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Density

Density

Assessment

Presentation

Science

8th Grade

Practice Problem

Easy

NGSS
MS-PS1-2

Standards-aligned

Created by

Ms. Tariche

Used 396+ times

FREE Resource

4 Slides • 8 Questions

1

Density

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Learning Goal:

To estimate the volume and density of different objects and substances

2

Multiple Choice

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A golf ball and a ping-pong ball are about the same size. In other words, they have about the same volume. However, a golf ball has more mass than a ping-pong ball. What can you conclude from this information?

1

A ping-pong ball contains more matter than a golf ball.

2

A ping-pong ball has the same properties as a golf ball.

3

A golf ball contains a smaller amount of mass per volume than a ping-pong ball.

4

A golf ball has a greater density than a ping-pong ball.

3

Multiple Choice

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The table shows the volumes of different samples of liquid. Which sample has the lowest DENSITY?

1

A

2

B

3

C

4

D

4

Volume and Density Problems (Notebook)

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5

Volume and Density Problems (Notebook)

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6

Open Ended

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What is the volume of the hammer?

7

Open Ended

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Estimate the volumes of

a) the cylinder

b) the ring

8

Open Ended

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The density of pure silver is 10.5 g/cm3. Which one(s) of the following objects is (are) actually made of pure silver? SHOW YOUR WORK (just the formula work; use a calculator to do the math).

- A cube, which side measures 3.2 cm (32.768 cm3) and which mass equals 344 grams.

- A ring, which mass equals 29 grams, and that raises the water in a graduated cylinder from 20 to 24.1 ml.

- A spoon, which displaces 13 ml of water, and which mass equals 136.45 grams.

9

Open Ended

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A graduated cylinder has a mass of 50 g when empty. When 30 mL of water is added, the graduated cylinder has a mass of 120 g. If a rock is added to the graduated cylinder, the water level rises to 75 mL and the total mass is now 250 g. What is the density of the rock?

10

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11

Open Ended

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A wood block is cut in half. Answer the following questions :

a) What happens to its volume?

b) What happens to its mass?

c) What happens to its density (calculate the density before and after cutting)

12

Multiple Choice

Which of the following properties of an object DOES NOT CHANGE if you cut it in three equal parts?

1

its mass

2

its volume

3

its density

4

its weight

Density

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Learning Goal:

To estimate the volume and density of different objects and substances

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