Density

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

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

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

• sink
• float

What is the SI unit for mass?

• g

• cm³

• g/cm³

• pounds

This bullseye demonstrates...

• High Accuracy & High Precision
• High Accuracy & Low Precision
• Low Accuracy & High Precision
• Low Accuracy & Low Precision

What is the volume of Object X?

• 10.0 cm³
• 15.0 cm³
• 20.0 cm³
• 25.0 cm³

What is the formula for Mass?

• Mass/Volume

• Density x Volume

• Mass/Density

Using a calculator and the formula, M=DV, sulfur is a nonmetallic mineral that has a density of 2 g/cm³. The volume of a sample of sulfur was measured to be 5.0 cm³. What is the mass of the sample?

• 2.5 g

• 0.4 g

• 10 g

Using a calculator and the formula, V=M/D, pure honey has a density of 1.42 g/ml. If you have a sample of honey that has a mass of 20 grams, what is the volume of your sample?

• 14.1 ml

• 0.07 ml

• 28.4 ml