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Questions and Answers
What is an organism's occupation?
What is an organism's occupation?
Niche
What are the non-living components of an ecosystem?
What are the non-living components of an ecosystem?
Abiotic factors
What is the definition of "atomic structure"?
What is the definition of "atomic structure"?
The arrangement of atoms within a substance
What happens to strain when the load or applied stress is removed and the strain returns to its original state?
What happens to strain when the load or applied stress is removed and the strain returns to its original state?
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What are the elements that have properties intermediate between metals and nonmetals?
What are the elements that have properties intermediate between metals and nonmetals?
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What occurs when a substance is transformed into other substances with a totally different composition and properties?
What occurs when a substance is transformed into other substances with a totally different composition and properties?
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What is the definition of a homogeneous material?
What is the definition of a homogeneous material?
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What are the fundamental building blocks of all matter?
What are the fundamental building blocks of all matter?
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What is the common unit used to indicate the mass of a particle?
What is the common unit used to indicate the mass of a particle?
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What is the basic repeating unit in a polymer called?
What is the basic repeating unit in a polymer called?
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What is formed when a pair of electrons are shared between atoms?
What is formed when a pair of electrons are shared between atoms?
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How many atoms are there in the unit cell of BCC?
How many atoms are there in the unit cell of BCC?
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What are the two metals commonly used to designate an alloy of "brass"?
What are the two metals commonly used to designate an alloy of "brass"?
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What is widely used as a light metal?
What is widely used as a light metal?
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What element improves the strength and fatigue properties of copper?
What element improves the strength and fatigue properties of copper?
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What is the silicate mineral that exhibits fibrous structure and fire resistance?
What is the silicate mineral that exhibits fibrous structure and fire resistance?
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What is another name for a herbivore?
What is another name for a herbivore?
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What is a group of living organisms of the same kind living in the same place and at the same time called?
What is a group of living organisms of the same kind living in the same place and at the same time called?
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What does the term "true end of any food chain" refer to?
What does the term "true end of any food chain" refer to?
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What are the different cycles in the environment such as nitrogen, oxygen, water, sulfur and phosphorus called?
What are the different cycles in the environment such as nitrogen, oxygen, water, sulfur and phosphorus called?
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What is the process during which the temperature remains constant called?
What is the process during which the temperature remains constant called?
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What is the process where no heat transfer in or out of the system occurs called?
What is the process where no heat transfer in or out of the system occurs called?
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What are the standard temperature and pressure?
What are the standard temperature and pressure?
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What is the term for heat flow into a system? What is the term for heat flow out of the system?
What is the term for heat flow into a system? What is the term for heat flow out of the system?
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What are the enthalpy and internal energy a function of?
What are the enthalpy and internal energy a function of?
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When work is dissipated into internal energy, what is the change in the disorderly motion of molecules?
When work is dissipated into internal energy, what is the change in the disorderly motion of molecules?
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What is the Atomic Packing factor of Face centered Cubic?
What is the Atomic Packing factor of Face centered Cubic?
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What is the crucial aspect of materials science and engineering?
What is the crucial aspect of materials science and engineering?
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Which material property describes a material's ability to return to its original shape after deformation?
Which material property describes a material's ability to return to its original shape after deformation?
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What is the most common semiconductor material used in electronic devices?
What is the most common semiconductor material used in electronic devices?
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What property describes a material's resistance to fracture when subjected to a sudden impact?
What property describes a material's resistance to fracture when subjected to a sudden impact?
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What alloy is composed of zinc and copper?
What alloy is composed of zinc and copper?
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What material property describes the material's ability to conduct heat?
What material property describes the material's ability to conduct heat?
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What property is measured by a material's resistance to indentation or scratching?
What property is measured by a material's resistance to indentation or scratching?
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What is the term for the process of converting waste materials into reusable materials?
What is the term for the process of converting waste materials into reusable materials?
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Which air pollutant is known to cause respiratory problems and is commonly emitted by vehicles?
Which air pollutant is known to cause respiratory problems and is commonly emitted by vehicles?
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What is generated during anaerobic digestion when microorganisms break down (eat) organic materials in the absence of air (or oxygen)?
What is generated during anaerobic digestion when microorganisms break down (eat) organic materials in the absence of air (or oxygen)?
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What is the renewable energy source that harnesses energy from the Earth's internal heat?
What is the renewable energy source that harnesses energy from the Earth's internal heat?
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Which law describes the relationship between the electric field, electric charge, and distance?
Which law describes the relationship between the electric field, electric charge, and distance?
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Which electromagnetic wave is used for long-distance communication, such as AM and FM radio?
Which electromagnetic wave is used for long-distance communication, such as AM and FM radio?
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Which law describes the relationship between the current, voltage, and resistance in an electrical circuit? Which electromagnetic wave has the shortest wavelength?
Which law describes the relationship between the current, voltage, and resistance in an electrical circuit? Which electromagnetic wave has the shortest wavelength?
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Which phenomenon occurs when an electromagnetic wave changes direction as it passes from one medium to another?
Which phenomenon occurs when an electromagnetic wave changes direction as it passes from one medium to another?
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Which component of an electromagnetic wave is responsible for generating a magnetic field?
Which component of an electromagnetic wave is responsible for generating a magnetic field?
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Study Notes
Organisms and Ecosystems
- An organism's occupation is its role in an ecosystem
- Non-living components of an ecosystem include air, water, etc.
- Atom arrangement description is a detailed view of atoms
- Strain is temporary deformation; if it disappears after the load is removed, it's reversible
- Elements with properties between metals and nonmetals are intermediate
- Conversion of substance into another with a different composition and properties involves transformation
Cycles and Processes
- Herbivore is an animal that eats plants
- Group of organisms of the same kind, in the same place, and time is a population
- Food chain's terminal point ends with a consumer
- Environmental cycles like Nitrogen, Oxygen, Water, Sulfur, and Phosphorus are important
- Constant temperature processes have no heat transfer (adiabatic)
- The standard pressure and temperature to quantify conditions is 1 atm and 25°C.
- Heat flow into a system is positive, and heat flow out is negative
- The enthalpy and internal energy depend on the temperature
- Work dissipated into internal energy changes the haphazard motion of molecules
Materials and Properties
- The common unit for particle mass is the "unit"
- Repeated unit in a polymer is called monomer
- Sharing electrons between atoms is the basis of chemical bonds
- Body-centered cubic (BCC) unit cells have 2 atoms
- Brass is an alloy of copper and zinc
- Light metals like aluminum are widely used
- Copper strength and fatigue are improved by some silicates
- Silicate has characteristic properties of fibrous structure and fire resistance, thus, it is fire proof
Materials Science and Engineering
- The Atomic Packing Factor (APF) is crucial to materials engineering
- Evaluating and analyzing properties of materials ensures they meet certain standards and specifications
- Material's ability to return to shape after deformation is elasticity
Electronic Devices and Properties
- Silicon is a common semiconductor in electronic devices
- Fracture resistance is a material ability to withstand sudden impact
- Zinc and copper alloys make brass
- Heat conductivity is a material property
- Indentation resistance is a measure of hardness
- Waste conversion to reusable materials is recycling
- Air pollutants cause respiratory problems; some vehicle emissions include these
- Anaerobic digestion generates energy without oxygen
- Geothermal energy uses Earth's internal heat
- Electric field, charge, distance relationships are defined in Coulomb’s law
- Radio waves like AM and FM are used for long-distance communications
- Ohm's law relates current, voltage, and resistance
General
- Electromagnetic waves change direction when passing between mediums (refraction)
- An electromagnetic wave's component generating a magnetic field is the electric field
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