Density Overview Practice

What is the formula for density?

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

2. 2. 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

3. 3. 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

4. 4. Frank has a paperclip. 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 is the measuring unit for mass?

• centimeter 
• millimeter 
• grams 
• pounds

What two types of measurements make up DENSITY? 

• Mass and Volume
• Temperature and Mass
• Grams and Centimeters
• Volume and Weight

What is density?

• The amount of mass per volume

• The amount of volume per mass

• The amount of pressure per volume

• The amount of pressure per mass

The volume of a rectangular object (such as a cube) is measured by...

• Length x Width x Height

• Water Displacement Method

10. 10. A scientist fills a beaker to 300 mL. The scientist drops an irregular-shaped object into the beaker. The water level rises to 400 mL. What is the volume of the object? ^{(Draw a model for this on a separate sheet of paper. Show the beaker before and after)}

• 400 mL

• 700 mL

• .75 mL

• 100 mL