Unit 1 Test Review_Density

What is the formula for density?

• density = mass x volume
• density = mass / volume
• density = mass + volume
• density = mass - volume

Frank has an eraser. It has a mass of 4g, and a volume of 2cm³. What is its density?

• 8 g/cm³
• 2 g/cm³
• 1/2 g/cm³
• 24 g/cm³

Jack has a rock. The rock has a mass of 14g and a volume of 2cm³. What is the density of the rock?

• 7 mL
• 7 g/cm³
• 28 g/cm³
• 1/7 g/cm³

Frank has a paper clip. It has a mass of 9g and a volume of 3cm³. What is its density?

• 3 g/cm³
• 1/3 g/cm³
• 27 g/cm³
• 39 g/cm³

Why do some substances float on water?

• they are warmer than water
• they are cooler than water
• they are more dense than water
• they are less dense than water

What units are used to measure Density?

• cm³/g
• g
• g/cm³
• cm³

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

• 30 g/mL
• 15 g/mL
• 1 g/mL
• 2 g/mL

What is the formula for Mass?

• Mass/Volume

• Density x Volume

• Mass/Density

What is the formula for Volume?

• Mass/Volume

• Density x Volume

• Mass/Density

If an object has a density of 3.6 g/mL and you put it into water, will it sink or float?  

• sink
• float