volume mass and density plus review of organelles

What is the formula for density?

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

True or False:  The density of a specific type of material never changes.  

• True
• False

Density is measured with what units?

• grams (g)
• centimeters (cm)
• g/cm3
• pounds (lbs)

Which does 12.0 grams represent?

• mass
• volume
• speed
• force

amount of matter in an object

• density

• volume

• weight

• mass

These two blocks have the same mass. Which is more dense?

• Red block

• Blue block

Which of the three blocks has the greatest density?

• A

• B

• C

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

Look at this image.  Which object has the LOWEST density in water? How?

• The Ping Pong Ball because it floats to the top 

• The bolt because it has sunk to the bottom

• The soda cap because it is not just full of air like the Ping Pong ball

Which liquid is least dense?

• red

• yellow

• green

• blue