A Boiling
B. Melting
C Freezing D Condensation
11. Which state of matter has a definite shape, a definite volume and cannot now?
A. Gas B. Solids and gases
C. Solid D.Liquid
12. Why does a liquid take the shape of its container?
A. Because it has changed from another state to a liquid
B. Because the particles are not moving.
C. Because the particles in the liquid are constantly moving.
D. Because this is a chemical property of liquids.
13. When the temperature of a liquid is increased a little, what happens to its particles?
A They start vibrating more. C. They move so far apart that the liquid becomes a gas.
B. They come closer together. D. They stop vibrating.
14. Which one of the following is a state of matter?
A Particle B.Liquid C Air D. Creature
15. Which of the following is NOT a way that matter changes phase?
A melting B. freezing C. evaporation D. mixing


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