Heat and its effects

The sun, a fire and an electric oven are examples of ____________

• heat sources

• react

• temperature

Heating can make a substance hotter, raising its ___________

• weight
• expand

• temperature

Heating can make a substance bigger, causing it to ________

• evaporate
• shrink
• expand

Heating can cause a substance to ___________ , for example by melting.

• change shape
• change state
• change color

Heat can make some substances _________ , for example when a cake mixture bakes in the oven.

• evaporate
• react

• disappear

Heat is a liquid.

• True
• False

Heat makes ice melt.

• True

• False

Metal expands more than glass when it is heated.

• True
• False

Heat makes water freeze.

• True
• False

A measure of how hot or cold something is.

• Color
• Weight
• Temperature