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Year 9 Physics CTA 2

Total questions: 87

Worksheet time: 2hrs 31mins

Name
Class
Date
1.

The units of force are:

a)

Joules

b)

Newtons

c)

Newtonmeters

d)

Newtons per meter squared

2.

Scalar means

a)

It has mass and direction

b)

It only has direction

c)

It only has direction

d)

It only has magnitude

3.
What does this graph represent?
a)
Constant Speed
b)
Acceleration
c)
Not moving
4.
What does this graph represent?
a)
Constant speed
b)
Acceleration
c)
Not moving
5.

Match the description to the graph:

"The car is stopped."

a)
b)
c)
6.

Match the description to the graph:

"The car is traveling at a constant speed."

a)
b)
c)
7.

Match the description to the graph:

"The car is coming back."

a)
b)
c)
d)
8.

Which of the graphs shows that both runners started in the same place?

a)

b)

9.

In which of the following graphs below did one runner overtake (run past) the other?

a)
b)
c)
d)
10.

Match the description to the graph:

"The car is slowing down."

a)
b)
c)
d)
11.
What two measurements are necessary for calculating speed?
a)
Mass and time
b)
Temperature and mass
c)
Mass and distance
d)
Distance and time
12.
A measurement of how fast an object is moving
a)
Velocity
b)
Speed
c)
Vector
d)
Acceleration
13.
Can be measured in meters (m)
a)
Distance
b)
Time
c)
Speed
d)
Acceleration
14.

Describe the motion in the graph:

a)

Constant Speed (positive slope)

b)

Stopped (at rest)

c)

Acceleration (increasing speed)

d)

Return Home (negative slope)

15.

A measurement of how fast an object is moving with direction

a)

Velocity

b)

Speed

c)

Vector

d)

Acceleration

16.

Which is faster?

a)

walking

b)

skating

c)

biking

17.

Which of these is not a scalar quantity?

a)

Weight

b)

Mass

c)

Temperature

d)

Time

18.

Which of these is not a vector quantity

a)

Weight

b)

Acceleration

c)

Distance

d)

Velocity

19.

What is the definition of a vector?

a)

It has both mass and direction

b)

It has both mass and displacement

c)

It has both magnitude and displacement

d)

It has both magnitude and direction

20.

What do we use to show vectors?

a)

Arrows

b)

Dotted lines

c)

Tangents

d)

The gradient

21.

Which of these is NOT a contact force

a)

Normal reaction forces

b)

Air resistance

c)

Tension

d)

Weight

22.

To calculate the weight of an object?

a)

Mass x gravitational field strength

b)

Mass / gravitational field strength

c)

Gravitational field strength / mass

23.

On a different planet you would(pick 2):

a)

have the same mass

b)

have the same weight

c)

have a different mass

d)

have a different weight

24.

weight and mass are the same thing

a)

No - mass is a function of gravity and weight is the atoms and molecules that make up the object

b)

No - weight is a function of gravity and mass is the atoms and molecules that make up the object

c)

Yes - they are both the same

d)

Maybe - it depends on the flux capacitor

25.

When the air resistance or drag is equal and opposite to the weight of the object you would call this

a)

terminal velocity

b)

gravitational weight

c)

flux capacitor

d)

rotational inertia

26.
When a car goes around a corner at 20 mph, why do we say it  accelerates?
a)
The car is accelerating because of the velocity is constant
b)
The car accelerates because it's going 20 mph
c)
Cars always accelerate when they are in motion
d)
The car is accelerating because it's changing direction
27.
Acceleration can be classified as _______________
a)
Speeding up
b)
Slowing Down
c)
Changing directions
d)
All of the above
28.
Acceleration is defined as the CHANGE in 
a)
time it takes for one place to move to another place. 
b)
velocity of an object.
c)
distance divided by the time interval 
d)
velocity divided by the time interval 
29.
A roller coasters accelerates from an initial velocity of 6.0 m/s to a final velocity of 70 m/s over 4 seconds.  What's the acceleration?
a)
24 m/s2
b)
18 m/s2
c)
16 m/s2
d)
16 m/s
30.
A golf ball accelerates off a tee at 15m/s2, changing its velocity from 0m/s to 50 m/s down the fairway. How long did it take the golf ball to accelerate?
a)
750 seconds
b)
35 seconds
c)
0.3 seconds
d)
3.3 seconds
31.

In which state of matter do particles have the most energy?

a)

solid

b)

liquid

c)

gas

d)

all of them

32.

Which is the change of state from liquid to solid

a)

melting

b)

freezing

c)

evaporation

d)

condensation

33.

In which process do particles escape from the liquid surface?

a)

evaporation

b)

condensation

c)

melting

d)

freezing

34.

What exerts a force for gas pressure?

a)

Collar

b)

Colour

c)

Collisions

d)

Conduction

35.

If a container can not expand what happens to the gas pressure when more particles are added into it?

a)

Increase

b)

Decrease

c)

Stays the same

d)

Nothing

36.

Here are the results from cooling a substance over a period of time. What is the melting point of this substance?

a)

89 oC

b)

80 oC

c)

67 oC

d)

0 oC

37.

The steam coming off the pot of boiling water is an example of....

a)

Melting

b)

Freezing

c)

Evaporating

d)

Condensing

38.

What does this picture represent?

a)

solid

b)

liquid

c)

gas

39.

What does this picture represent?

a)

solid

b)

liquid

c)

gas

40.
The molecules in the picture are tightly held together with little movement. They have shape and energy.  Therefore, the picture represents _________.
a)
solid
b)
liquid
c)
gas
d)
plasma
41.
When the temperature of matter increases the particles...
a)
speed up and move closer
b)
speed up and move farther apart
c)
slow down and move closer together
d)
slow down and move farther apart
42.

Which of the following statements describes a gas?

a)

It has a fixed volume

b)

It can be compressed

43.

Which of the following statements describes a liquid?

a)

It has a fixed volume

b)

It can be compressed

44.
My glass of ice water is sitting in the sun and has droplets of water on the outside of the glass. What is happening?
a)
condensation
b)
evaporation
c)
melting
d)
freezing
45.

What is the graph called?

a)

Melting and Boiling graph

b)

Temperature Graph

c)

Heating Curve of a substance

d)

Graph of Temperature and heating up

46.

At which point does the substance finish boiling

a)

B

b)

C

c)

E

d)

F

e)

D

47.

Increasing the temperature of a gas increases the store of which energy type of the particles?

a)

Potential Energy

b)

Chemical Energy

c)

Kinetic Energy

d)

Pressure

48.

In gases, pressure is

a)

directly proportional to volume

b)

inversely proportional to volume

c)

directly proportional to friction

d)

inversely proportional to heat

49.

Gas pressure is caused by

a)

Gas molecules heating up

b)

Gas molecules reacting with other gas molecules

c)

Gas molecules hitting the walls of a container

d)

Gas molecules hitting other gas molecules

50.

The temperature of gas is held constant, while its volume is decreased. The pressure exerted by the gas on the wall of the container increases, because its molecules

a)

Strike the walls with higher velocities

b)

Strike the walls with large farce

c)

Strike the walls more frequently

d)

Are in contact with the walls for a shorter time

51.

The pressure of the gas in the balloon in the ice water will be:

a)

Greater than that of the balloon in the boiling water.

b)

Less than that of the balloon in the boiling water.

c)

The same as that of the balloon in the boiling water.

d)

Not enough information to answer the statement.

52.

The reason gases can be compressed is because:

a)

The particles are very close together.

b)

The particles are merely vibrating.

c)

The particles are unable to move.

d)

The particles are very far apart.

53.
What two types of measurements make up DENSITY? 
a)
Mass and Volume
b)
Temperature and Mass
c)
Grams and Centimeters
d)
Volume and Weight
54.
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
55.
Which liquid is the least dense?
a)
oil
b)
water
c)
syrup 
d)
plastic bottle
56.
What is the formula for density?
a)
density = mass x volume
b)
density = mass / volume
c)
density = mass + volume
d)
density = mass - volume
57.
What is the volume of Object X?
a)
10.0 cm3
b)
15.0 cm3
c)
20.0 cm3
d)
25.0 cm3
58.
What units are used to measure Density?
a)
cm3/g
b)
g
c)
g/cm3
d)
cm3
59.

Why does the liquid inside a thermometer rise?


When the thermometer heats up, the liquid inside ...... because the particles move about ........

a)

expands, less quickly

b)

expands, more quickly

c)

contracts, less quickly

d)

contracts, more quickly

60.

For what reason do liquids flow so easily?

Because the particles.....

a)

are so tightly compacted to one another.

b)

can slide past one another.

c)

vibrate with one another.

d)

are so far apart from one another.

61.
Energy can not be created or destroyed!
a)
True
b)
False
62.

Chemical Energy is

a)

Energy stored due to the vibrations of the molecules of a substance. The hotter the substance, the greater the energy stored.

b)

Energy stored because of the chemical makeup of a substance e.g. foods, fuels, batteries

c)

Energy stored when a charged object is in an electric field (e.g. a charged balloon)

d)

Energy stored by objects due to their position above Earth's surface

63.

Elastic Potential Energy is

a)

Potential energy that is stored when an object is stretched or compressed (squashed)

b)

Energy stored by objects due to their position above Earth's surface

c)

Energy stored due to the vibrations of the molecules of a substance. The hotter the substance, the greater the energy stored.

d)

Energy stored when a charged object is in an electric field (e.g. a charged balloon)

64.
Electrical work
a)
energy transferred from a hotter object to a colder object
b)
Energy transferred by waves or vibrations e.g. light, sound, mechanical waves
c)
Energy transferred when a force moves an object
d)
Energy transferred when an electric current flows
65.
Electrostatic Energy
a)
Energy stored because of the chemical makeup of a substance e.g. foods, fuels, batteries
b)
Energy transferred by waves or vibrations e.g. light, sound, mechanical waves
c)
Energy stored when a charged object is in an electric field (e.g. a charged balloon)
d)
Energy stored by objects due to their position above Earth's surface
66.
Gravitational Potential Energy
a)
Energy stored by objects due to their position above Earth's surface
b)
Energy stored when a charged object is in an electric field (e.g. a charged balloon)
c)
Potential energy that is stored when an object is stretched or compressed (squashed)
d)
Energy stored because of the chemical makeup of a substance e.g. foods, fuels, batteries
67.
Heating
a)
Energy transferred when a force moves an object
b)
energy transferred from a hotter object to a colder object
c)
Energy transferred when an electric current flows
d)
Energy transferred by waves or vibrations e.g. light, sound, mechanical waves
68.
Kinetic Energy
a)
The energy an object has due to the speed in which it is moving
b)
Energy transferred when a force moves an object
c)
Potential energy that is stored when an object is stretched or compressed (squashed)
d)
Energy stored by objects due to their position above Earth's surface
69.
Magnetic Energy
a)
Energy stored by objects due to their position above Earth's surface
b)
Energy stored when a charged object is in an electric field (e.g. a charged balloon)
c)
Energy stored due to the vibrations of the molecules of a substance. The hotter the substance, the greater the energy stored.
d)
Energy stored when a magnetic object is in a magnetic field.
70.
Mechanical work
a)
Energy transferred when a force moves an object
b)
Energy transferred by waves or vibrations e.g. light, sound, mechanical waves
c)
energy transferred from a hotter object to a colder object
d)
Energy transferred when an electric current flows
71.
Nuclear Energy
a)
The energy an object has due to the speed in which it is moving
b)
Energy stored due to the vibrations of the molecules of a substance. The hotter the substance, the greater the energy stored.
c)
Energy stored in the nucleus of an atom
d)
Energy stored by objects due to their position above Earth's surface
72.
Radiation
a)
Energy transferred when an electric current flows
b)
Energy transferred by waves or vibrations e.g. light, sound, mechanical waves
c)
Energy transferred when a force moves an object
d)
energy transferred from a hotter object to a colder object
73.
What is an object or group of objects?
a)
systematic
b)
system
c)
suspect
d)
suspicious 
74.

What is the Equation for Work Done?

a)

Work Done = Force x Distance

b)

Work Done = Force / Distance

c)

Work Done = Distance / Force

75.

What is the Equation for Kinetic Energy?

a)

Kinetic Energy = 0.5 x Mass x Speed²

b)

Kinetic Energy = 0.5 x Mass² x Speed

c)

Kinetic Energy = 0.5 x Mass² / Speed

76.

What are Equations for Gravitational Potential Energy?

a)

Gravitational Potential Energy = Mass x Gravitational Field Strength x Height

b)

Gravitational Potential Energy = Weight x Height

c)

Gravitational Potential Energy = Mass x Gravitational Field Strength / Height

d)

Gravitational Potential Energy = Weight / Height

77.

An object's gravitational potential energy store can be increased by...

a)

by lifting the object higher

b)

increasing the velocity (speed) of the object

c)

decreasing the size of the object

d)

decreasing the mass of the object

78.

What is the efficiency of a light that produces 90J thermal energy, and 10J Light energy, for every 100J of electrical input?

a)

90%

b)

10%

c)

9%

d)

100%

79.

What is the extension of the spring?

a)

12cm

b)

10cm

c)

12mm

d)

10mm

80.
In the equation for kinetic energy, the units for mass, m, are...
a)
Joules, J
b)
kilograms, kg
c)
centimetres, cm
d)
grams, g
81.

To convert grams to kilograms

a)

multiply the grams by 100

b)

divide the grams by 100

c)

multiply the grams by 1000

d)

divide the grams by 1000

82.
In the equation for gravitational potential energy, the units for height are...
a)
miles, mi
b)
metres, m
c)
kilometres, km
d)
centimetres, cm
83.

To convert cm/s to m/s

a)

multiply the cm/s by 100

b)

divide the cm/s by 1000

c)

divide the cm/s by 100

d)

multiply the cm/s by 1000

84.
In the elastic potential energy equation, 'e' stands for...
a)
effort (how hard you pull the spring)
b)
electrical
c)
environmental
d)
extension (the amount the spring or object stretches or compresses by)
85.

Why do we insulate buildings?

a)

To slow down the rate of heat loss to surroundings

b)

Because it looks nice

c)

Because it's what all the cool kids do

86.

Is Nuclear energy, as a source of electricity, renewable or non-renewable?

a)

Non-renewable

b)

Renewable

87.

What is a disadvantage of using geothermal energy?

a)

Only available in select places

b)

Doesn't produce very much energy

c)

Extremely complex to set up

d)

Will one day run out

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