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Worksheets

YEAR 9 SCIENCE- PHYSICS

Total questions: 120

Worksheet time: 2hrs 31mins

Name
Class
Date
1.

This is an example of a -------- circuit.

a)

Series

b)

Parallel

c)

Combination

2.

This is an example of a -------- circuit.

a)

Series

b)

Parallel

c)

Combination

3.

In this circuit, the bulb(s) that light up are:

a)

1 only

b)

2 only

c)

1 and 2

d)

None of them

4.

In this circuit, the bulb(s) that light up are:

a)

1 only

b)

2 only

c)

1 and 2

d)

None of them

5.

The bulbs have the same resistance. The brightest bulb in this circuit is:

a)

1 only

b)

2 only

c)

Same brightness

d)

None of them

6.

The bulbs have the same resistance. The brightest bulb is:

a)

1 only

b)

2 only

c)

1 and 2

d)

None of them

7.

This circuit shows:

a)

Conventional flow

b)

Electron flow

c)

Electricity

d)

This diagram is incorrect

8.

This diagram shows:

a)

Conventional flow

b)

Electron flow

c)

Electricity

d)

This diagram is incorrect

9.

This circuit will work.

a)

Yes

b)

No

10.

The fault in this circuit is the:

a)

Ammeter

b)

Cell

c)

Bulb

d)

There is no fault.

11.

The fault in this circuit is the:

a)

Bulb

b)

Cell

c)

Voltmeter

d)

There is no fault.

12.

The bulbs in this circuit have the same resistance. The reading on A2 is:

a)

4A

b)

2A

c)

1A

d)

No reading

13.

The bulbs in this circuit have the same resistance. The reading on V2 is:

a)

6V

b)

3V

c)

9V

d)

No reading

14.

The bulbs in this circuit have the same resistance. The reading on V1 is:

a)

6V

b)

12V

c)

9V

d)

No reading

15.

The bulbs in this circuit have the same resistance. The reading on A2 is:

a)

4A

b)

8A

c)

2A

d)

No reading

16.
what is this symbol for?
a)
light bulb
b)
switch
c)
battery
d)
resistor
17.
A series circuit has how many pathways for the electrons to flow?
a)
Two
b)
One
c)
Many
d)
Zero
18.
What is one problem with using a series circuit? 
a)
It has a lot of series. 
b)
If one light goes down, they all go down! 
c)
It doesn't work properly.
d)
There are no problems. 
19.
What is a benefit of using a parallel circuit?  
a)
It gets confusing.
b)
There are no problems.
c)
If one light goes out, it does not affect the others. 
d)
If one light goes out, they all go out. 
20.
In most electrical circuits, the pathway is made of:
a)
Wood
b)
Plastic
c)
Metal
d)
Static
21.
If the voltage across the battery was 10V in this diagram. What would the voltage across each bulb be?
a)
10V
b)
5V
c)
20V
d)
0V
22.
An ammeter is a device that can be used to measure
a)
Current
b)
Voltage
c)
Resistance
d)
Power
23.
A voltmeter is described as a device that can be used to measure
a)
Voltage
b)
Current
c)
Resistance
d)
Power
24.

The amount of "push" available to move electrons is _____

a)

Current

b)

Resistance

c)

Voltage

d)

Static Electricity

25.

The continuous flow of electrons is ______

a)

Current

b)

Static electricity

c)

Voltage

d)

Resistance

26.

The opposition to electron movement

a)

Voltage

b)

Static electricity

c)

current

d)

Resistance

27.

If a bulb is added between the battery and the switch, ____

a)

The bulbs get brighter

b)

The bulbs get dimmer

c)

The bulb brightness stays the same

d)

All the bulbs go out

28.

If you add another bulb in parallel,_____

a)

The bulbs get brighter

b)

The bulbs get dimmer

c)

The bulb brightness stays the same

d)

All the bulbs will go out

29.

Devices in a parallel circuit receive

a)

equal current but different voltage

b)

equal voltage but different current

c)

equal voltage and equal current

d)

different voltage and different current

30.

Devices in a series circuit receive

a)

Equal current but different voltage

b)

Equal voltage but different current

c)

Equal voltage and equal current

d)

different voltage and different current

31.

Which of the following has the greatest resistance?

a)

long, thin wires

b)

Short, thick wires

c)

long, thick wires

d)

short, thin wires

32.

lowing has the least resistance?

a)

Long, thin wires

b)

Short, thick wires

c)

Long, thick wires

d)

Short, thin wires

33.

In a parallel circuit

a)

All devices receive the same current

b)

There are 2 or more paths for current to flow

c)

All devices always go on and off together

d)

Each device operates with a different voltage

34.

A light switch

a)

is a resistor

b)

opens and closes a circuit

c)

changes voltage

d)

generates electricity

35.
What is the Voltage of a circuit that has a resistance of 5 Ω and a current of 2 A?
a)
25 V
b)
10 V
c)
2.5 V
d)
0.4 V
36.

If a battery produced 12.6 Volts what would be the current flow for a 6 Ohm resistor?

a)

2.1 Amps

b)

2.4 Amps

c)

1.71 Amps

d)

15 Amps

37.
How many Volts would we need to produce a current flow of 8 Amps through a 6 Ohm resistor
a)
12 volts
b)
24 volts
c)
1.3333
d)
48 volts
38.
This circuit has a 24 volt battery and the resistor is 8 ohms. How many amps are running through the circuit?
a)
3 Amps
b)
192 Amps
c)
2 Amps
d)
4 Amps
39.
Which letter represents the wave trough?
a)
A
b)
B
c)
C
d)
D
40.
Sound travels fastest through
a)
solids
b)
liquids
c)
gases
d)
empty space
41.
What is measured from crest to crest or trough to trough?
a)
Frequency
b)
Amplitude
c)
Wavelength
d)
Origin
42.
The number of wavelengths that pass a point each per second is:
a)
frequency
b)
period
c)
longitudinal 
d)
transverse wave 
43.
Which wave in the diagram has the greatest frequency?
a)
1
b)
2
c)
3
d)
4
44.
The SI unit for frequency is ________.
a)
m
b)
m/s
c)
hertz
d)
s
45.

As the wavelength of the wave increases, the frequency ..........................

a)

decreases

b)

increases

c)

fluxuates

d)

remains the same

46.

how is sound created?

a)

when something vibrates or moves back and forth quickly

b)

when particles zoom around

c)

ups and downs in volume

47.

a soundwave has two parts...

a)

compressions and rarefactions

b)

ups and downs

c)

left and right

d)

potato

48.
Highest point of a wave
a)
crest
b)
trough
c)
wavelength
d)
frequency
49.
What does pitch depend on?
a)
amplitude 
b)
frequency
c)
intensity 
d)
volume of sound
50.
The shorter the wavelength the 
a)
shorter the frequency
b)
higher the freuqnecy
c)
frequency stays the same
d)
less energy
51.
What property of the wave is represented by the letter "B"?
a)
amplitude
b)
crest
c)
trough
d)
wavelength
52.
A mechanical wave cannot travel through...
a)
a vacuum(empty space).
b)
water.
c)
air. 
d)
glass.
53.
What is interference?  
a)
occurs when two or more waves overlap and combine 
b)
occurs when two or more waves combine and neutralize each other 
c)
when one waves travels alone
54.
Which wave behavior do noise cancelling headphones use?
a)
diffraction
b)
refraction
c)
constructive interference
d)
destructive interference
55.
A guitarist strums two strings on a guitar. The first string vibrates more quickly than the second string. What is true about the pitch of the string?
a)
The first string has a higher pitch than the second string
b)
The second string has a higher pitch that the first string.
c)
The first string and the second string have the same pitch.
d)
The pitch of the second string depends on the pitch of the first string.
56.
If two overlapping waves are in-phase, the resultant wave will have ______ compared to the two waves.
a)
Greater amplitude
b)
Greater frequency
c)
Greater wavelength
d)
Greater wave speed
57.
When the crests of two waves combine in one single wave... It's called?
a)
Combined Wave
b)
Interference
c)
Destructive Interference
d)
Constructive Interference
58.

What type of interference is represented in this diagram?

a)

Constructive

b)

Destructive

59.

What type of interference is represented in the diagram?

a)

Constructive

b)

Destructive

60.
Stars are formed in a large cloud of gas and dust called a
a)
cumulonimbus cloud
b)
nebula
c)
neutron star
d)
black hole
61.
Nebula's are mixtures of gases and what?
a)
clouds
b)
stars
c)
tiny particles
d)
dust
62.
the planets of the solar system formed as 
a)
the center of the gas cloud cooled
b)
planetesimals flattened into a rotating disk
c)
planetesimals collided into one another
d)
the sun absorbed extra gas and dust from the solar system
63.
A nebula starts to collapse because of:
a)
A nearby star shining it's light
b)
A passing spaceship
c)
A passing comet
d)
Gravity
64.
A nebula starts to move because:
a)
A nearby supernova
b)
A nearby star
c)
A passing spaceship
d)
A passing comet
65.
How do stars generate energy?
a)
Fusion of hydrogen and helium atoms
b)
Fission of hydrogen and helium atoms
c)
Burning hydrogen
d)
Burning helium
66.
Nebulae are considered "Stellar Nurseries" because...
a)
Planets are created from the gases
b)
Stars form from them
c)
Asteroids are formed from them
67.
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
68.
How much water has been displaced in the image shown?
a)
40 mL
b)
65 mL
c)
20 mL
d)
25 mL
69.
How much water has been displaced in the image shown?
a)
80 mL
b)
100 mL
c)
20 mL
d)
60 mL
70.
Find the density of a 2 cm x 2 cm x 2 cm cube with a mass of 64 g.
a)
6 cm3
b)
12 g/cm3
c)
128 g/cm3
d)
8  g/cm3
71.
Find the volume of the given figure.
a)
308.9 cm3
b)
308.2 cm3
c)
312.8 cm3
d)
302.9 cm3
72.

As part of a lab experiment, Tasha drops a metal cube into a beaker of water, as shown in the figure below.


After energy in the form of heat transfers between the substances, what is the final temperature of the water?

a)

The final temperature is 25 °C because there is more water than metal.

b)

The final temperature is 50 °C because the metal warms the water to the temperature of the metal.

c)

The final temperature is between 25 °C and 50 °C because energy is transferred from the metal to the water.

d)

The final temperature is between 25 °C and 50 °C because most of the thermal energy is lost to the air around the substances.

73.

The water in Mario’s swimming pool absorbs energy as heat during the day. Which of the following would the water in the pool be most likely to do?

a)

condense

b)

evaporate

c)

freeze

d)

melt

74.

Emerson places a beaker of water on a hotplate and turns the hotplate on. The temperature in the room is 25 ºC. After the water heats to 75 ºC, she adds pieces of ice to the beaker.


Which of the following describes a transfer of heat energy that occurs during this experiment?

a)

from the air to the water

b)

from the ice to the beaker

c)

from the water to the ice

d)

from the water to the hotplate

75.

How does the thermal energy of the liquid in the larger beaker compare to the thermal energy of the liquid in the smaller beaker?

a)

The liquid in the larger beaker has less thermal energy than the liquid in the smaller beaker.

b)

The liquid in the larger beaker has more thermal energy than the liquid in the smaller beaker.

c)

The liquid in the larger beaker has the same amount of thermal energy as the liquid in the smaller beaker.

d)

The exact volume of the liquid in each beaker must be known to compare the thermal energy of the liquids.

76.

Which description defines heat?

a)

total thermal energy of an object or substance

b)

change in the temperature of a substance in degrees Celsius

c)

energy transferred between objects at different temperatures

d)

average kinetic energy of the particles that make up a substance

77.
When you touch something that feels cold, 
a)
heat from your hand moves into the cold substance.
b)
coldness moves from the cold substance into your hand.
c)
it melts.
d)
it freezes.
78.

The pan is made of iron. The handle is NOT too hot to touch. What might the pan's handle be made of?

a)

copper

b)

aluminum

c)

wood

d)

iron

79.

Rahma got an ice cream from her mom. The ice cream melts under the sun because the ice cream ___________.

a)

gains heat from the sun

b)

loses heat to the sun

c)

cannot withstand the heat from the sun

d)

produce too much heat

80.

A device that measures temperature. 

a)
Thermal energy
b)
Temperature
c)
Thermometer
d)
Heat
81.
The faster molecules move, 
a)
the higher the temperature
b)
the less temperature
c)
the same temperature
d)
I don't know
82.
How heat is transfered?
a)
From high to low temperature
b)
From low to high
c)
Up to down
d)
Left to right
83.

According to the law of conservation of energy, energy can be created or destroyed.

a)

True

b)

False

84.

According to the law of conservation of energy, the total amount of energy in the universe ____.

a)

remains constant

b)

changes constantly

c)

increases

d)

decreases

85.

How does heat energy from the Sun reach Earth?

a)

radiation

b)

solar wind

c)

conduction

d)

convection

86.

Sarah is stirring her hot chocolate with a metal spoon, and she notices that the spoon is getting hot. This is most likely caused by which type of heat?

a)

conduction

b)

convection

c)

radiation

d)

insulation

87.

Molecules in cold things move more _________

than in hot things.

a)

quickly

b)

slowly

c)

speedy

d)

Rapidly

88.
You're holding hands with your best friend.  Your friend's hands are REALLY warm and yours are really cold.  After a few minutes, this has changed.  How might you explain what happened?
a)
The cold energy from your hand transferred to your friend's hand through conduction.
b)
The heat energy from your friend's hand transferred to your hand through conduction. 
c)
The cold energy from your hand transferred to your friend's hand through convection.
d)
The heat energy from your friend's hand transferred to your hand through convection.
89.

The Kinetic Molecular theory states that

a)

all matter is made of particles

b)

particles are in constant motion

c)

particles collide with each other & their containers

d)

all the above

90.

Which heat transfer is being shown in box #2?

a)

conduction

b)

radiation

c)

convection

d)

freezing

91.

Which heat transfer is being shown at box #1?

a)

conduction

b)

radiation

c)

convection

d)

heat

92.

Which heat transfer is being shown in box #3?

a)

conduction

b)

radiation

c)

convection

d)

vaporization

93.

Evaporation is the change of state from ___________ to __________

a)

liquid to gas

b)

solid to liquid

c)

gas to liquid

94.

What factors affect the rate of evaporation?

a)

Temperature only

b)

Temperature and Wind only

c)

Temperature, Wind and Exposed Surface Area

d)

None of the above

95.

When you spray a perfume on your palm, the liquid get evaporated after some time and you will feel cool. This is because evaporation give .....

a)

heating effect

b)

magnetic effect

c)

cooling effect

d)

warming effect

96.

What will happen if you do an experiment with two bottles of water and one of them is covered with cap and the other is with no cap?

a)

The one with no cap will go less and the particles do not like to be together so they go up and turn to gas.

b)

The one with cap will go less and the particle do not like to be together so they go up and turn to gas.

97.

Which of the following does NOT provide evidence for the Theory of Plate Tectonics?

a)

Similar fossils found on different continents

b)

Continents seem to fit together

c)

Traces of glacial activity found on different continents

d)

Different types of rocks found on different continents

98.

The source of energy that drives or causes tectonic plate movement is

a)

convection currents in the mantle

b)

subduction of oceanic crust

c)

plates grinding past one another

d)

slab pull

99.

This movement of tectonic plates will MOST likely cause

a)

mountains to form

b)

seafloor spreading

c)

an earthquake

d)

a rift valley

100.

What causes the tectonic plates to move?

a)

rotation of the Earth

b)

convection currents

c)

earthquakes

d)

gravity from the core

101.

The Earth's surface is divided into

a)

several oceanic plates

b)

oceanic and continental plates

c)

continental and crustal plates

d)

seven continental plates

102.

Why does the continental crust rise over the oceanic crust?

a)

The continental crust is less dense.

b)

The oceanic crust is thinner.

c)

The continental crust is not made of granite.

d)

The oceanic crust is younger.

103.

Alfred Wegener proposed the idea of

a)

the Big Bang theory.

b)

the theory of Plate Tectonics.

c)

biodiversity.

d)

natural selection.

104.

Looking at the diagram, where do think most earthquakes would most likely occur?

a)

in the center of tectonic plates

b)

along the boundaries of tectonic plates

105.
What is this a picture of?
a)
plate tectonics
b)
continental drift
c)
pangea
d)
glacier scaring
106.
Which explains that the continents were once joined together and over time they broke up and then drifted apart?
a)
Plate Tectonic Theory
b)
Continental Drift 
107.
Evaluating the relationship between scientific laws, theories, and hypothesis, one can say
a)
Scientific hypothesis can became laws
b)
Scientific theories can became laws
c)
Scientific laws can be changed
d)
Scientific hypothesis can became theories
108.
Subduction zones occur on Earth where dense oceanic crust dives under more buoyant continental crust. These boundaries are characterized by a deep ocean trench next to a high continental mountain range, large numbers of earthquakes and volcanoes. All of this is further evidence for the
a)
big bang theory.
b)
theory of plate tectonics.
c)
origin of the species.
d)
theory of natural selection.
109.

The collision theory suggests that an object called Theia collided with Earth. Which of these planets is closest in size to Theia?

a)

Earth

b)

Moon

c)

Venus

d)

Mars

110.

The collision theory for the formation of the Moon describes an object the same size as Mars. What was this object?

a)

an asteroid

b)

a newly formed star

c)

a newly formed planet

d)

a comet from outside the Solar System

111.

The collision theory is a theory of how the Moon was formed. It refers to a collision that happened relatively soon after the formation of the ...?

a)

universe

b)

Solar System

c)

Milky Way

d)

Moon

112.

Which evidence supports the collision theory?

a)

The Moon has a small iron core, similar to the Earth

b)

Venus has no moon

c)

The Moon is Earth's only permanent natural satellite

d)

The surface of the Earth does not appear to ever have been molten

113.

Which evidence contradicts the collision theory?

a)

Samples of rock from the Moon show that its surface was once molten

b)

Similar collisions causing rings of rock and dust outside the Solar System

c)

The collision theory fits with the theory of how the Solar System was formed

d)

None of them

114.

Nebulae are clouds of ... ?

a)

Phineas and Ferb

b)

dust and gas

c)

Bonnie and Clyde

d)

atoms and molecules

115.

Nebulae are primarily composed of what element?

a)

Hydrogen

b)

Helium

c)

Iron

d)

Oxygen

116.

Which of these statements is correct?

a)

all nebulae act as stellar nurseries

b)

only some nebulae act as stellar nurseries

c)

no nebulae ever act as stellar nurseries

d)

most nebulae are smaller than the Sun

117.

"Nebula" is Latin for ___

a)

cloud

b)

gas

c)

glow

d)

colour

118.

What force acted on the massive nebula to collapse it and eventually form our sun?

a)

electrostatic force

b)

gravity

c)

friction

d)

strong force

119.
Electrical circuits are comprised of a power source, wires, a load and a switch.  What physical property of the wire makes it function?
a)
solubility
b)
density
c)
conductivity
d)
magnetism
120.

As the mass of an object increases, the force needed to move it:

a)

decreases

b)

increases

c)

stay the same

d)

works

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