7th-T1 L3: Vocab Quiz

What is a physical change?

• a change that alters the form or appearance of a material but does not make the material into another substance

• a change in which one or more substances combine or break apart to form new substances

• the practice of using less of a resources so that it can last longer

Which shows a physical change?

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What is a chemical change?

• a change that alters the form or appearance of a material but does not make the material into another substance

• a change in which one or more substances combine or break apart to form new substances

• the practice of using less of a resources so that it can last longer

Which shows a chemical change?

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What is conservation?

• a change that alters the form or appearance of a material but does not make the material into another substance

• a change in which one or more substances combine or break apart to form new substances

• the practice of using less of a resources so that it can last longer

What is thermal energy?

• the total energy of the motion of all of the particles in an object

• a change in which one or more substances combine or break apart to form new substances

• the practice of using less of a resources so that it can last longer

Which shows thermal energy?

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What is the law of conservation of mass?

• the total energy of the motion of all of the particles in an object

• matter is not created or destroyed in any chemical or physical change

• the practice of using less of a resources so that it can last longer

Which shows the law of conservation of mass?

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What is temperature?

• the total energy of the motion of all of the particles in an object

• matter is not created or destroyed in any chemical or physical change

• the measure of hot or cold something is and the motion and energy of the particles in the matter