SCIENCE 5 MOD8L3-4 MA

The _____ is the main source of energy

• Sun

• Moon

• Powerplants

Heating food inside the microwave is an example of ______.

• conduction

• convection

• radiation

A spoon on the frying pan is an example of ______.

• conduction

• convection

• radiation

An increase in size of material is called

• expansion

• contraction

Heat is ____ transferred

• not easily

• easily

______is the process in using x-ray machines

• conduction

• convection

• radiation

A decrease of size in the material is called___

• expansion

• contraction

It takes ____ space when matter is cooled

• less

• more

Matter contracts when _____

• heated

• cooled

______ makes matter move faster

• heating

• cooling