6th Grade Science Study Guide
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Questions and Answers

What is the basic unit of matter?

  • Compounds
  • Elements
  • Atoms (correct)
  • Molecules

Which of the following describes a physical change?

  • Rust forming on iron
  • Melting of ice into water (correct)
  • Digesting food
  • Baking a cake

What is the formula for calculating density?

  • P = V/M
  • P = M + V
  • P = M/V (correct)
  • P = M - V

Which of the following is a pure substance?

<p>Sugar (A)</p> Signup and view all the answers

Which statement compares mass and weight correctly?

<p>Mass is the amount of matter, weight is affected by gravity. (B)</p> Signup and view all the answers

What distinguishes a mixture from a pure substance?

<p>A pure substance cannot be separated by physical means. (B)</p> Signup and view all the answers

Which of the following scenarios is an example of a chemical change?

<p>Burning paper (C)</p> Signup and view all the answers

When measuring volume, which method is suitable for irregular shaped solids?

<p>Submersing in water and measuring the displacement (D)</p> Signup and view all the answers

What is the effect on the volume of gas when the temperature increases while keeping pressure constant, according to Charles's Law?

<p>The volume increases. (B)</p> Signup and view all the answers

What two factors primarily affect kinetic energy?

<p>Mass and velocity. (A)</p> Signup and view all the answers

In the scenario where Train A has a mass of 300 kg and Train B has a mass of 295 kg, both traveling at 80 km/h, which train uses more kinetic energy?

<p>Train A. (C)</p> Signup and view all the answers

What are the correct units of measurement for work?

<p>Joules. (A)</p> Signup and view all the answers

If Rivan exerts a 13 N force moving an object 16 meters and Yasin exerts a 17 N force moving the same object 19 meters, who does more work?

<p>Yasin does more work. (C)</p> Signup and view all the answers

Which statement accurately describes a difference between homogeneous and heterogeneous mixtures?

<p>Homogeneous mixtures are uniformly mixed at the molecular level. (B)</p> Signup and view all the answers

What is the primary purpose of the water displacement method?

<p>To determine the volume of an irregular solid. (B)</p> Signup and view all the answers

Which of the following accurately defines a pure substance?

<p>A material composed of only one type of particle. (B)</p> Signup and view all the answers

What is the main factor that affects a change of state in matter?

<p>The pressure of the environment. (A)</p> Signup and view all the answers

How do particles behave in a solid compared to a gas?

<p>Particles in solids are tightly packed and vibrate in place. (A)</p> Signup and view all the answers

Which statement accurately depicts an example of a chemical change?

<p>Baking bread resulting in a different flavor and texture. (C)</p> Signup and view all the answers

According to gas laws, what happens to the volume of a gas if the pressure is decreased while temperature is held constant?

<p>The volume increases. (C)</p> Signup and view all the answers

Which of the following describes an inversely proportional relationship?

<p>An increase in one variable results in a decrease in another. (A)</p> Signup and view all the answers

Flashcards

What is energy?

Energy is the ability to do work or cause change.

What is work in physics?

Work is done when a force causes an object to move a certain distance.

What is kinetic energy?

Kinetic energy is the energy of motion. The faster an object moves, the more kinetic energy it has. It depends on mass and speed.

What is potential energy?

Potential energy is stored energy due to an object's position or state. It depends on mass and height.

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Which situation has more work done: Rivan (13 N, 16 meters) or Yasin (17 N, 19 meters)?

The work done is greater when the force exerted or the distance moved is greater. More work is done when Yasin exerted a 17 N force moving the object 19 meters.

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Atom

The smallest unit of matter that retains the properties of that element.

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Element

A substance made up of only one type of atom.

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Molecule

A group of two or more atoms held together by chemical bonds.

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Compound

A substance made up of two or more elements chemically combined in a fixed ratio.

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Physical Property

A characteristic of a substance that can be observed or measured without changing the substance's chemical composition.

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Chemical Property

A characteristic of a substance that describes how it reacts with other substances.

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Physical Change

A change in the form or appearance of a substance, but not its chemical composition.

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Chemical Change

A change in the chemical composition of a substance, resulting in the formation of a new substance.

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Homogeneous Mixture

A mixture in which the components are evenly distributed and appear as one substance.

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Heterogeneous Mixture

A mixture in which the components are not evenly distributed and can be easily identified.

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What is Matter?

Anything that occupies space and has mass.

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Pure Substance

A substance that cannot be broken down into simpler substances by physical means.

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Solid

A state of matter where particles are tightly packed and vibrate in fixed positions.

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Liquid

A state of matter where particles are close together but can move around; it takes the shape of its container.

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Study Notes

6th Grade Science Study Guide - Review Week

  • Exam Focus: The exam assesses understanding and application of concepts, not just memorization of the study guide examples.

  • Study Guide Purpose: Examples in the study guide are designed to help understand concepts and practice skills. Actual exam questions may differ.

  • Exam Goal: Demonstrate comprehension and application of the core concepts, not just rote memorization.

Topic 1: Introduction to Matter

  • Standard (MS-PS1-1): Develop models to describe the atomic composition of simple molecules and extended structures.

  • Lesson 1: Describing and Classifying Matter (Google Classroom - week 2, review slides, illustrations, Savvas Etext, worksheets)

    • Key Concepts: Describe what matter is composed of. Example: atoms, elements, molecules, and compounds.

  • Lesson 2: Measuring Matter (Google Classroom - week 4, 5, & 6, review slides, illustrations, notebooks, Savvas Etext, worksheets)

    • Key Concepts: Identify properties of matter (mass, weight, volume, density)
    • Compare and contrast mass and weight.
    • Calculate mass, volume, weight, and density.
    • Calculate the volume of regular and irregular solids.
    • Calculate density using the formula P = M/V

  • Lesson 3: Changes in Matter (Google Classroom - week 6, review slides, charts, illustrations, Savvas Etext, notebook, worksheets)

    • Key Concepts: Differentiate between physical and chemical changes. Analyze and interpret scenarios to determine if a change is physical or chemical.

Topic 2: Solid, Liquid, and Gas

  • Standard (MS-PS1-4): Develop a model that predicts and describes changes in particle motion, temperature, and state of a pure substance when thermal energy is added or removed.

  • Lesson 1: States of Matter (Google Classroom - week 7& 8; review slides, illustrations, Savvas Etext, notebooks, worksheets)

    • Key Concepts: Explain similarities and differences between solids, liquids, and gases.
    • Demonstrate how particle arrangement and movement compare in these states. Explain the relationship between particle motion and state of matter.

  • Lesson 2: Changes of State (Google Classroom - week 9, review - slides, illustrations, and worksheets)

    • Key Concepts: Describe what happens to particles during changes of state (solid, liquid, gas).
    • Identify the main factor affecting state changes—thermal energy.
    • Describe particle behavior as thermal energy increases (speed/motion).

  • Lesson 3: Gas Behavior (Google Classroom - week 10, review - slides, illustrations, and worksheets)

    • Key Concepts: Differentiate between Boyle's, Charles and Lussac's gas laws.
    • Describe the relationships between pressure and volume in gases.
    • Understand inversely proportional relationships (pressure and volume).
    • Understand directly proportional relationships (temperature and volume).
    • Describe the relationship between temperature and pressure in gases.

Topic 3: Energy

  • Standard (MS-PS3-1): Construct and interpret graphical displays of data to describe the relationships of kinetic energy to the mass of an object and to the speed of an object.

  • Lesson 1: Energy, Motion, Force and Work (Google Classroom - week 10& 11, review slides, illustrations, and worksheets)

    • Key Concepts: Define energy, motion, force, and work.
    • Explain the relationship between energy, motion, and force.
    • Calculate work done.

  • Lesson 2: Kinetic Energy and Potential Energy (Google Classroom - week 13 & 14, review - slides, illustrations, and worksheets)

    • Key Concepts: Define kinetic and potential energy.
    • Describe factors affecting kinetic and potential energy.
    • Calculate kinetic and potential energy.

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Related Documents

Gr 6 Science Semester 1 Exam Study Guide, Jan 2025 PDF

Description

Prepare for your 6th grade science exam with this comprehensive study guide. Focus on understanding the atomic composition of matter, including atoms, elements, and molecules. The guide emphasizes comprehension and application of core concepts rather than rote memorization.

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