# Physical Science: The Nature of Matter, Book K

## Chapter 2: States of Matter

### Standardized Test Practice

 1. Which of the following describes the particles in a liquid? A) fixed volume, changeable shape B) changeable shape and volume C) fixed shape and volume D) fixed shape, changeable volume 2. Which of the following is equal to the boyant force of a rock placed in a beaker of water? A) volume of the displaced fluid B) weight of the displaced fluid C) volume of the rock D) weight of the rock 3. What is the process called when a solid changes directly to a gas? A) boiling B) condensation C) sublimation D) melting 4. Which process allows clouds to form from water vapor in the air? A) evaporation B) melting C) condensation D) sublimation 5. Which property allows a pin to float on the surface of water? A) density B) surface tension C) specific heat D) viscosity 6. Which is true about the gas as the piston in the illustration moves down? (4.0K) A) volume decreases, pressure increases B) pressure decreases, volume increases C) pressure and volume decrease D) volume and pressure increase 7. If you increase the temperature of the gas in the middle cylinder, the piston moves. What is the result? [art 642_stp_questins_ta01 IPS p. 130, question 8, illustration of three pistons in cylidners] A) Pressure increases and volume stays the same B) Pressure and volume increase. C) Pressure stays the same and volume increases. D) Pressure and volume decrease. 8. Which of the following would you expect to have the highest specific heat? A) water B) aluminum C) cooper D) sand 9. What is the mass of an object that has a density of 0.44 g/cm2 and a volume of 25 cm2? A) 18 g B) 28 g C) 11 g D) 57 g 10. What happens to the thermal energy that is added to the water between 4 and 11 minutes? (21.0K) A) It breaks apart the water molecules B) It escapes the liquid as heat. C) It causes the particles to move faster. D) It is lost by evaporation.