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Science Unit 1 Test

Total questions: 50

Worksheet time: 1hrs 18mins

Name
Class
Date
1.

"The ability to make things happen" is the definition of what word?

a)

motion

b)

energy

c)

friction

d)

matter

2.

Batteries store energy as chemical energy.

a)

True

b)

False

3.
Electricity transfers ______ from place to place.
a)
energy
b)
matter
c)
both of these
d)
none of these
4.

Which is an example of energy moving an object from place to place?

a)

water in a bowl

b)

wind blowing a grain of sand

c)

a batter ready to hit a baseball

d)

a drummer ready to hit a drum

5.

Sydney went to her friend's house and pushed the button for the doorbell. What produced the sound she heard?

a)

The energy of her push sent an electric current into the air

b)

The energy from her push transformed directly into sound waves

c)

The force of her push OPENED a circuit and caused a hammer to hit a bell

d)

The force of her push CLOSED a circuit and caused a hammer to hit a bell.

6.
What is the possible or stored energy in an object called?
a)
Thermal Energy
b)
Kinetic Energy
c)
Chemical Energy
d)
Potential Energy
7.
What is thermal energy?
a)
energy from sound
b)
potential energy in chemical compounds
c)
the movement of electrons
d)
heat
8.
Which of the following is an example of radiant energy?
a)
the Sun
b)
a car
c)
a plate of spaghetti
d)
knocking over a glass of water
9.
Which of the following has the most potential energy?
a)
A car at the top of a hill
b)
A car speeding down the hill
c)
A person at the top of a hill
d)
An acorn falling off a tree
10.
What is kinetic energy?
a)
The energy an object has due to its motion
b)
The stored energy of an object due to its position or condition
c)
The energy an object might ahve if it existed
d)
zombies on the roof
11.
What is an example of kinetic energy at work?
a)
A ball lodged in a tree
b)
A frisbee flying through the air
c)
A car in the garage
d)
a booger in the nose
12.
What would have the greatest kinetic energy?
a)
A car driving down a hill
b)
A person running down a hill
c)
A  ball rolling down a hill
d)
A bowl of cereal on the table
13.
Can you create or destroy energy?
a)
Yes
b)
No
c)
only if you are really strong
14.
I have the most energy if I am:
a)
Running
b)
Walking
c)
Eating
d)
Crawling
15.
True or False: The arrow has mostly potential energy.
a)
True
b)
False
16.

A magnet will pick up an object that is made of...

a)

plastic

b)

iron or steel

c)

glass

d)

copper

17.

The area around a magnet is called the .....

a)

attraction zone

b)

work area

c)

magnetic field

d)

hot zone

18.

Bar magnets have two poles. What are they?

a)

north and south

b)

red and blue

c)

east and west

d)

red and green

19.

Like poles __________ each other while unlike poles ___________ each other.

a)

attract, repel

b)

repel, attract

c)

oppose, connect

d)

connect, oppose

20.

What does repel mean?

a)

magnets move toward each other

b)

magnets do not have magnetism

c)

magnets move away from each other

d)

magnets stick together

21.

Some metallic materials are magnetic and some are not. The following are made of metallic materials. Which one is magnetic?

a)

aluminum

b)

steel

c)

tin

d)

copper

22.

What happens if you hold the north poles of two different magnets close to each other?

a)

They will attract each other

b)

They will repel each other

c)

They will grow very hot

d)

Nothing will happen

23.

What happens if you hold the south pole of one magnet close to the north pole of another magnet?

a)

They will attract each other

b)

They will repel each other

c)

They will grow very hot

d)

Nothing will happen

24.

Bob placed Magnet X on Car 1 and Object Y on Car 2 as shown. He observed that the cars moved away from each other when they were placed near each other.


Which of the following statement(s) about Object Y is/are correct?


A: Object Y is a non-magnetic material.

B: Object Y is a magnetic material.

C: Object Y is a magnet.

a)

A only

b)

C only

c)

A and B only

d)

A and C only

25.

Magnet can attracts ....

a)
b)
c)
d)
26.
What would we call a nail that can pick up a paperclip because it is touching a magnet?
a)
temporary magnet
b)
poles
c)
force
d)
detector
27.
The force of magnetism is stronger when magnets are ________________
a)
cold
b)
round
c)
closer together
d)
farther apart
28.
The further two magnets are apart, the __________________ the force of magnetism.
a)
stronger
b)
weaker
c)
same
29.
Amy used a magnet to hold one piece of paper on the refrigerator. Later, she tried to use the same magnet to hold a stack of four pieces of paper, and the magnet wouldn't stick to the fridge. Why did this happen?
a)
The magnet needs glue
b)
The magnet couldn't hold due to the thickness of the paper
c)
Paper repels magnets
d)
A magnet isn't attracted to the refrigerator.
30.
Which is NOT a use of magnets?
a)
Generating electricity
b)
Holding cabinet doors closed
c)
Sorting paper from plastic
d)
Storing information on computer hard drives.
31.
This is a picture of a simple electromagnet. How can the electromagnet be made stronger?
a)
Add more coils of wire to the nail.
b)
Use a smaller battery.
c)
Reverse the poles of the magnet.
d)
Remove all the coils and the nail.
32.
What kind of magnet can be turned on and off?
a)
a refrigerator magnet
b)
an electromagnet
c)
magnetite
d)
iron
33.
A compass needle responds to a magnetic field, because the compass needle is a
a)
A. generator.
b)
B. motor.   
c)
C. magnet.
d)
D. transformer.
34.

What is magnetic force?

a)

A force exerted by electrically charged particles

b)

A force exerted by magnets that can be felt by objects near a magnet

c)

A force exerted by magnets that makes an object become electrically charged

d)

A force exerted by a magnet only when it physically touches an object

35.
What is the difference between a conductor and an insulator?
a)
An insulator allows electricity to flow through it easily and a conductor does not
b)
A conductor allows electricity to flow through it easily and an insulator does not.
c)
An insulator is magnetic and a conductor is not
d)
A conductor is magnetic and an insulator is not
36.
Is Iron a Conductor or Insulator?
a)
Conductor
b)
Insulator
37.
Is Wood a conductor or Insulator?
a)
Conductor
b)
Insulator
38.
Which is NOT an insulator.
a)
Wool
b)
Plastic
c)
Copper
d)
Glass
39.
A great conductor of energy is:
a)
wood
b)
plastic
c)
metal
d)
cloth
40.
Tatrys knows that the light bulb will turn on because the circuit:
a)
includes an insulator.
b)
is an open circuit.
c)
makes a complete path.
d)
includes a battery.
41.
You know that the object connected to the wires is a conductor because:
a)
The light bulb is glowing bright.
b)
It's a complete circuit.
c)
It's a closed circuit.
d)
The object is shiny.
42.
The plastic covering is there to:
a)
Provide a conductor for electrical energy to flow.
b)
Provide an insulator so that electrical energy will not pass outside of the wires.
c)
Provide a conductor so that electrical energy can NOT flow.
d)
Provide an insulator so that electrical energy can flow.
43.
What kind of circuit is this?
a)
series
b)
parallel
44.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
45.

Trees are renewable resources.

a)

True

b)

False

46.

Coal is a renewable resource.

a)

True

b)

False

47.

Water is a renewable resource.

a)

True

b)

False

48.

Natural resources form in nature. Which of the following is NOT a natural resource?

a)

oil

b)

coal

c)

plastic

d)

water

49.

Which is NOT true about renewable resources

a)

There is an never-ending supply of renewable resources.

b)

All renewable resources can be used to keep the earth cleaner.

c)

Using renewable resources can keep the environment more healthy.

d)

All renewable resources are bad for the environment.

50.

What is the job of a turbine?

a)

When it spins, it makes sparks causing electricity.

b)

It moves the energy from the flow of water to a generator.

c)

It slows down the speed of the water to keep it at a steady pace.

d)

It controls the water so it can be pumped back up the dam.

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