6-7 Physics

Weather is created by the interaction of air, water, and __________.

The rising of warm air creates a phenomenon known as an __________.

Clouds are formed from millions of tiny water __________.

When the ice crystals in a cloud grow heavy enough, they fall as __________.

Wind is caused by the movement of air due to differences in __________.

An engine requires three key ingredients to run: gas, air, and a __________.

The movement of fuel from the tank to the engine is done through a __________.

The process of mixing air and fuel in the engine takes place in the __________.

A spark plug generates the __________ necessary to ignite the fuel mixture.

The function of the exhaust system is to remove burnt __________ from the engine.