Pressure & Density

What are the states of matter?

• solid, liquid, and juice
• solid and liquid
• solid and gas
• solid, liquid, and gas

If an object sinks in a fluid, _____.

• the density of the fluid is greater than the density of the object
• the density of the fluid is less than the density of the object
• the density of the fluid is equal to the density of the object
• density has nothing to do with whether an object sinks or floats, only which state of matter the object is

What do we call the the amount of force exerted on a certain area?

• fluid
• pressure
• buoyant

What is any substance than can flow and take the shape of the container that holds it

• pressure
• fluid
• atmospheric pressure 
• density

What is the amount of force per unit of area applied to an object’s surface?

• fluid
• pressure
• atmospheric pressure
• density

What is the equation used to calculate pressure?

• pressure= force/mass
• pressure =mass/volume
• pressure=area/force
• pressure=force/area

What is the unit of measurement for pressure?

• pascal
• grams
• milliters
• meters

Pressure decreases when the surface area over which a force is applied increases

• True
• False

Pressure increases when the surface area over which a force is applied increases.

• True
• False

What is the ratio of weight of all the air above you to your surface area 

• pressure
• fluids
• density
• atmospheric pressure