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Benchmark Review

Total questions: 32

Worksheet time: 29mins

Name
Class
Date
1.
If you replace the paper clip with a plastic spoon, what happens?
a)

The bulb doesn't work

b)
The bulb is dimmer
c)
The wires get hot
d)
There is no change
2.
Which one is a conductor? 
a)
wood 
b)
iron 
c)
plastic spoon 
d)
paper 
3.
Electricity is the flow of _________.
a)
Protons
b)
Neutrons
c)
Electrons
4.
A material in which electrons are able to move easily
a)
Circuit
b)
Insulator 
c)
Resistance 
d)
Conductor 
5.
The electrician in this picture is wearing rubber gloves for protection.  The purpose of the rubber gloves is to --
a)
keep the electrician dry
b)
create an electrical circuit
c)
produce electricity
d)
protect the electrician
6.
What types of charges attract?
a)
Positive and Positive
b)
Positive and Neutral
c)
Negative and Neutral
d)
Positive and Negative
7.
Lightning is _____.
a)
a buildup of neutrons
b)
harmless
c)
a high-voltage electric current
d)
a large discharge of static electricity
8.
The girl's hair and the comb are attracting  one another.  The hair and the comb have
a)
opposite charges
b)
like charges
9.
What are the components of a simple circuit?
a)
wires, switch, outlet
b)
battery, switch, motor
c)
wires, light bulb, motor
d)
wires, battery, light bulb
10.
Is burning wood a chemical or physical change?
a)
chemical
b)
physical
11.
Freezing juice is an example of a(n) ________
a)
physical change
b)
chemical change
c)
chemical reaction
d)
heredity
12.

What kind of change occurs if matter changes in amount, size, or shape?

a)

substance change

b)

chemical change

c)

physical change

d)

elemental change

13.

If a new substance has formed, which type of change has taken place?

a)

Physical Change.

b)

Chemical Change.

c)

No Change.

14.

If a new substance is not formed, which type of change has taken place?

a)

Physical Change.

b)

Chemical Change.

c)

No Change.

15.

If you baked cupcakes in your Science class, which type of change has taken place?

a)

Physical Change.

b)

Chemical Change.

c)

No Change.

16.

If an old car that has been sitting outside for many years begins to rust, which type of change is taking place?

a)

Physical Change.

b)

Chemical Change.

c)

No Change.

17.

If a puddle of water left from the storm dries up, which type of change has taken place?

a)

Physical Change.

b)

Chemical Change.

c)

No Change.

18.
Which statement is true?
a)
All Magnets have a North and South Pole
b)
All magnets can attract large objects
c)
Magnets can not pull through Solids.
d)
All Magnets have the Same shape and Size
19.
Which of these materials will a Magnet Attract?
a)
Plastic
b)
Iron
c)
Rubber
d)
Wood
20.
The South end of a Magnet will...
a)
Repel to a Copper Nail
b)
Repel to the North End of another Magnet
c)
Repel to the South end of another Magnet
21.
Which part of the Magnet is Strongest?
a)
Center
b)
Sides
c)
Poles
22.
The AREA around a magnet where you feel a pulling force.
a)
Gravity
b)
Magnetic Field
c)
Magnetism
23.
What kind of magnet can be turned on and off?
a)
refridgerator magnet
b)
electromagnet
c)
magnetite
d)
iron
24.
In order for an electromagnet to be formed, an __________ current must pass through a coil of __________ wrapped around an ________ core.
a)
wire, iron, electric
b)
electric, wire, iron
c)
iron, electric, wire
d)
excited, hair, apple
25.
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.
26.

What are the components of the electromagnets?

a)

battery, wire and bulb

b)

battery , copper wire and paper clips

c)

battery, copper wire and iron nail

d)

battery, wire and aluminum

27.

How do you make an electromagnet stronger?

a)

Add a motor and/or lightbulbs

b)

Add more light bulbs and/or wire coils

c)

add more wire coils and/or a switch

d)

add more wire coils and/or batteries

28.
What is the process that picks up and moves weathered rocks?
a)
Erosion
b)
Landslide
c)
Weathering
29.
What is weathering?
a)
The process by which
water, ice, wind or gravity
moves fragments of rock
and soil.
b)
The process by which
water, ice, wind or gravity
deposit rock sediments
and soil in a new place.
c)
The breaking down of
Earth’s crust into smaller
and smaller pieces.
30.

Which of the following techniques should farmers use to prevent erosion?

a)

leave the field unplanted for a season to increase minerals

b)

plant rows of trees around the edge of the crop field

c)

water crops with only distilled water

d)

spray pesticides around the base of each crop

31.

Which of the following is not an example of the use of satellites in science?

a)

studying Earth's features

b)

wireless communication

c)

collecting weather information

d)

collecting samples on other plantets

32.
What technology is used to measure the energy released from an earthquake?
a)
Siesmometers
b)
satellites
c)
Seismographs
d)
paw patrol