5ºA Unit 5: Heat and Light

Complete the sentence:

___________ is a means of of transferring energy between two bodies that are at different temperatures.

• Energy

• Temperature

• Heat

• Light

What do we use to measure the bodies' temperature?

• Anemometer

• Thermometer

• Microwave

• Saucepan

When we say that something is hot or cold, what we really mean is that ...

• Its temperature is high or low

• Its temperature is big or small

• Its contraction or expansion

What is temperature?

• The amount of thermal energy in an object

• The transfer of thermal energy

• The energy that we can see

Higher temperature means faster moving molecules

• True

• False

In heat transfer, heat always flows from the _______________ substance to the _______________ substance.

• Hotter to colder

• Colder to hotter

• Hotter to hotter

• Colder to colder

The next picture is...

• A change of temperature

• A change of volume

• A change of state

What are the two changes in size that an object can develop according to the temperature it is exposed?

• Heat and temperature

• Reflection and refraction

• Expansion and contraction

When solid water turns into liquid water it is called...

When a gas cools down, it changes into a liquid.

This process is called ...