If I place a crumpled up piece of paper in a glass and place it upside down in a bowl of water, what happens?

• It will get wet
• It will stay dry
• It will float
• It will sink

The name of the variable we do not change in an experiment is called the _________ variable. 

• Controlled
• Manipulated
• Responding
• Working

How might a swimmer streamline their body?

• Shave their body hair
• Wear tight fitting swimsuits
• Wear a swim cap
• All of the above

How might a cyclist streamline their body?

• Wear jeans
• Stand up while peddling
• Wear a special helmet
• Add a parachute

What do parachutes rely on to fall to the ground more slowly?

• Lift
• Drag
• Thrust
• Lift

What 2 gasses make up 99% of the air we breathe?

• Oxygen & Methane
• Nitrogen & Methane
• Nitrogen & Oxygen
• Methane & Krypton

What does this image represent?

• Lift
• Bernoulli's Principle
• Oxidation
• Drag

The faster air moves, the lower the ________.

• Speed

• Density

• Compression

• Pressure

Tags

NGSS.MS-PS2-2

Air is _____ and capable of being compressed.

• Fluid

• Wet

• Pressurized

• Flowing

Air takes up space and ______ pressure.

• Raises

• Lowers

• Exerts

• Provides