Exploring Matter
A worksheet for 8th-grade science students to explore the properties, states, and changes of matter.
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Standards
Topics
Exploring Matter
Name:
Date:
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Read each question carefully and answer to the best of your ability. Show all your work where applicable.
1. Which state of matter has a definite shape and a definite volume?
Liquid
Gas
Solid
Plasma
2. What happens to the particles of a substance when it changes from a liquid to a gas?
They move closer together.
They lose kinetic energy.
They spread out and move faster.
They remain in fixed positions.
3. The amount of space an object occupies is called its .
4. A substance that cannot be broken down into simpler substances by chemical means is called an .
5. Describe the main difference between a physical change and a chemical change in matter. Provide an example of each.
6. All matter is made up of tiny particles called atoms.
True
False
7. When water boils, it undergoes a chemical change.
True
False
8. Observe the diagram below showing the particle arrangement in different states of matter. Label each state and describe the movement of particles in each.
State 1 (Left):
Particle Movement:
State 2 (Middle):
Particle Movement:
State 3 (Right):
Particle Movement:
9. Use the words from the word bank to complete the sentences below.
a. The amount of matter in an object is its .
b. The process by which a solid turns into a liquid is called .
c. is the measure of how much mass is contained in a given volume.