Gravity, Atmosphere and Parachutes

The force of gases in the atmosphere pushing against something that is moving

• air pressure
• contact forces
• drag
• magnetism

The layer of gas surround some planets and moons

• ozonosphere
• methane gas
• nitrogen
• atmosphere

What force pulls objects down to earth?

• gravity

• velocity

• dirt

• air resistance

What force slows down objects?

• gravity

• velocity

• air resistance

• the sun

When you open a parachute it creates ______ air resistance.

• more

• less

Why does a parachute slow you down?

• It is pretty

• it is big

• the air gets caught in the canopy and creates more air resistance

• gravity pulls it

The force of attraction of a bigger object on a smaller object is called 

• matter
• gravity
• force
• parachute

The force of air pushing against something that moves through the atmosphere. Also called air resistance.

• technology
• parachute
• suspension lines
• drag

Parachutes fall more slowly with ____________________ canopies.

• smaller

• larger

To create the most drag, a parachute needs to

• have a small surface area

• be light

• have a lot of surface area

• be heavy