Grade 8 Particle Model Worksheet
Explore the states of matter and the particle model with this Grade 8 Science worksheet, covering solids, liquids, and gases.
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Grade 8 Particle Model Worksheet
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Read each question carefully and provide your best answer. Refer to your knowledge of the particle model and states of matter.
1. Which statement best describes the particles in a solid?
Particles are far apart and move randomly.
Particles are close together and vibrate in fixed positions.
Particles can slide past each other.
Particles have no kinetic energy.
2. What happens to the kinetic energy of particles when a substance is heated?
It decreases.
It increases.
It remains the same.
It turns into potential energy.
3. The three states of matter are solid, liquid, and .
4. When a liquid turns into a gas, the process is called .
5. In a gas, particles have the kinetic energy and are the apart.
6. Describe the arrangement and movement of particles in a liquid.
7. Observe the diagram below showing the particle arrangement in different states of matter. Label each diagram as Solid, Liquid, or Gas.
A.
B.
C.
8. Particles in a gas are held together by strong forces of attraction.
True
False
9. Sublimation is the process where a solid turns directly into a gas.
True
False
10. Explain how the particle model can be used to describe why a gas fills its entire container.
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