Chapter 3 Resource: Matter and its Changes

Name Date Class
1
Reinforcement
Physical Properties
and Changes
Directions: Circle the term that best completes each statement below.
1. At room temperature, air is usually a (solid, liquid, gas).
2. The state of matter that has a definite shape is (solid, liquid, gas).
3. The measure of the amount of matter in a substance is its (weight, mass, density).
4. When a substance changes from a solid to a liquid, (condensation, melting, freezing) takes place.
5. The density of 4 cm 3 of stainless steel is 8.0 g/cm 3 .The density of 2 cm 3 of stainless steel is
(4.0 g/cm 3 , 8.0 g/cm 3 , 16.0 g/cm 3 ).
6. The state of matter that occurs at very high temperatures such as in a lightning strike is
(solid, liquid, plasma).
7. Metals are usually (malleable, sour, dull).
Directions: In the space provided, name the physical properties you would use to tell the difference between the
following pairs of objects.
8. coal and snow
12. salt and sugar
Meeting Individual Needs
9. vinegar and water
13. a baseball and a football
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10. lead and copper
14. cubes of silver and platinum
11. strawberry and vanilla ice cream
Directions: Identify each statement as true or false. Rewrite false statements to make them correct.
15. Only particles in the solid state are in motion.
16. The particles of a solid have more energy than those of a gas.
17. In a glass of iced tea, tea is the solute.
Matter and Its Changes 27