The amount of matter in an object is the object's:

• Mass
• Volume
• Density
• Area

The unit m³ is a unit of:

• Volume
• Mass
• Density
• Area

The density of water is ____ g/cm³.

• 1
• 1000
• 100
• 10

Cutting a watermelon in half causes the density of the watermelon to:

• Increase
• Decrease
• Remain constant

A g or kg is a unit of:

• Mass
• Volume
• Density
• Area

Air pressure and altitude have what type of relationship?

• Inverse
• Direct
• No relationship

Buoyant forces always act:

• Upwards
• Downwards

Standing on one foot causes the pressure on the floor to:

• Increase
• Decrease
• Remain constant

It is "safe" to lay on a bed of nails due to:

• The increased area the nails create
• The increased pressure the nails create
• The smaller area the nails create
• The less force that acts on your body

The purpose of a water tower is to:

• Create a reliable source of pressure
• Decrease pressure to avoid stress on pipes
• Advertise what town you are in
• Place cell phone antennas on