Density Unit review

Using a calculator and the formula, D=M/V, what is the density of a cube that has a mass of 25 grams and a volume of 125 cm³?

• 5.0 g/cm³

• 0.2 g/cm³

• 625 g/cm³

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CCSS.HSG.MG.A.2

REMINDER 1 g/cm³= 1 g/ml

Using a calculator and the formula, D= M/V, a student is trying to identify an unknown mineral sample. The sample has a mass of 150 grams and displaces 30 ml of water. Which mineral does the student have?

• weissite (density = 6 g/cm³)

• goslarite (density = 2 g/cm³)

• pyrite (density = 5 g/cm³)

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CCSS.HSG.MG.A.2

Using a calculator and the formula, D=M/V, a block of wood has a volume of 45 cm³ and a mass of 180 grams, what is the density of the wood?

• 4 g/cm³

• 0.25 g/cm³

• 3600 g/cm³

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CCSS.HSG.MG.A.2

Density is a physical property of matter and can be used to classify substances. Density is calculated by which of the following?

• d=v/m

• d=m/v

• d=w/v

• d=m/w

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CCSS.HSG.MG.A.2

The mass of an object is 30 g.  The volume is 5 mL.  What is the density of this object?

• 6 g/cm
• 6 g/mL
• 6

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CCSS.HSG.MG.A.2

What is the density of an object that has a volume of 30 mL and 120 grams?

• 40 mL
• 4 g/mL
• 40 g/cm3
• 4 g 3

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CCSS.HSG.MG.A.2

What is the density of an object that has a volume of 223 m3 and a mass of 500 grams?

• 2.42 g/m3
• 2.24 g/mL
• 2.24 m'/g
• 2.24 g/m3

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CCSS.HSG.MG.A.2

What two factors do you need to calculate density?

• matter and mass
• matter and volume
• mass and volume
• weight and volume

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

Tags

CCSS.HSG.MG.A.2

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