CO 1 CHANGES IN MATERIALS DUE TO TEMPERATURE

The process of changing liquid into solid is called ______.

• freezing

• cooling

• increasing

• decreasing

There are some liquids that can be changed into solids by simply exposing them to __________ temperature.

• warm

• cold

• average

• medium

Changing solid into liquid is called ______.

• heating

• increasing

• melting

• decreasing

The video shows melting of frozen butter into liquid butter. Therefore, melting means changing _____ to ______.

• solid to gas

• liquid to solid

• liquid to gas

• solid to liquid

Which of the following shows freezing?

• 
• 
• 
• 

Which of the following materials melts when heated?

• apple

• bread

• flour

• wax