1. what is everything made up of?
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a. Matter
b. Atoms c. Electrons d. Ions a. Drying wet clothes b. cutting snowflakes out of angel c. lighting a match from a matchbox. d. Breaking a rock. a. plasma b. liquid c. iron d. gas a. When randomly moving gas molecules hit the wall of a container they exert a force on the wall. b. As temperature of a gas in container increases, the molecules move faster and hit the walls more frequently and more violently. c. Gas pressure increases with gas temperature and vice versa at constant volume. d. Matter is made up of tiny particles called germs which can infect the body and cause damage. |