Density Review

Presentation

•

Science

•

9th - 12th Grade

•

Medium

•

NGSS

MS-ESS1-1, MS-PS1-2, MS-PS2-1

+10

Standards-aligned

Kurt Trout

Used 2+ times

FREE Resource

8 Slides • 53 Questions

Density Definition

the degree of compactness of a substance

We need MASS- the amount of MATTER in a given object

We need VOLUME- the amount of SPACE something takes up

Calculating Density

Multiple Choice

The amount of space an object takes up is its ___.

mass

volume

length

weight

Multiple Choice

The amount of matter in an object is its ___.

mass

volume

length

weight

Multiple Choice

Amy is trying to decide how many books she can fit in her backpack. Is this mass or volume?

mass

volume

Multiple Choice

Eben is trying to decide whether he is strong enough to pick up the box of toys. Is this mass or volume?

mass

volume

Multiple Choice

Michael had to make sure the box of parts wasn't too heavy to set on the chair. Is this mass or volume?

mass

volume

Multiple Choice

Bram is looking for a new bed for his room. If he is trying to decide if it will fit, is this mass or volume?

mass

volume

How do I calculate mass?

Pretty easy, you weight it on a scale

There are only 2 units we use for mass....
g(grams) and kG (kilograms)

You find the "displacement" Put the object in a cylinder, and measure the before and after units, and the difference in the volume. in mL

An irregular object

You measure Length x Width x Height measured in cm^3

A cube or normal object

How do I calculate volume?

Multiple Choice

What is the volume of this prism?

24 cubic cm

240 cubic cm

60 cubic cm

Multiple Choice

Find the volume

1120 ft²

2011 ft²

120 ft³

1120 ft³

Multiple Choice

Let's practice! Before reads 50 mL. After we drop in the object, the new water level goes up to 60 mL. What is the volume of the blocks? (Hint: new volume- old volume)

8 mL

10 mL

60 mL

5 mL

Multiple Choice

What is the volume of the two red spheres? (Hint: new volume - old volume)

4 mL

6 mL

2 mL

8 mL

Multiple Choice

What is the volume of the ring? (new volume - old volume)

64 mL

68 mL

8 mL

4 mL

Ok, got it. So, how do I calculate density?

D=M/V or...M= DxV or...V= M/V

Remember, units for
volume cm^3 OR mL
Mass g or kG
Density g/cm^3 or mL/g.......

Multiple Choice

What is the density of a liquid that has a mass of 27g and a volume of 30mL?

0.9 g/mL

3 g/mL

57 g/mL

810 g/mL

Multiple Choice

What is the formula for density?

density = mass x volume

density = mass / volume

density = mass + volume

density = mass - volume

Multiple Choice

An eraser 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

Multiple Choice

A paper clip 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

Multiple Choice

What is the mass of a 25 cm³ liquid if it has a density of 5 g/cm³?

125 g

5 g

$\frac{5g}{cm^3}$

$0.2\ cm^3$

Multiple Choice

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

Keys to remember

The density of water is 1.00 g/mL

If anything is higher than 1.00 g/mL, it will SINK
If anything is lower than 1.00 g/mL, it will float.
If it is "equal" to 1.00 g/ml, it will float/"flink"

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

Multiple Choice

Which liquid is the least dense?

oil

water

syrup

plastic bottle

Let's review to make sure we got it!

Multiple Choice

What is the formula for density?

density = mass x volume

density = mass / volume

density = mass + volume

density = mass - volume

Multiple Choice

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

Multiple Choice

What is the volume of Object X?

10.0 cm³

15.0 cm³

20.0 cm³

25.0 cm³

Multiple Choice

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

Multiple Choice

What two types of measurements make up DENSITY?

Mass and Volume

Temperature and Mass

Grams and Centimeters

Volume and Weight

Multiple Choice

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

Multiple Choice

Frank has an eraser. It has a mass of 4 g, and a volume of 2 cm³. What is its density?

8 g/cm³

2 g/cm³

1/2 g/cm³

24 g/cm³

Multiple Choice

What is the formula for Volume?

Mass/Volume

Density x Volume

Mass/Density

Multiple Choice

What is the formula for Mass?

Mass/Volume

Density x Volume

Mass/Density

Multiple Choice

What is the volume of Object X?

10.0 cm³

15.0 cm³

20.0 cm³

25.0 cm³

Multiple Choice

What is the density of a plastic ball that has a volume of 6cm³ and a mass of 12g?

2g/cm³

.5g/cm_³

72g/cm³

4mL

Multiple Choice

What is the density of a book that has a mass of 400g and a volume of 600cm³?

1.5g/cm³

2400g/cm³

325mL

.7g/cm³

Multiple Choice

What is the volume of the rock?

30cm³

10cm³

40cm³

20cm³

Multiple Choice

The amount of space something takes up

density

volume

mass

matter

Multiple Choice

You can measure ______ with grams.

mass

volume

conductivity

melting point

Multiple Choice

A crayon has a mass of 10.0 g and volume of 5.0 mL. What is the density?

30 g/mL

15 g/mL

1.0 g/mL

2.o g/mL

Multiple Choice

A piece of copper has a mass of 89g and a volume of 10.0 cm3. What would be the density of the copper?

0.89 g/cm3

89 g/cm3

8.9 g/cm3

890 g/cm3

Multiple Choice

What is the volume of 150.0 grams of lead if it has a density of 11.3 g/cm³?

13.3 g

13.3 cm³

.075 g

1695 cm³

Multiple Choice

Calculate the mass of a substance which has a volume of 35.0 cm³ and a density of 0.50 g/cm³._{(All calculations should have the correct sig figs)}

17.5 g

0.014 g

18 g

70. g

Multiple Choice

Calculate the density in the following question: A star has a mass of 15 g and a volume of 25 mL.

0.7 g/mL

0.6 g/mL

0.5 g/mL

0.4 g/mL

Multiple Choice

In a density column, is the substance with the highest density on the bottom or the top?

Bottom

Top

Multiple Choice

In a density column, is the substance with the lowest density on the bottom or on the top?

Bottom

Top

Multiple Choice

Which of the following is the correct definition of density?

The amount of stuff in an object

The amount of space an object takes up

A measure of the force of gravity on an object

The amount of matter (mass) packed into a space (object)

Multiple Choice

Which object has the highest density in this picture?

Multiple Choice

Which object has the lowest density in this picture?

Multiple Choice

A student knows the mass of an object. What other variable does the student need to know to calculate the object's density?

Color

Weight

Volume

Length

Multiple Choice

M =

matter

Massachusetts

math

mass

Multiple Choice

V =

velocity

volume

vertex

vacuole

Multiple Choice

D =

diffusion

decay

decible

density

Multiple Choice

A bar of copper has a mass of 216g and a volume of 24 cm3. What is the density of copper?

9g/cm3

5184g/cm3

.11g/cm3

322mL

Multiple Choice

What two types of measurements make up DENSITY?

Mass and Volume

Temperature and Mass

Grams and Centimeters

Volume and Weight

Multiple Choice

If an object has a density of .6 g/mL and you put it into water, will it sink or float?

sink

float

Multiple Choice

If an object has a density of 3.6 g/mL and you put it into water, will it sink or float?

sink

float

Multiple Choice

Using the picture, tell me which object is the least dense and why?

The fish because he is in the middle

The cork because it is floating at the top of the water

The rock because it is at the bottom

The cork and the rock because they have the same about of atoms.

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