density

Why does ice float?

• Liquid water is less dense than solid water.
• Solid water is less dense than liquid water.
• Gaseous water is less dense than solid water.
• Liquid water is less dense than gaseous water.

Put the liquids in order from most dense to least dense? (a)  

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

Tags

NGSS.MS-PS1-2

What is the formula for density? (a)  

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

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

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

Helium balloons rise on earth because (a)  

• helium is less dense than air
• helium is more dense than air
• helium is cooler than air
• helium is warmer than air

Tags

NGSS.MS-PS2-5

Why do some substances float on water? (a)  

• 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 measuring unit for mass?

• centimeter 
• millimeter 
• grams 
• pounds

Which units of measurement are used for volume?

• grams
• centimeters
• grams/milliliter
• milliliter

What units are used to measure Density?

• cm³/g
• g
• g/cm³
• cm³