What happens when the cap is removed from a plastic bottle?

• The bottle becomes lighter

• The bottle becomes heavier

• The air inside escapes

• The bottle collapses

Why can't you crush a capped plastic bottle with your fingers?

• The bottle is empty

• The cap is too tight

• Air inside takes up space and resists

• The bottle is too strong

What happens to the egg when the air inside the bottle is heated and escapes?

• The egg remains still

• The egg floats

• The egg is pushed into the bottle

• The egg cracks

What does the paper on fire in the bottle do?

• Warms the air creating high pressure

• Warms the air creating low pressure

• Cools the air creating high pressure

• Cools the air creating low pressure

What is the relationship between air pressure and weather?

• Low air pressure leads to clear weather

• Air pressure has no effect on weather

• High air pressure leads to stormy weather

• High air pressure leads to clear weather

What does high air pressure typically indicate about the weather?

• Rainy weather

• Windy weather

• Stormy weather

• Clear and nice weather

What direction does air pressure travel?

• High pressure to low pressure

• Low pressure to high pressure

• There is always equal pressure in an area