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Density1234

Total questions: 104

Worksheet time: 2hrs 37mins

Name
Class
Date
1.

Paperclip!

a)

Sink

b)

Float

2.

Wooden log

a)

Sink

b)

Float

3.

Empty plastic bottle

a)

Sink

b)

Float

4.

Rock

a)

Sink

b)

Float

5.

State the units for mass

a)

cm

b)

ml

c)

kg

d)

s

6.

Name the piece of equipment used to measure mass

a)

Measuring cylinder

b)

Balance

c)

Thermometer

d)

Measuring tape

7.

What is meant by volume?

a)

How much space something takes up in 3D.

b)

How heavy something is.

8.

Give the units for volume

a)

cm

b)

kg

c)

cm3

d)

cm2

9.

What piece of equipment would you use to measure the volume of a liquid?

a)

Measuring tape

b)

Balance

c)

Ruler

d)

Measuring cylinder

10.

What two types of measurements make up DENSITY?

a)

Mass and Volume

b)

Temperature and Mass

c)

Grams and Centimeters

d)

Volume and Weight

11.
What is the formula for density?
a)
density = mass x volume
b)
density = mass / volume
c)
density = mass + volume
d)
density = mass - volume
12.
What two types of measurements make up DENSITY? 
a)
Mass and Volume
b)
Temperature and Mass
c)
Grams and Centimeters
d)
Volume and Weight
13.
Which liquid is the least dense?
a)
oil
b)
water
c)
syrup 
d)
plastic bottle
14.
Frank has an eraser. It has a mass of 4g, and a volume of 2cm3. What is its density?
a)
8 g/cm3
b)
2 g/cm3
c)
1/2 g/cm3
d)
24 g/cm3
15.
Frank has a paper clip. It has a mass of 9g and a volume of 3cm3. What is its density?
a)
3 g/cm3
b)
1/3 g/cm3
c)
27 g/cm3
d)
39 g/cm3
16.
Put the liquids in order from most dense to least dense?
a)
4, 3, 2, 1
b)
1, 2, 3, 4
c)
3, 4, 2, 1, 
d)
4, 3, 1, 2
17.
What is the volume of Object X?
a)
10.0 cm3
b)
15.0 cm3
c)
20.0 cm3
d)
25.0 cm3
18.
What units are used to measure mass?
a)
g
b)
cm3
c)
g/cm3
d)
cm3/g
19.
If an object has a density of 3.6 g/mL and you put it into water, will it sink or float?  
a)
sink
b)
float
20.
If an object has a density of .6 g/mL and you put it into water, will it sink or float?  
a)
sink
b)
float
21.
Jack has a rock. The rock has a mass of 14g and a volume of 2cm3. What is the density of the rock?
a)
7 mL
b)
7 g/cm3
c)
28 g/cm3
d)
1/7 g/cm3
22.
What two types of measurements make up DENSITY? 
a)
Mass and Volume
b)
Temperature and Mass
c)
Grams and Centimeters
d)
Volume and Weight
23.
What is the formula for density?
a)
density = mass x volume
b)
density = mass / volume
c)
density = mass + volume
d)
density = mass - volume
24.
Put the liquids in order from most dense to least dense?
a)
4, 3, 2, 1
b)
1, 2, 3, 4
c)
3, 4, 2, 1, 
d)
4, 3, 1, 2
25.
Why does ice float?
a)
Liquid water is less dense than solid water.
b)
Solid water is less dense than liquid water.
c)
Gaseous water is less dense than solid water.
d)
Liquid water is less dense than gaseous water.
26.
What units are used to measure Density?
a)
cm3/g
b)
g
c)
g/cm3
d)
cm3
27.
Frank has an eraser. It has a mass of 4g, and a volume of 2cm3. What is its density?
a)
8 g/cm3
b)
2 g/cm3
c)
1/2 g/cm3
d)
24 g/cm3
28.
Jack has a rock. The rock has a mass of 14g and a volume of 2cm3. What is the density of the rock?
a)
7 mL
b)
7 g/cm3
c)
28 g/cm3
d)
1/7 g/cm3
29.
Why do some substances float on water?
a)
they are warmer than water
b)
they are cooler than water
c)
they are more dense than water
d)
they are less dense than water
30.
Helium balloons rise on earth because
a)
helium is less dense than air
b)
helium is more dense than air
c)
helium is cooler than air
d)
helium is warmer than air
31.
What is the measuring unit for mass?
a)
centimeter 
b)
millimeter 
c)
grams 
d)
pounds
32.
Look at this image.  Which object has the LOWEST density in water? How? 
a)
The Ping Pong Ball because it floats to the top 
b)
The bolt because it has sunk to the bottom
c)
The soda cap because it is not just full of air like the Ping Pong ball
33.

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

a)

Bottom

b)

Top

34.

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

a)

Bottom

b)

Top

35.

Which of the following is the correct definition of density?

a)

The amount of stuff in an object

b)

The amount of space an object takes up

c)

A measure of the force of gravity on an object

d)

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

36.

Which object has the highest density in this picture?

a)

A

b)

B

c)

C

37.

Which object has the lowest density in this picture?

a)

A

b)

B

c)

C

38.

Which of the following is an example of an object with a low density?

a)

Pillow

b)

Bowling Ball

c)

Brick

39.

Which of the following is an example of an object with a high density?

a)

Pillow

b)

Bowling Ball

c)

Beach Ball

40.

Which of the following is the correct units for density?

a)

grams (g)

b)

Newtons (N)

c)

cm3

d)

g/cm3

41.

What is the density of an object if it has a mass of 6g and a volume of 3cm3? (Hint: Density = mass/volume)

a)

6 g/cm3

b)

3 g/cm3

c)

2 g/cm3

d)

1/3 g/cm3

42.

Does 1cup or 6cups of water have a higher density?

a)

1 cup

b)

6 cups

c)

They have the same density

43.

You calculated the density of an unknown substance to be 7.8g/cm3. According to the chart, which of the substances doe you most likely have?

a)

Zinc

b)

Copper

c)

Tin

d)

Iron

44.

What is the density of an object with a mass of 3g and a volume of 1cm3? (Hint: Density = mass / volume)

a)

1/3 g/cm3

b)

3 g/cm

c)

3 g/cm3

45.

You calculated the density of an unknown substance to be 5.7g/cm3. According to the chart, which of the substances do you most likely have?

a)

Aluminum

b)

Iron

c)

Tin

d)

Zinc

46.

Which substance is the most dense in this picture?

a)

Vegetable Oil

b)

Dish Soap

c)

Honey

d)

Corn Syrup

47.

Compared to material A, material B has different...

a)

Density

b)

Mass

c)

Phase

d)

Shape

48.

Which of the following substances would float in water? (Hint: water has a density of 1g/cm3)

a)

gold

b)

rubber

c)

water

d)

cork

49.

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

a)

Bottom

b)

Top

50.

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

a)

Bottom

b)

Top

51.

Which of the following is the correct definition of density?

a)

The amount of stuff in an object

b)

The amount of space an object takes up

c)

A measure of the force of gravity on an object

d)

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

52.

Which object has the highest density in this picture?

a)

A

b)

B

c)

C

53.

Which object has the lowest density in this picture?

a)

A

b)

B

c)

C

54.

Which of the following is an example of an object with a low density?

a)

Pillow

b)

Bowling Ball

c)

Brick

55.

Which of the following is an example of an object with a high density?

a)

Pillow

b)

Bowling Ball

c)

Beach Ball

56.

Which of the following is the correct units for density?

a)

grams (g)

b)

Newtons (N)

c)

cm3

d)

g/cm3

57.

What is the density of an object if it has a mass of 6g and a volume of 3cm3? (Hint: Density = mass/volume)

a)

6 g/cm3

b)

3 g/cm3

c)

2 g/cm3

d)

1/3 g/cm3

58.

Does 1cup or 6cups of water have a higher density?

a)

1 cup

b)

6 cups

c)

They have the same density

59.

You calculated the density of an unknown substance to be 7.8g/cm3. According to the chart, which of the substances doe you most likely have?

a)

Zinc

b)

Copper

c)

Tin

d)

Iron

60.

What is the density of an object with a mass of 3g and a volume of 1cm3? (Hint: Density = mass / volume)

a)

1/3 g/cm3

b)

3 g/cm

c)

3 g/cm3

61.

You calculated the density of an unknown substance to be 5.7g/cm3. According to the chart, which of the substances do you most likely have?

a)

Aluminum

b)

Iron

c)

Tin

d)

Zinc

62.

Which substance is the most dense in this picture?

a)

Vegetable Oil

b)

Dish Soap

c)

Honey

d)

Corn Syrup

63.

Compared to material A, material B has different...

a)

Density

b)

Mass

c)

Phase

d)

Shape

64.

Which of the following substances would float in water? (Hint: water has a density of 1g/cm3)

a)

gold

b)

rubber

c)

water

d)

cork

65.

Which two forces act on an object in water?

a)

gravity

b)

friction

c)

weight

d)

upthrust

66.

What happens if the weight of an object is equal to or less than the upthrust?

a)

It floats

b)

It sinks

c)

It spins

d)

It explodes!

67.

What is the scientific word for 'floating'

a)

levitating

b)

suspended

c)

buoyancy

d)

hovering

68.

What happens if the weight of an object is greater than the upthrust?

a)

it floats

b)

it sinks

c)

it bounces

d)

it vibrates

69.
Army tank tracks are useful for travelling through the mud because..
a)
they decrease the force the vehicle exerts on the ground
b)
they increase the force the vehicle exerts on the ground
c)
they decrease the pressure the vehicle exerts on the ground
d)
they increase the pressure the vehicle exerts on the ground
70.

Where would you find the largest pressure?

a)

At the bottom of the ocean

b)

At the top of Mt Everest

c)

Close to ground in Cuckfield

d)

In a rockpool on the Great Barrier Reef

71.
The amount of force pushing on an area is the definition of....
a)
Fluid
b)
Viscosity
c)
Barometer
d)
Pressure
72.
Look at the pressure triangle. How do we calculate the area?
a)
f ÷ a
b)
f x p
c)
p x f
d)
f ÷ p
73.
Pressure is measured in what units
a)
Newtons
b)
m/s
c)
Pascals
d)
Moles
74.
Pressure can be measured in Pascales (Pa) or Newtons per square metre.
1 Pa = 1N/m2
a)
True
b)
False
75.
How can we increase the gas pressure inside a sealed container?
a)
Increase the number of particles inside the container
b)
Increase the temperature
c)
Decrease the volume of the container
d)
All of these
76.

When you increase your depth under water, the water pressure on your body

a)

increases

b)

decreases

c)

stays the same

77.

A 20N weight is hung from a spring balance which reads 17N when it is completely submerged in water. What is the upthrust of the body of water?

a)

37N

b)

20N

c)

17N

d)

3N

78.

Diagram shows a U-tube filled with two liquids, X and Y which are immiscible. The heights of the liquid columns of X and Y from level P are 8 cm and 4 cm respectively. Which of the following statements is true?

a)

The density of X is less than the density of Y.

b)

The liquid pressure is higher in column X than in column Y at level P.

c)

The densities of liquids X and Y are equal.

79.

A submarine has a surface area of 300 m2.

The density of sea water is 1050 kg m–3.

At what depth under the sea, will the additionalpressure on the submarine be 5 × 105 Pa?

[Take g = 10 N kg–1]

a)

47.62 m

b)

67.62 m

c)

87.62 m

d)

57.62 m

80.

The figure below shows a reservoir on a hill. The reservoir supplies water to a water tank on a tall building.

Calculate the water pressure at X.

(Density of water = 1000 kg m–3)

a)

1.4×109 Nm–2

b)

1.4×102 Nm–2

c)

1.4×105 Nm–2

d)

1.4×108 Nm–2

81.

An object weighing 30 N displaces a volume of water with a weight 20 N. What will the object do?

a)

It will sink

b)

It will float

c)

It will fly

d)

None of these answers

82.
Diagram 10 shows a diver in the sea
Which physical quantity will increase when the diver dives deeper?
a)
Pressure
b)
Buoyant Force
c)
Atmospheric pressure
d)
Gravitational field strength
83.
Objects A-D are in water. Which is the most dense?
a)
A
b)
B
c)
C
d)
D
84.
Why do plants wilt?
a)
low turgor pressure
b)
high turgor pressure
c)
too much water
d)
no cell membrane
85.
What pressure does a 4000N horse exert on the ground if each foot is 10cm2?
a)
40 N/cm2
b)
100 N/cm2
c)
400 N/cm2
d)
10 N/cm2
86.
If the horse reared up on 2 legs what effect would it have on the pressure?
a)
it will exert half the pressure it did before
b)
it will exert the same pressure it did before
c)
it will exert twice the pressure it did before
d)
it will exert four times the pressure it did before
87.
Army tank tracks are useful for travelling through the mud because..
a)
they decrease the force the vehicle exerts on the ground
b)
they increase the force the vehicle exerts on the ground
c)
they decrease the pressure the vehicle exerts on the ground
d)
they increase the pressure the vehicle exerts on the ground
88.
Which of these animals would probably cause the greatest pressure on the ground?
a)
A fat cow with big feet
b)
A fat cow with small feet
c)
 A calf with big feet
d)
A calf with small feet
89.
How would you calculate the force to be used on a brake of area 0.5cm2 if the slave cylinder has a 4cm2 area and needs 800N to stop the car.
a)
4 x 800 x 0.5
b)
800/0.5 x 4
c)
0.5 x 4 x 800
d)
800 x 0.5 /4
90.
What is the equation used to calculate pressure?
a)
pressure= force/mass
b)
pressure =mass/volume
c)
pressure=area/force
d)
pressure=force/area
91.
What is the unit of measurement for pressure?
a)
pascal
b)
grams
c)
milliters
d)
meters
92.
Which of the following would increase the pressure on a system?
a)
Increase the Temperature
b)
Pump in more gas
c)
Decrease the volume
d)
All of these
93.

Diagram shows the design of a dam. Why does the thickness of the dam increase with its depth?

a)

The design of this structure is stronger.

b)

Water pressure increases with depth.

c)

The cost of construction is lower.

d)

Water pressure acts uniformly in all directions.

94.

In the image which hole will allow the water to travel furthest?

a)

A

b)

B

c)

C

95.

What is pressure?

a)

Force exerted on a surface per unit area

b)

force exerted on a surface per unit mass

c)

speed exerted on a surface per unit area

d)

gravity exerted on a surface per unit area

96.

 If the horse reared up on 2 legs what effect would it have on the pressure?

a)

it will exert half the pressure it did before

b)

it will exert the same pressure it did before

c)

it will exert twice the pressure it did before

d)

it will exert four times the pressure it did before

97.

Which of these animals would probably cause the greatest pressure on the ground?

a)

A fat cow with big feet

b)

 A calf with big feet

c)

A calf with small feet

d)

A fat cow with small feet

98.

What is the unit of pressure?

a)

Pascals

b)

Newton meter

c)

Kilogram

d)

Meter

99.

What will happen to air pressure as you climb up a mountain?

a)

stays same

b)

increase

c)

decrease

d)

none of above

100.

Where would pressure be the greatest?

a)

10 m deep in a lake at sea level

b)

top of a mountain 15,000 feet up

c)

5 m deep in a pond on a mountain

d)

on a hill in Oklahoma City (1,200 ft. above sea level)

101.

A box on the floor has a weight of 120 N. The surface area the box takes up is 4m2.

What is the pressure exerted by the box?

a)

30 Pa

b)

50 m2

c)

 50 Pa

d)

0.02 Pa

102.

What is the correct equation to calculate pressure?

a)

pressure = force × area

b)

pressure = force  ÷\div   area

c)

Force = pressure × area

d)

pressure = mass × area

103.

The diagrams show two divers swimming in the sea and two divers swimming in fresh water. Sea water is more dense than fresh water.

On which diver is there the greatest pressure?

a)

A

b)

B

c)

C

d)

D

104.

Four glass tanks contain water.

In which tank is the pressure of the water on the base greatest?

a)
b)
c)
d)

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