Definitions
Concepts
States
Explain
100

What is a solid?

A matter that takes up a definite amount of space and a definite shape.

100

What is heating?

When a matter that gets hot enough, the solid turns into a liquid.

100

Name a liquid. Why is it a liquid?

Juice. It's a liquid because it takes up a definite amount of space, but it takes a container's shape.

100

How can water in the liquid state change to water in the solid state?

The temperature must get lower. 

200

What is a liquid?

A matter that also takes up a definite space, but doesn't have a shape.

200

What will happen when a liquid loses energy? 

A liquid turns into a solid.

200

Name a solid. Why is it a solid?

The desk is a solid because it has definite shape and size.

200

What is happening to an ice cube as it melts?

Warm air hits the outside of the cube and warms the surface.

300

What is gas?

A matter that doesn't take up a definite amount of space and doesn't have a definite shape.

300

What is matter?

Subjects or a substances that take up a space/don't take up a space.

300

Why do you think liquids and gases are classified as fluids?

Fluid is used to talk about something that flows.

A liquid takes the shape of its container; a gas expands to fill its container.

300

What happens to to water vapor if you breathe on a cold window?

It condenses into tiny water droplets.

400

What is evaporation?

When liquid water gains energy and turns into a gas.

400

What is the state of matter will happen between the temperature 0 Celsius and 100 Celsius? 

Liquid

400

How can water in the liquid state change to water in the solid state?

The temperature must become low. 

400

Water changes state at different temperatures. At which temperature does it boil?

A. 0 C

B. 10 C

C. 100 C

A. Solid 

B. Liquid

C. Gas 

500

What is condensation?

When gas loses energy and changes back to a liquid.

500

What is meant by the word boil?

To generate bubbles of vapor when heated.

500
What is used to make an igloo? What should be the temperature?

The igloo is made of ice. The Temperature must be below 0 Celsius or 32 Fahrenheit 

500

How can you tell that the temperature of the snow is below 0 C ?

Snowflakes are a form of frozen water.

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