Density

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 is the formula for density?

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

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

• 7 mL
• 7 g/cm³
• 28 g/cm³
• .14 g/cm³

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

• 8 g/cm³
• 2 g/cm³
• .5 g/cm³

• 24 g/cm³

Claire has a liquid. It has a mass of 9g and a volume of 3mL. What is its density?

• 3 g/mL

• .33 g/mL

• 27 g/mL

• 39 g/mL

Put the liquids in order from most dense to least dense?

• 4, 3, 2, 1
• 1, 2, 3, 4
• 3, 4, 2, 1, 
• 4, 3, 1, 2

What is the formula for Mass?

• Mass/Volume

• Density x Volume

• Mass/Density

• Density/Mass

• Volume/Mass

What is the formula for Volume?

• Mass/Volume

• Density x Volume

• Mass/Density

• Volume/Mass

• Density/Mass

If an object has a density of .6 g/mL and you put it into water, will it sink or float?  

• sink
• float

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

• sink
• float