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Science 5 SE Revision 3

Total questions: 90

Worksheet time: 1hrs 8mins

Name
Class
Date
1.
Why do you put oven mitts on when you take something out of a hot oven?
a)
to make you hands look cute
b)
to keep your hands warm
c)
to keep them clean
d)
to protect your hands from the heat
2.
You just put a freshly baked cookie on your plate. You feel the plate get warmer. In which direction is the heat flowing to make the plate feel warm?
a)
from the cookie to the plate
b)
from your hand to the plate
c)
from your hand to the cookie
d)
from the plate to the cookie
3.
James is roasting a hot dog on a stick over a campfire. In which direction does the heat flow to cook his hotdog?
a)
from the air to the fire
b)
from the fire to the hotdog
c)
from the hotdog to the logs
d)
from the stick to the hotdog
4.
You grab a pint of ice cream out of the freezer. You hand are now super cold! Your mom tells you to rub your hands together. How could that help?
a)
your hands will create electricity
b)
your hands will trap heat inside them
c)
your hands will create friction, which will create heat
d)
your hands will reduce friction
5.
If you and your friends are pushing your bikes up a hill. Which will create the most friction?
a)
the bikes moving against the hill
b)
the bikes sitting at the top of the hill
c)
the wind pushing against the bikes
d)
your hands against the bikes
6.

Is this object being used more for light or heat?

a)

light

b)

heat

7.

Is this object being used more for light or heat?

a)

light

b)

heat

8.

Is this candle being used more for light or heat?

a)

light

b)

heat

9.

Is this object being used mostly for light or heat?

a)

light

b)

heat

10.

The ice is melting in the beaker in the diagram. Is the lamp being used more for heat or light?

a)

light

b)

heat

11.

Is this object being used more for light or heat?

a)

light

b)

heat

12.

A mirror _________________ light.

a)

absorbs

b)

reflects

c)

refracts

13.

If an object allows most light to pass through it then it is...

a)

transparent

b)

opaque

c)

translucent

d)

cold

14.

An object that blocks all of the light from passing through is...

a)

transparent

b)

clear

c)

opaque

d)

translucent

15.

This type of object lets some light through, but not all. It is not easy to see through this type of material.

a)

transparent

b)

translucent

c)

co-parent

d)

opaque

16.
How does light behave as it enters these mediums?
a)
continue its path as straight line.
b)
bends toward the normal
c)
bends away from the normal
d)
reflects
17.
What is this called?
a)
refraction
b)
reflection
c)
reconstroction
d)
retraction
18.

Which instrument can be found in photocopiers, DVD players, and cameras?

a)

laser

b)

lens

c)

prism

d)

mirror

19.

What is the best explanation for Mickey seeing himself in the mirror?

a)

refraction

b)

absorbed

c)

reflection

d)

flipped

20.

Why does the straw appear to be bent?

a)

light is reflected

b)

light is absorbed

c)

light is turned

d)

light is refracted

21.
When light bounces back it is _____
a)
Reflected
b)
Refracted
c)
Absorbed
d)
Optical Density
22.
a)
Reflection
b)
Refraction
23.
a)
Reflection
b)
Refraction
24.
We see shadows because light travels in a __________________ line.
a)
curved
b)
straight
c)
rainbow
25.

A student placed a pencil in a cup of water. The pencil appears broken because light

a)

always travels in a straight line.

b)

bends when it passes through water.

c)

makes the water in the glass evaporate.

d)

reflects the pencil on the water's surface.

26.

What type of energy is associated with heat?

a)

mechanical energy

b)

thermal energy

c)

sound energy

d)

light energy

27.

What two types of energy come out of a bulb?

a)

sound and heat

b)

light and heat

c)

light and mechanical

d)

heat and mechanical

28.

What type of energy comes out of a speaker?

a)

mechanical

b)

thermal

c)

light

d)

sound

29.

What do we call it when light bends?

a)

movement

b)

refraction

c)

absorb

d)

transmit

30.

When light passes through a lens it.....

a)

refracts

b)

moves

c)

absorbs

d)

transmits

31.

Which of the following is an example of an object that refracts light?

a)

mirror

b)

lens

32.

Which of the following is an example of an object that refracts light?

a)

mirror

b)

glasses

33.

Which of the following is an example of an object that refracts light?

a)

compact

b)

prism

34.

How can you tell work is being done on an object?

a)

it is motionless

b)

It is at rest

c)

It is moving

d)

It is still

35.
How does heat move to melt ice?
a)
from the ice to the water
b)
from the water to the ice
c)
from the water to the air
d)
from the air to the water
36.
If you are eating a Snickers bar outside on a cold day, how can heat move to melt the bar?
a)
from the bar to the air
b)
from the air to your hand
c)
from your hand to the bar
d)
from the bar to your hand
37.

What is the energy conversion when you plug in a stereo and listen to music?

a)

electrical to mechanical

b)

chemical to heat

c)

electrical to sound

d)

potential to sound

38.

What is the energy conversion when you burn wood for a fire?

a)

electrical to thermal

b)

light to kinetic

c)

chemical to thermal

d)

chemical to electrical

39.

What is the energy conversion when a wind turbine turns to provide energy to a power grid?

a)

electrical to potential

b)

potential to kinetic

c)

kinetic to electrical

d)

nuclear to heat

40.

What is the energy conversion when you plug in a fan?

a)

potential to kinetic

b)

potential to heat

c)

heat to electrical

d)

electrical to kinetic

41.

What is the energy conversion when you burn charcoal to cook food on a grill?

a)

thermal to chemical

b)

light to kinetic

c)

chemical to thermal

d)

chemical to nuclear

42.

The picture showing the energy conversion

Chemical → light & heat

is:

a)
b)
c)
d)
43.
Which type of energy is represented by a rubber band. 
a)
Thermal
b)
Elastic 
c)
Gravitational 
d)
Sound 
44.

The stored energy found in food, muscles, batteries and fuel are examples of which form of energy?

a)

Radiant energy

b)

Chemical energy

c)

Sound energy

d)

Thermal energy

45.
What unit is Energy measured in?
a)
Newtons 
b)
Joules 
c)
Grams 
d)
Volts
46.
Name the Energy Conversion of an unplugged Chromebook playing a video?
a)
Chemical→ Electrical → Thermal, Sound and Radiant 
b)
Electrical → Thermal, Sound and Radiant 
c)
Nuclear→ Electrical → Thermal, Sound and Motion
d)
Thermal → Electrical → Chemical, Sound and Radiant 
47.

which energy is caused by an objects vibrations

a)

thermal energy

b)

electrical energy

c)

chemical energy

d)

sound energy

48.

What kind of energy is represented in the picture?

a)

Heat

b)

Chemical

c)

Sound

d)

Nuclear

49.

A battery converts what type of energy to another?

a)

sound to kinetic

b)

light to heat

c)

kinetic to electrical

d)

chemical to electrical

50.
Which letter has the most gravitational potential energy?
a)
H
b)
E
c)
M
d)
Y
51.

Which of the following materials conducts heat well?

a)

metal

b)

glass

c)

plastic

d)

wood

52.

Burning your feet on the hot sand in the summer is an example of...

a)

Radiation

b)

Convection

c)

Conduction

53.

Less dense warm air rises and more dense cool air sinks in this kind of heat transfer...

a)

Radiation

b)

Conducation

c)

Convection

54.

Most pots and pans are metal or glass because...

a)

These materials are conductors that speed up heat transfer.

b)

These materials expand and contract a lot when heated and cooled.

c)

These materials are insulators that slow down heat transfer.

d)

These materials have very low mass so they can hold a lot of thermal energy.

55.

The sun's rays heating the earth is an example of...

a)

radiation

b)

convection

c)

conduction

56.

Touching a hot pot and burning your hand is an example of what kind of heat transfer?

a)

Radiation

b)

Conduction

c)

Convection

57.

Boiling water is an example of what kind of heat transfer?

a)

Radiation

b)

Conduction

c)

Convection

58.

Heat always travels...

a)

alone

b)

by air

c)

with a partner

d)

from hot to cold

59.

Heat energy is also known as

a)

Thermal Energy

b)

Kinetic Energy

c)

Potential Energy

60.
____________________ is the transfer of energy by electromagnetic waves.
a)
Radiation
b)
Conduction
61.
Heat that is transferred by the movement of currents within a fluid is called ____________________.
a)
Convection
b)
Conduction
62.
The only form of heat transfer that does not require matter is ____________________.
a)
Conduction
b)
Radiation
63.
Warm air rises and the cool air sinks demonstrates this type of heat transfer. 
a)
conduction
b)
convection
c)
radiation
d)
Insolation 
64.

The sun shines down on this family as they play on the beach.

a)

conduction

b)

convection

c)

radiation

65.

When a circuit is open, the circuit is _________?

a)

On

b)

Off

66.
In the picture, if you replace the paper clip with a plastic spoon, what happens? 
a)
The bulb doesn't light
b)
The bulb is dimmer
c)
The wires get hot
d)
There is no charge
67.

Why is electrical wiring usually made from copper?

a)

Because copper is shiny

b)

Because copper conducts electricity

c)

Because copper is not magnetic

d)

Because copper insulates electricity

68.

Jay uses various objects to complete a circuit. He compares how bright a bulb glows using each object. His results are shown here.

Which object is the BEST electrical conductor?

a)

nail

b)

eraser

c)

crayon

d)

pencil lead

69.

Philip needs to choose an item to use to complete a circuit he is making.


Which of the following items would be his BEST choice?

a)

metal coin

b)

glass bead

c)

plastic straw

d)

wooden toothpick

70.

The rubber coating on a wire cord is __________________ because it does not allow electricity to pass through to you.

a)

magnetic

b)

a conductor

c)

an insulator

d)

a circuit

71.
A series circuit has ____ path(s) that the electric current can take. 
a)
One
b)
Two 
c)
Three 
d)
Four
72.
In a parallel circuit, if one connection is broken, all of the connections stop working.
a)
True
b)
False
73.
this is the symbol for a _____?
a)
switch
b)
light 
c)
battery
d)
wires
74.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
75.
The picture shows an electrical circuit. This circuit is a series circuit because: 
a)
It has 3 light bulbs.
b)
The same current flows through all three light bulbs.
c)
It uses a single battery.
d)
The electrical current has more than one path to flow through
76.
What is a Parallel circuit? 
a)
Has only one path 
b)
Has more than one path 
c)
Allows energy to travel through easily 
d)
Has only one light bulb
77.
this circuit is .....?
a)
open
b)
parallel
c)
closed
d)
The cutest little circuit evah!
78.
What is a circuit?
a)
A constant flow of electricity 
b)
A path that a current can flow along
79.
If the electric circuit is CLOSED, the switch is _______. 
a)
ON
b)
OFF
80.

Why electrical wiring usually are covered with a layer of plastic?

a)

To make it look pretty

b)

To help electricity flow along the wire

c)

To make it safe

d)

To add more energy

81.

The picture shows a series circuit with three lit bulbs. How many of the bulbs will remain lit if the wire is cut at the point shown by the arrow? (5.6B)

a)

0

b)

1

c)

2

d)

3

82.
What is a current?
a)
A constant flow of electricity 
b)
A path that a current can flow along
83.
what is this symbol for?
a)
light bulb
b)
switch
c)
battery
d)
resistor
84.

What makes up an electric circuit?

a)

Bulb and battery

b)

Bulb, battery and switch

c)

Bulb, battery and wire

85.
Which diagram shows two bulbs in a series?
a)
1
b)
2
c)
3
d)
4
86.
A fifth grade class constructed this circuit.  Which of these objects most likely made the light glow when connected to points X and Y?
a)
plastic straw
b)
cotton string
c)
aluminum foil
d)
rubber eraser
87.
In most electrical circuits, the pathway is made of:
a)
Metal
b)
Plastic
c)
Static
d)
Wood
88.
What is the power source for this circuit?
a)
Battery
b)
Electric socket
c)
Wires
d)
Magic
89.
A circuit in which energy can freely flow.
a)
Closed Circuit
b)
Free Circuit
c)
Open Circuit
d)
Energy Circuit
90.
To have a complete electric circuit, the path must be _____
a)
small
b)
closed
c)
big
d)
open

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