Lesson 1 - Density

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Multiple Choice

How can you find the mass of an object?

• By measuring its length with a ruler

• By using a digital scale or a triple beam balance

• By observing its color

• By checking its temperature

Multiple Select

Which of the following statements about mass are correct?

• Mass is the amount of matter in an object

• Mass is measured in grams or kilograms

• Mass changes when gravity changes

• Mass can be found with a digital scale

Open Ended

Explain the difference between mass and weight, and describe a situation where the weight of an object changes but its mass remains the same. (Keep it less than 2 sentences.)

Fill in the Blanks

is the amount of space an object takes up, described in units of mL or cm³.

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Multiple Choice

What is the formula to find the volume of a rectangular solid object?

• Volume = length + width + height

• Volume = length x width x height

• Volume = width x height

• Volume = length x height

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Open Ended

Describe the steps you would take to find the volume of an irregular solid object using water displacement. (Keep it to 10 words or less)

Multiple Choice

Which of the following best explains why a bowling ball and a volleyball can have the same volume but different masses?

• The bowling ball has a higher density than the volleyball.

• The volleyball has a higher density than the bowling ball.

• Both have the same density.

• Density does not affect mass.

Multiple Select

Which of the following are units for measuring density?

• g/cm³

• g/mL

• kg/m

• cm²

Multiple Choice

Which object has the highest density in this picture?

• A

• B

• C

Multiple Choice

Which object has the lowest density in this picture?

• A

• B

• C

Draw

Draw what equation you would need to solve for DENSITY.

Draw

Draw what equation you would need to solve for MASS.

Draw

Draw what equation you would need to solve for VOLUME.

Multiple Choice

What’s the density of a liquid with a mass of 100g and a volume of 25mL?

• 0.25 ml/g

• 0.25 g/ml

• 4 g/ml

• 0.2 g/ml

Multiple Choice

What’s the density of a liquid with a mass of 50g and a volume of 150ml?

• 3.0 g/ml

• 0.83 g/ml

• 0.33 g/ml

• 1.2 kg/l

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Multiple Choice

Based on the image, why does the coin sink while the plastic bug floats above the oil layer?

• The coin has a higher density than water and oil.

• The plastic bug has a higher density than oil.

• The coin is lighter than the bug.

• The bug is heavier than the coin.

Multiple Choice

Put the liquids in order from most dense to least dense?

• 4, 3, 2, 1
• 1, 2, 3, 4
• 3, 4, 2, 1, 
• 4, 3, 1, 2

Fill in the Blanks

Density is calculated by dividing mass by

.

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