Pop Quiz: Measurements

What is the formula for density?

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

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
• 1/7 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 volume of 150 grams of lead if it has a density of 11.3 g/cm³?

• 13.3 g
• 13.3 cm³
• .075 g
• 1695 cm³

What is the volume of 150 grams of lead if it has a density of 11.3 g/cm³?

• 13.3 g
• 13.3 cm³
• .075 g
• 1695 cm³

7,000 g = ____ kg

• 70
• 700
• 7
• 0.07

648 g = ____ mg

• 6,480
• 64,800
• 648,000
• 64.8

What is the basic unit of mass in the metric system?

• Liter

• Meter

• Gram

• Kilometer

Which unit is a a measure of volume?

• meters
• grams
• inches
• liters

42 L = ___mL

• 4,200
• .0042
• 4.20
• 42,000