Materials

What is the state of matter that has a definite shape and size?

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What is the process called when a solid turns into a liquid?

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What is the particle model of matter?

• A scientific model that describes the properties and behavior of matter in terms of particles.

• A model that describes the behavior of electricity in terms of particles

• A model that describes the properties of light in terms of particles

• A model that explains the behavior of sound waves in terms of particles

What is the state of matter that has a definite size but takes the shape of its container?

• gas

• liquid

• solid

What is the process called when a liquid turns into a solid?

• Gasification

• Liquification

• Solidification

• Melting

What happens to the particles of a substance during a chemical reaction?

• The particles of a substance rearrange to form new substances with different properties.

• The particles of a substance increase in size

• The particles of a substance remain unchanged

• The particles of a substance disappear completely

What are some properties of liquids?

• Some properties of liquids include viscosity, ability to flow, and taking the shape of their container.

• Solid state at room temperature

• Ability to fly

• Transparency to light

What are some properties of gases?

• In gas, particles are free to move in every direction.

• Particles are tightley packed together

• Fixed shape

• Fixed size

Select the hardest material

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Select man made material

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