| Question | Answer |
| 1) Physical or Chemical change: Frost forming on grass | physical
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2) Matter is anything that has __________ and takes up __________. | mass, space
| 3) Physical or Chemical change: Popping popcorn in the microwave | chemical
| 4) True or False: Mass is the amount of matter in an object | True
| 5) Physical or Chemical change: Sharpening a pencil | physical
| 6) Physical or Chemical change: An apple rotting on the counter | chemical
| 7) What is the difference between a heterogeneous mixture and a homogeneous mixture? | in a heterogeneous mixture, the parts are noticeably different from one another and in a homogeneous mixture the substances are so evenly distributed that it is difficult to distinguish one substance from another
| 8) What are the two types of mixtures? | heterogeneous and homogeneous
| 9) Circle the best answer: NaCl, CO2, and NaHCO3 are all examples of ELEMENTS or COMPOUNDS. | compounds
| 10) True or False: Gold is a pure substance. | True
| 11) Decomposing, rusting, exploding, and burning are indicators that a __________ change has occurred. | chemical
| 12) Bending, tearing, mixing, and dividing are indicators that a _________ change has occurred. | physical
| 13) What is the definition of a physical change? | a change that occurs without changing the identity of a substance
| 14) What is the definition of a chemical change? | A change that occurs when one or more substances change into entirely new substances with different properties
| 15) Name the three phases of matter | solid, liquid, gas |
