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WorksheetsStandard 3 & 4: Electricity and Magnetism Benchmark Test (A)
Total questions: 31
Worksheet time: 31mins
Name
Class
Date
1.
Static electricity occurs in everyday life. Which describes static electricity? Is there another way to test the ability of materials to conduct electricity?
a)
An electromagnet picking up a paper clip
b)
A balloon sticking to a wall.
c)
Hairs standing on en, repelling each other.
d)
Both B and C.
2.
Static electricity occurs in everyday life. Which describes static electricity?
a)
An electromagnet picking up a paper clip
b)
A balloon sticking to a wall.
c)
Hairs standing on en, repelling each other.
d)
Both B and C.
3.
Which statement describes an example of static electricity?
a)
A stove burner heats up.
b)
Sunlight heats a room through a window.
c)
A person presses a switch and turns on a light.
d)
A person touches a doorknob and gets shocked.
4.
A thunderstorm begins during a baseball game. The tall metal bleachers are filled with people watching the game. What will most likely happen next?
a)
The game will continue because the rain affects both teams equally.
b)
The game will continue because most people brought umbrellas.
c)
The people will be asked to leave the bleachers because a flood is expected.
d)
The people will be asked to leave the bleachers because lightening is expected.
5.
When lightening jumps from a cloud to the ground, it is similar to
a)
Getting a shock from a doorknob.
b)
Turning on an electric stove.
c)
Dissolving salt in water.
d)
Picking up nails with an electromagnet.
6.
Which change to a circuit will make a light bulb glow brighter?
a)
Increasing the length of the wires.
b)
Increasing the strength of the battery.
c)
Adding another switch to the circuit.
d)
Adding another light bulb to the circuit.
7.
Which item is an example of something that can be made into a temporary magnet?
a)
Plastic toothpick
b)
Wooden toothpick
c)
Steel needle
d)
Aluminum foil
8.
Why is an electromagnet a temporary magnet?
a)
It is too small.
b)
It lacks iron or steel.
c)
It is made by humans.
d)
It needs an electric current.
9.
What do Earth and magnets have in common?
a)
Both have liquid centers.
b)
Both have north and south poles.
c)
Both have an equator.
d)
Both have the same shape.
10.
A student made a compass with a magnetized needle. Which sentence should he write to explain how the compass will work?
a)
The magnetized needle will always stay in place.
b)
The magnetized needle will move in the direction of the magnetic pull.
c)
The magnetized needle will move away from the conductor and toward the insulator.
d)
The magnetized needle will only respond to Earth's magnetic pull.
11.
Why is Electromagnet 2 stronger than Electromagnet 1?
a)
Electromagnet 2 has a stronger wire.
b)
Electromagnet 2 has a shorter wire.
c)
Electromagnet 2 has more electricity.
d)
Electromagnet 2 has less electricity.
12.
Some monorail trains ride on a cushion of air by using
a)
Magnets
b)
Stream
c)
Gasoline
d)
Nuclear Energy
13.
Which tool is best for comparing a magnet's magnetic field and Earth's magnetic field?
a)
A microscope
b)
A telescope
c)
A protractor
d)
A compass
14.
What happens when a steel needle is rubbed in one direction on a bar magnet?
a)
The steel needle becomes dull.
b)
The steel needle is magnetized.
c)
The magnet cools down.
d)
The magnet is destroyed.
15.
The picture shows a compass with its needle pointing towards the southeast. A student places a bar magnet alongside the compass. In which position would the bar magnet have to place so that the compass needle would point east and west?
a)
1
b)
2
c)
3
d)
4
16.
Based on the chart, what type of magnet does paper clip A become?
a)
Electromagnet
b)
Natural
c)
Permanent
d)
Temporary
17.
What will happen when unlike poles of two magnets are pushed together?
a)
They will repel each other.
b)
They will attract each other.
c)
They will create an electric charge.
d)
Nothing noticeable will happen.
18.
A business wants to use a magnet to lift heavy pieces of metal from a train car and move the pieces to a storage bin. Which statement describes the magnet that would be best for this task?
a)
A bar magnet, because it always attracts.
b)
A bar magnet, because it can be turned off and on.
c)
An electromagnet, because it always attracts.
d)
An electromagnet, because it can be turned off and on.
19.
What is the most likely reason the telephone was able to be invented in 1876?
a)
Scientists did not need telephones before 1876 because of the telegraph.
b)
Scientists studied the properties of permanent magnets throughout the 1800's.
c)
Scientists invented telephones based on earlier discoveries of batteries and electromagnets.
d)
Scienctists required a full understanding of Earth's magnetic field before telephones could be invented.
20.
The diagram shows three magnets of similar size. Which question would best help a student compare the magnetic forces of the three magnets?
a)
Do all three magnets weigh the same amount?
b)
Do larger magnets have larger magnetic fields?
c)
Does a magnet's shape affect the strength of its field?
d)
Are some shape of a magnet used more often than others?
21.
Which concept best explains why combing hair sometimes causes it to stand on end?
a)
Static Electricity
b)
High Electricity
c)
Gravitational Pull
d)
Magnetic Repulsion
22.
Irena, Jimmy, and Ivan each designed an experiment to show which materials produce static electricity. Irena used balloons rubbed with wool. Jimmy ran a comb through his hair and held it next to running water. Ivan dragged his feet across the carpet for different amounts of time. What did all of these experiments show?
a)
Quick experiments work better than slow experiments.
b)
A lot of equipment is needed to produce static electricity.
c)
There are many ways of making static electricity.
d)
These experiments measure the amount of static electricity.
23.
A student wants to investigate how materials react to an electrically charged object. Which experiment should the student conduct?
a)
Fill a balloon with water and freeze it.
b)
Combine baking soda and vinegar to inflate a balloon.
c)
Build an incomplete circuit and use a balloon to complete the circuit.
d)
Rub a balloon on hair and then hold the balloon near several objects.
24.
A student is experimenting with a light in a circuit. She adds another battery to the circuit. How will adding another battery affect the circuit?
a)
The light will be dimmer.
b)
The light will be brighter.
c)
Both batteries will not last as long.
d)
Both batteries will have less power.
25.
What is the best way to safely find out whether a wooden stick will conduct electricity?
a)
Using a magnet, touch a stick. If the stick is magnetic it conducts electricity.
b)
Rub the stick against fur. If rubbing produces a crackling noise, the stick conducts electricity.
c)
Touch the point of the stick to one end of a battery. If the stick hums, it conducts electricity.
d)
Connect a 9 volt battery, a light bulb and the stick to make a circuit. If the light bulb glows, the stick conducts electricity.
26.
What is the load in the circuit?
a)
The white wire.
b)
The black wire.
c)
The light bulb.
d)
The battery.
27.
Walking across a carpet and then touching a metal doorknob may result in a small shock. Which phrase best explains what happens?
a)
The buildup and release of static electricity.
b)
The buildup and release of current electricity.
c)
The magnetic field of the metal door knob.
d)
The chemical change in the carpet.
28.
Which statement correctly describes why some socks attract after they are dried in a clothes dryer.
a)
The socks attract because of a magnetic field.
b)
The socks attract because of a chemical change.
c)
The socks attract because of static electricity.
d)
The socks attract because of current electricity.
29.
In some large factories, positively charged plates are placed in the smokestacks to attract smoke particles. Which type of smoke particles would positively charged plates most strongly attract?
a)
Magnetic
b)
Insulated
c)
Positive
d)
Negative
30.
Identify Object X.
a)
A pathway
b)
A power source
c)
A switch
d)
A load
31.
What will happen to the light bulb when battery B is added to the circuit?
a)
The light bulb will not light.
b)
The light bulb will be dimmer.
c)
The light bulb will be brighter.
d)
The light bulb will flicker.
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