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Java Games: Flashcards, matching, concentration, and word search. |
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LESSON 4-2 PHYSICAL AND CHEMICAL CHANGES
Review games for lesson 4-2
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| A | B |
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| physical change | change in size, shape, or form |
| chemical change | results in a new substance |
| weathering | physical change in the surface of the earth |
| states of matter | solid, liquid, gas |
| signs of a chemical change | release of gas, heat, light, new substance |
| signs of a physical change | new color, bigger size, smoother texture |
| wind and water erosion | physical weathering |
| corrosion | chemical change when something rusts |
| salt | results when an acid and base mix |
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