Post test Direction: Read each question carefully. Choose the letter of the correct answer. a. 1. What happen to liquid when it evaporates? Air c. water vapor b. Gas d. Both Answers B and C _2. Which of the physical states of water contains particles with the lowest kinetic energy? a. Ice c. Steam b. Melting Ice d. Water 3. The particles in a solid that is melting move farther and farther apart because. a. the particles slow down, b. the particles begin to lose their shape. c. the particles repel each other more intensely. d. the particles have more energy and bump into each other more often. 4. If two objects have the same volume but one has a greater mass, the one with greater mass a. has a lower density c. it will float b. has a higher density d. none of these. 5. Your blood, when magnified, reveals several different kinds of cells. Based on this information, your blood is an example of a a. Compound b. Pure substance c. Heterogeneous mixture d. Homogenous mixture
