Pressure and Density

The unit of measure for pressure is the

• gram

• pascal

• newton

• pounds

An object is sitting in a glass of water. In which direction does the water apply pressure to the object?

• side to side

• up and down

• all directions

• none of the above

A constant force is applied to three different surface areas. Which area will experience the greatest pressure?

• .5 meters squared

• 1.0 meters squared

• 1.5 meters squared

• All the same amount of pressure

Fluids form layers based on their

• areas

• densities

• locations

can be a gas or a liquid

• atmospheric pressure

• density

• fluid

• pressure

Tags

NGSS.MS-PS1-4

the amount of force per unit area that is applies to a surface

• atmospheric pressure

• density

• fluid

• pressure

increases as elevation decreases on Earth's surface

• atmospheric pressure

• density

• fluid

• pressure

Ice floats in water. Which must be true?

• Ice molecules have more mass than water molecules

• Ice molecules have less mass than water molecules

• A volume of ice has less mass than the same volume of water

• One gram of ice has less volume than 1 g of water

Tags

NGSS.MS-PS1-2

Measure of the ratio of mass to volume

• pressure

• density

• weight

• fluid

What does a barometer measure?

• Temperature

• Density

• Pressure