January BIG OLD Practice Exam Biology PDF

## January BIG OLD Practice Exam ### Multiple Choice Section 1: BIOLOGY **Please circle the BEST answer to the following questions.** 1. In an animal cell, the genetic material is found in the: - Rough endoplasmic reticulum - Cytoskeleton - **Nucleus** - Vacuole 2. Organelles that...

## January BIG OLD Practice Exam ### Multiple Choice Section 1: BIOLOGY **Please circle the BEST answer to the following questions.** 1. In an animal cell, the genetic material is found in the: - Rough endoplasmic reticulum - Cytoskeleton - **Nucleus** - Vacuole 2. Organelles that digest waste molecules or food particles are known as: - Lysosomes - Centrioles - Ribosomes - Golgi Bodies 3. Which cell organelle is responsible for making proteins? - **Ribosomes** - Cytoplasm - Nucleolus - Lysosomes 4. Prokaryotes have the following organelles except: - Cell Wall - Cytoplasm - **Endoplasmic Reticulum** - Ribosomes 5. What is the main function of the cell wall? - Build proteins - Convert sunlight into sugars - **To protect and provide support** - To transport materials out of the cell 6. Converts light energy from the sun into sugars that can be used by the cell for the energy process called photosynthesis. - Mitochondria - **Chloroplasts** - Endoplasmic Reticulum - Centrioles 7. This organelle aids in movement. Its function is to help the cell swim. - **Flagella** - Cilia - Pili - Tail 8. In a prokaryotic cell DNA is contained in: - Nucleus - **Nucleoid** - Plasmid - **Both (b) and (c)** 9. What kind of cell is in this figure: - **Plant** - Animal - Bacteria - Amoeba 10. The green pigment that captures light energy from the sun: - Amyloplasts - Plasma - **Chlorophyll** - None of the above 11. The process of producing gametes is called - Mitosis - **Meiosis** - Reproduction - Fertilization 12. In sexual reproduction, the gametes from two parents combine during a process called - **Fertilization** - Meiosis - Mitosis - Replication 13. These are double stranded carriers of genetic material - Organelles - Mitosis - **Chromosomes** - Centromeres 14. What is the process of producing new body cells - **Mitosis** - Meiosis - Reproduction - Fertilization 15. How does plant fertilization occur? - Wind - Water currents - Animals - **All of the above** 16. Which of the following would be produced by meiosis? - A skin cell - A eye cell - A heart cell - **A sperm cell** 17. What statement is true about sexual reproduction? - Only one parent is required - Less energy is required for asexual reproduction - **Genetic variation increases** - Reproduction occurs via mitosis 18. The idea of spontaneous generation states that: - Living things come from other living things - **Living things come from other non-living things** - Non-living things come from other non-living things - Non-living things come from living things 19. Reproduction is: - Breathing - Making new cells - Forming offspring - **Both (b) and (c)** 20. All living things reproduce: - **Their own kind** - Plants - Animals - New species 21. New organisms produced by living things are called: - Buds - Branches - **Offspring** - Young 22. Cells reproduce by: - Chromosomes - **Cell division** - Daughter cells - Making RNA 23. Fine threads of DNA found in the nucleus are called: - Cilia - Vacuoles - **Chromatin** - Chromosomes 24. New cells formed by cell division are called: - **Daughter cells** - Parent cells - Adult cells - Sex cells 25. Asexual reproduction needs: - No parents - **One parent** - Two parents - Three parents 26. The repeating monomer that makes up a DNA molecule is called a(n): - Amino acid - Gene - **Nucleotide** - Deoxyribose 27. In a DNA molecule, adenine will bond with: - Cytosine - Guanine - **Thymine** - Uracil 28. The sides of the ladder on a DNA molecule are made with: - Two nitrogenous bases - Nitrogenous base and phosphate - Nitrogenous base and sugar - **Phosphate and sugar** 29. RNA is an important molecule in the cell because it - carries information from one generation to the next - carries information from the cell to the rest of the body - carries information from the ribosome to the nucleus - **carries information from the nucleus to the cytoplasm** 30. If one side of a DNA molecule had the base sequence ACGTTGACT, the order of the bases on the other side of the strand would be - ACGTTGACT - **TGCAACTGA** - GTACCAGTC - CGCAAСTA 31. The three stages of the cell cycle in order are: - Interphase, cytokinesis, and mitosis - Interphase, replication, cytokinesis - Cytokinesis, replication, interphase - **Cytokinesis, interphase, mitosis** 32. Which event in prophase of mitosis is incorrect? - The nucleolus disappears - **Centromeres pull apart** - Spindle fibres form - Individual chromosomes condense 33. How does the cell cycle differ in plants and animals? - In plants, the daughter cells are not identical to the parents - **In plants, the cell plate forms between daughter cells** - In plants, the chromosomes do not duplicate in interphase - In plants, the centrioles move to opposite poles of the cell 34. What anchors the spindle fibers in an animal cell during mitosis? - DNA - Chromosome - **Centromere** - Centrioles 35. If one cell divided every hour, how many cells would there be after eight hours? - 16 - 32 - 64 - **256** 36. Amoebas reproduce by: - Budding - **Mitotic cell division** - Spores - Sexual reproduction 37. The two daughter cells formed by binary fission are: - Different sizes, but the same shape - Different sizes and different shapes - **The same size and the same shape** - The same size and different shapes 38. An organism that reproduces by budding is: - Ameoba - Fungus - Paramecium - **Yeast** 39. Budding produces two cells of: - Different colors - Different DNA - Different sizes - **Different species** 40. Cells of reproduction in molds are: - Seeds - **Spores** - Buds - Eggs 41. Regeneration of lost parts can take place in: - All animals - **Some animals** - Animals with a brain - No animals 42. The possibility of regeneration in humans is: - Absent - **Very small and specific to body tissues** - Very small in all body tissues - Great 43. They are small structures made of RNA and proteins found in the cytoplasm and on the endoplasmic reticulum - **Ribosomes** - Lysosomes - Chromosomes - Amyloplasts 44. They are used with spindle apparatus during mitosis - Nuclear membrane - Nucleolus - Mitochondria - **Centrioles** 45. The site where ribosomes are made: - Nucleus - **Nucleolus** - Nuclear Membrane - Nucleic Acid 46. Hairlike projections that aid in cell movement: - Cytoskeleton - Microtubules - Flagella - **Cilia** 47. The jelly-like material that is enclosed by a cell membrane is the: - Vacuole - Cholesterol - **Cytoplasm** - Nucleoplasm 48. The organelle that transforms energy for all eukaryotic cells - Nucleus - **Mitochondria** - Chloroplast - Starch granules 49. This organelle breaks down food, digests wastes and warn out cell parts: - **Lysosome** - Golgi Appratus - Stomach - Intestine 50. Provides structure and support for the cell - Microfilaments - Microtubules - **Both (a) and (b)** - Neither (a) or (b) 51. A unicellular organism that lacks a nucleus - **Prokaryote** - Eukaryote - Amoeba - Lion 52. This animal reproduces via binary fission - **Amoeba** - Bacteria - Plant - Zebra 53. Reproduction of molds is called: - Budding - Binary fission - Vegetative propagation - **Sporulation** 54. Molds get their energy from: - Spores - **The food they grow on** - Chlorophyll - Molds don't need energy 55. Cells of reproduction in molds are called - **Spores** - Buds - Eggs - Grafts 56. Roots and tubers come from different types of plant: - Cells - **Organs** - Flowers - Seeds 57. Strawberry plants reproduce: - Asexually by layering runners - Sexually with their flowers - Neither (a) or (b) - Both (a) and (b) 58. A kind of asexual reproduction in plants is called - Binary Fission - Spontaneous generation - Vegetable planting - **Vegetative propagation** 59. Takes place immidiately after mitosis - Prophase 1 - Telophase - Interphase - **Cytokinesis** 60. The process during which the nucleus of a cell is divided into two nuclei is called - Fertilization - **Mitosis** - Meiosis - Budding 61. Cell structures made of individual microtubule fibers that are involved in moving chromosomes during cell division are called - Anthers - Centrioles - Centromeres - **Spindles** 62. Sister chromatids are - Genetically differentiated - Dense patches inside the nuclear membrane - Bacterial chromosomes - **Joined strands of duplicated genetic material** 63. A possible reason for aging is that - Mitosis stops occuring as often as we get older until it stops - Cells are replaced faster so their quality is not as good - Cells are replaced slower, so they have much better quality - **Cells are either not replaced or replaced more slowly** 64. Cancer is caused by - Body cells reproducing slower than normal - **Mutated cells failing to reproduce** - Body cells or mutated cells reproducing quickly - Organelles doing the incorrect jobs in our cells 65. Cells in the human body - All have the same life span - **Preform different functions of life** - Both (a) and (b) - None of the above 66. The make-up of an organism is in the following order - **Cells, tissues, organs, organ systems, organism** - Cells, organs, tissues, organ systems, organism - Tissues, cells, organs, organ systems, organism - Tissues, organ systems, organs, organisms, cells 67. The following are components of cell theory except - All living organisms are composed of one or more cells - Cells are the basic unit of structure and function in all organisms - **The activity of an organism does not depend on its cells.** - All cells come from pre-existing cells 68. When a parent produces a smaller version of itself and it either detaches or stays attached and forms a colony. - Binary Fission - **Budding** - Spores - None of the above 69. Ferns use this asexual reproduction method to reproduce. - Binary Fission - Budding - **Spores** - None of the above 70. The following are all disadvantages of asexual reproduction EXCEPT: - Offspring are all clones so a disease can harm a whole colony. - Extreme temperatures can wipe out entire colonies. - Only one organism is needed - **Offspring must compete for resources like food and space.** 71. When pollen lands on the stigma of a flower from a different plant it is called: - Fertilization - Implantation - Self-Pollination - **Cross-Pollination** 72. Where does fertilization take place in the human body? - Ovary - Uterus - **Fallopian Tube** - Pollen Tube 73. What phase of meiosis is shown in the diagram below? - Prophase I - **Metaphase I** - Prophase II - Metaphase II 74. What phase of meiosis is shown in the diagram below? - Prophase I - **Metaphase I** - Prophase II - Metaphase II 75. The pistil is best described as: - The male part of the flower; composed of the stigma, style and ovule - **The female part of the flower; composed of the stigma, style and ovule** - The male part of the flower; composed of the anther and filament - The female part of the flower; composed of the anther and filament 76. For a plant to sexually reproduce it must: - **create a seed** - create a spore - produce a runner - give nectar to a bee 77. The following happens in the process of fertilization in humans except. - The head of the sperm breaks down the cell membrane of the egg - The cell membrane of the egg and sperm fuse - The eggs cell membrane becomes hard, so no other sperm enter - **The nucleus of the egg and sperm combine to make a haploid nucleus that forms a zygote.** 78. Which organelle is responsible for producing energy in the form of ATP? - Nucleus - **Mitochondria** - Ribosome - Golgi Apparatus 79. What is the primary function of ribosomes in a cell? - Transporting materials - **Synthesizing proteins** - Storing Genetic Information - Breaking down waste 80. Which organelle modifies, sorts, and packages proteins for secretion? - Endoplasmic reticulum - Lysosome - **Golgi apparatus** - Chloroplast ### Multiple Choice Section 2: CHEMISTRY **Please circle the BEST answer to the following questions.** 1. All of the following are examples of physical properties EXCEPT: - Hardness - Color - **Corrosion** - Malleability 2. A pure substance is analyzed and found to contain carbon and oxygen. The substance is most likely a(n): - Mixture - Element - **Compound** - Solution 3. All of the following are found in a nucleus EXCEPT: - Protons - Neutrons - **Electrons** - A and B 4. What is matter? - Anything that has color and temperature - **Anything that has mass and takes up space** - Only liquids and gases - Only solids 5. The ability of a substance to be hammered into thin sheets is known as: - Ductility - Conductivity - Brittleness - **Malleability** 6. Which state of matter has a definite shape and volume? - **Solid** - Liquid - Gas - Plasma 7. The measure of the amount of matter in an object is called: - Volume - Density - **Mass** - Hardness 8. What property describes the amount of space an object occupies? - **Volume** - Density - Mass - Hardness 9. What type of change occurs when a substance changes its state of matter? - **Physical change** - Chemical change - Nuclear change - Combustion 10. A chemical property of matter includes: - Color - Melting point - **Reactivity with oxygen** - Density 11. What is the term for matter packed into a given volume? - Weight - **Density** - Mass - Volume 12. Which of these is NOT a characteristic of gases? - Definite shape - Easily compressible - Expands to fill its container - **Particles move freely** 13. Solubility is a property that refers to a substance's ability to: - Conduct electricity - **Dissolve in another substance** - Absorb heat - Be stretched 14. The ability of a material to allow heat or electricity to flow through it is called: - Elasticity - **Conductivity** - Solubility - Malleability 15. Which phase of matter has particles that are tightly packed but can still flow past one another? - Solid - **Liquid** - Gas - Plasma 16. When water boils it changes from a: - **A liquid to a gas** - A solid to a liquid - A gas to a liquid - A gas to a solid 17. When metals like gold melt they change from a: - A liquid to a gas - **A solid to a liquid** - A gas to a liquid - A gas to a solid 18. The ability of a substance to be drawn into wires is called - Malleability - Conductivity - **Ductility** - Brittleness 19. Which of the following represents a chemical change? - Ice melting - **Iron rusting** - Water boiling - Sugar dissolving 20. Which of these is an example of a physical property? - Flammability - Reactivity with acid - **Boiling point** - Combustion 21. A liquid changing into a solid is called: - Condensation - Deposition - Sublimation - **Freezing** 22. Changing gas into a liquid is called: - **Condensation** - Deposition - Sublimation - Freezing 23. Which of the following is NOT a physical change? - Cutting paper - Melting ice - Burning wood - **Dissolving sugar in water** 24. The smallest unit of matter is called: - An element - A molecule - **An atom** - A particle 25. What happens to the particles in a substance as it is heated? - They slow down - **They move faster** - They stay the same - They contract 26. The boiling point of a substance is an example of: - A chemical property - **A physical property** - A chemical change - A reaction 27. Which term describes the ability of a substance to be stretched into a thin wire? - Conductivity - **Ductility** - Malleability - Solubility 28. Which of the following describes a chemical change? - A change in size or shape - **A change that produces a new substance** - A change in state of matter - A change that can be easily reversed 29. What property is used to measure the resistance of a fluid to flow? - Density - **Viscosity** - Solubility - Elasticity 30. Which of the following is a measure of how much matter is in a given volume? - Mass - Weight - **Density** - Temperature 31. Which of the following is an example of a chemical property? - Density - Melting point - Reactivity with water - **Boiling point** 32. Which of these describes a physical change? - Rust forming on iron - Sugar dissolving in water - Wood burning - Silver tarnishing 33. Which of the following represents a physical property? - Flammability - Reactivity with acid - **Conductivity** - Ability to combust 34. The ability of a metal to react with oxygen and form rust is a: - Physical property - **Chemical property** - Extensive property - Malleability 35. Which of the following is an example of a chemical change? - Ice melting - Water boiling - Milk souring - **Salt dissolving in water** 36. The ability to stretch rubber without breaking is an example of: - Ductility - **Elasticity** - Flammability - Solubility 37. What is an example of a physical property of water? - Reacts with sodium - **Freezes at 0°C** - Combines with oxygen - Produces hydrogen gas when reacting with zinc 38. Which of the following is NOT a chemical property? - **Color change** - Ability to rust - Boiling point - Flammability 39. Which of the following is an example of a physical change? - Baking a cake - Iron rusting - Chopping wood - Burning paper 40. Which property indicates a substance's ability to burn in the presence of oxygen? - Reactivity - **Flammability** - Density - Solubility 41. Which of the following is an example of a quantitative property? - Color - **Density** - Odor - Texture 42. A qualitative property of a substance includes: - Mass - Volume - **Shape** - Temperature 43. Which of the following best describes a quantitative observation? - The substance is red. - **The liquid has a mass of 50 grams.** - The object feels smooth. - The gas smells like rotten eggs. 44. Which of these properties is qualitative? - Melting point of 100°C - Boiling point of 212°F - **Sweet taste** - Weight of 5 kg 45. Which is NOT an example of a qualitative property? - Hardness - Color - **Length** - Odor 46. Quantitative properties are best described as properties that: - Use descriptive terms - **Involve numbers and measurements** - Can only be observed by changing the substance - Are subjective 47. The measurement "500 mL of water" represents a: - Qualitative property - Chemical property - **Quantitative property** - Physical property 48. Which example demonstrates a qualitative observation? - The rock weighs 2 kg. - **The liquid is blue.** - The temperature is 25°C. - The length is 10 meters. 49. Identifying a substance by its smell is an example of a: - Chemical property - Quantitative observation - **Qualitative property** - Extensive property 50. Which of the following is a quantitative property of matter? - Hardness - **Density** - Roughness - Sweetness ### Fill in the Blank Section 1: BIOLOGY **On the exam you will have a word bank, but on the review, I expect you to go through your notes to find answers.** 1. The cell theory states that all living things are made up of one or more **cells**. 2. According to cell theory, the **cell** is the basic unit of structure and function in living organisms. 3. The third principle of cell theory states that all cells come from **pre-existing cells**. 4. The **nucleus** is a membrane-bound structure that contains the genetic material of eukaryotic cells. 5. The **cell membrane** controls what enters and exits the cell and provides protection and support. 6. **Mitochondria** are the organelles responsible for producing energy in the form of ATP through cellular respiration. 7. The **ribosome** is responsible for protein synthesis and can be found either floating in the cytoplasm or attached to the endoplasmic reticulum. 8. The **smooth endoplasmic reticulum** is involved in the synthesis of lipids, while the **rough endoplasmic reticulum** is involved in protein synthesis. 9. The **cytoplasm** is a gel-like substance inside the cell that holds the organelles in place. 10. In plant cells, the **chloroplast** is the organelle responsible for photosynthesis, allowing the cell to convert sunlight into chemical energy. 11. The **vacuole** stores water, nutrients, and waste in plant cells and is typically much larger than in animal cells. 12. The **cell wall** is a rigid structure that provides support and protection in plant cells but is not found in animal cells. 13. Lysosomes contain **enzymes** that break down waste materials and cellular debris. 14. **Cilia** are hair-like structures on the surface of some cells that help with movement, while **flagella** are whip-like structures that aid in cell propulsion. 15. Prokaryotic cells do not have a **nucleus**, unlike eukaryotic cells. 16. The genetic material in prokaryotic cells is found in a region called the **nucleoid** rather than within a membrane-bound nucleus. 17. The **ribosomes** in prokaryotic cells are smaller than those in eukaryotic cells and are responsible for protein synthesis. 18. Some prokaryotic cells have a protective outer layer called a **slime capsule** that helps them survive harsh environments. 19. The **flagella** is a long, whip-like structure used for movement in many prokaryotic cells. 20. Prokaryotic cells reproduce asexually through a process called **binary fission**. 21. DNA stands for **deoxyribonucleic acid**. 22. The building blocks (monomers) of DNA are called **nucleotides**. 23. Each nucleotide is made up of three components: a phosphate group, a deoxyribose sugar, and a **nitrogenous base**. 24. The sugar found in DNA is called **deoxyribose**. 25. The four nitrogenous bases in DNA are **Adenine, Thymine, Cytosine, and Guanine**. 26. In DNA, adenine (A) pairs with **Thymine** (T), and cytosine (C) pairs with **Guanine** (G). 27. The shape of the DNA molecule is described as a **double helix**. 28. The nitrogenous bases are held together by **hydrogen bonds**. 29. The backbone of the DNA molecule is made up of alternating **sugar** and **phosphate** molecules. 30. A **gene** is a segment of DNA that codes for a specific protein. 31. The process of copying DNA before cell division is called **replication**. 32. **Mitosis** is the process by which a cell divides its DNA to produce two identical daughter cells. 33. Mitosis is important for **growth, development, and repair** in multicellular organisms. 34. The cell cycle consists of interphase, **mitosis**, and cytokinesis. 35. During interphase, the cell grows and duplicates its **DNA** in preparation for division. 36. The first phase of mitosis is **prophase**, during which the chromatin condenses into visible chromosomes. 37. The structure that helps separate chromosomes during mitosis is called the **spindle fibers**. 38. During metaphase, chromosomes line up at the **middle** of the cell. 39. In anaphase, sister chromatids are pulled apart to **opposite ends** of the cell. 40. The final phase of mitosis is **telophase**, during which a nuclear membrane forms around each set of chromosomes. 41. The division of the cytoplasm at the end of mitosis is called **cytokinesis**. 42. The structure that forms in plant cells during cytokinesis is called the **cell plate**. 43. In animal cells, a **cytoskeleton ring** pinches the cell in half during cytokinesis. 44. The identical copies of chromosomes that are connected by a centromere are called **sister chromatids**. 45. The region where sister chromatids are attached is called the **centromere**. 46. Cells produced by mitosis are **copies** of the original parent cell in terms of genetic information. 47. Asexual reproduction is a type of reproduction involving only **one** parent. 48. In asexual reproduction, offspring are **genetically identical** to the parent. 49. Asexual reproduction is common in **unicellular organisms** such as bacteria. 50. In asexual reproduction, offspring are produced without the fusion of gametes. 51. **Binary fission** is a type of asexual reproduction where a single organism splits into two identical daughter cells. 52. **Budding** is a form of asexual reproduction in which an organism produces a new individual from a small projection on its body. 53. **Fragmentation** is a type of asexual reproduction where an organism breaks into fragments, and each fragment can grow into a new organism. 54. **Vegetative reproduction** is a form of asexual reproduction where offspring grow from a part of the parent, common in plants like potatoes and strawberries. 55. **Budding** is the type of asexual reproduction commonly used by yeast. 56. In asexual reproduction, the process that bacteria use to divide is called **binary fission**. 57. **Asexual** reproduction typically requires less energy and allows rapid population growth compared to sexual reproduction. 58. A disadvantage of asexual reproduction is the lack of genetic **variation** which can make populations more vulnerable to environmental changes. 59. Sexual reproduction involves the fusion of two gametes, one from each parent. 60. The male gamete is called a **sperm**, and the female gamete is called an **egg**. 61. The process by which male and female gametes combine is known as **fertilization**. 62. A **zygote** is a fertilized egg formed after the fusion of gametes. 63. Sexual reproduction produces offspring that are **genetically different** from their parents. 64. The type of cell division that produces gametes is called **meiosis**. 65. Meiosis reduces the chromosome number by **half**, producing haploid cells. 66. Cells with a full set of chromosomes are called **diploid** cells, while cells with half the chromosome number are **haploid** cells. 67. In meiosis I, homologous chromosomes are separated, while in meiosis II, **sister chromatids** are separated. 68. The exchange of genetic material between homologous chromosomes during prophase I is called **crossing over**. 69. Crossing over increases genetic **variation** among offspring. 70. In meiosis, the stage where homologous chromosomes line up in the middle of the cell is called **metaphase I**. 71. At the end of meiosis I, **two** daughter cells are formed, each with half the original chromosome number. 72. The result of meiosis II is **four** haploid cells. 73. Unlike mitosis, meiosis produces cells that are **genetically different** from each other and the parent cell. 74. Sexual reproduction provides greater genetic **variation**, which helps populations adapt to changing environments. 75. The female part of the flower is called the **pistil**, and it has three parts: **stigma, style, ovary**. ### Fill in the Blank Section 2: CHEMISTRY **On the exam you will have a word bank, but on the review, I expect you to go through your notes to find answers.** 1. Matter is anything that has **mass** and takes up **space**. 2. The three common states of matter are **solid, liquid, and gas**. 3. A **solid** has a definite shape and volume. 4. A **liquid** has a definite volume but takes the shape of its container. 5. A **gas** does not have a definite shape or volume. 6. The amount of matter in an object is called its **mass**. 7. The amount of space an object occupies is its **volume**. 8. A **physical property** is one that can be observed without changing the substance's chemical composition. 9. Examples of physical properties include **color, hardness, and texture**. 10. **Chemical property** describes a substance's ability to undergo a specific chemical change. 11. Flammability and reactivity are examples of **chemical properties**. 12. The process by which a solid changes into a liquid is called **melting**. 13. The temperature at which a substance changes from a solid to a liquid is called its **melting point**. 14. The temperature at which a liquid changes to a gas is its **boiling point**. 15. A **physical change** affects the form of a substance but does not change its identity. 16. A **chemical change** results in the formation of one or more new substances. 17. Solubility is the ability of a substance to **dissolve** in another substance. 18. A **qualitative** observation is descriptive and does not involve numbers or measurements. 19. A **quantitative** observation includes numbers and measurements. 20. "The liquid is blue" is an example of a **qualitative** observation. 21. "The mass of the object is 12 grams" is an example of a **quantitative** observation. 22. Qualitative observations describe properties such as **color, shape, and odor**. 23. Quantitative observations use units such as **meter, gram, and liter**. 24. Recording the temperature as 100°C is a **quantitative** observation, while stating that the substance is hot is a **qualitative** observation. 25. Melting ice into water is an example of a **physical** change. 26. Burning wood to form ash and smoke is an example of a **chemical** change. 27. The rusting of iron is a **chemical** change because a new substance, iron oxide, is formed. 28. Dissolving sugar in water is a **physical** change because no new substance is created. 29. The ability of a substance to dissolve in water is an example of a **physical** property. 30. The process of water freezing into ice is a **physical** change. 31. The ability of a substance to react with oxygen, such as iron rusting, is a **chemical** property. 32. Cutting a piece of paper into smaller pieces is a **physical** change. 33. Frying an egg is an example of a **chemical** change because new substances are formed. 34. Blow drying your wet hair is an example of a **physical** change. 35. The physical property associated with the shininess of a substance is called **luster**. ### Matching Section 1: BIOLOGY **Please place the letter that corresponds to each statement beside the person that matches.** Word: - **M** replication - **H** Zacharias Janssen - **F** Robert Hooke - **C** fragmentation - **B** Anton van Leewenhoek - **S** cytokinesis - **D** Matthias Schleiden - **A** Prophase - **J** Theodore Schwann - **NO ANSWER** - **G** mitosis - **Y** Rosalind Franklin Description: - **A**. Chromosomes become visible - **B**. This scientist was the first to see living microscopic organisms he called "animacules." - **C