CU7: Density

The density of a material is determined by....

• mass and volume

• mass and area

• weight and volume

• weight and area

What is the formula for density?

• density = mass x volume
• density = mass / volume
• density = volume / mass

• density = weight/volume

A balloon filled with Helium floats in Earth's atmosphere because...

• helium is less dense than air.

• helium is more dense than air.

• helium has the same density as air.

True or False:  The density of a specific type of material changes if the size of the material increases or decreases. 

• True
• False

Why does ice float in your tasty beverage?

• Liquid water is less dense than solid water.
• Solid water is less dense than liquid water.
• Solid water is more dense than liquid water.

A crayon has a mass of 10 g and volume of 5 mL. What is the crayon's density?

• 50 g/mL

• 15 g/mL
• 0.5 g/mL

• 2 g/mL

Tags

NGSS.MS-PS1-2

Which liquid is the most dense?

• oil
• water
• syrup 

The amount of space something takes up is its...

• density
• volume
• mass
• weight

Density is...

• is the ratio between mass and volume

• the amount of matter in an object

• the amount of space an object takes up

• the weight of an object

An irregularly shaped rock was lowered into a graduated cylinder holding a volume of water equal to 50 mL. The volume of liquid in the graduated cylinder rose to 75 mL. If the mass of the rock is 250 g, what is the rock's density?

• 0.1 g/mL

• 3.3 g/mL

• 10 g/mL

• 0.3 g/mL