Free Printable Electricity

1.

A material that allows current or heat to flow through it is called a ...

a)

Electron

b)

Insulator

c)

Conductor

d)

Proton

2.

A material that does not allow current or heat to flow it easily is called a ...

a)

Insulator

b)

Conductor

c)

Electron

d)

Proton

3.

This circuit does not work because…

a)

the bulbs are not connected properly

b)

the single cell is not powerful enough

c)

there is a break in the circuit

d)

there is a short circuit

4.

when the switch is closed.....

a)

both bulbs TURN ON

b)

both bulbs STAY ON

c)

both bulbs TURN OFF

d)

both bulbs STAY OFF

5.

a)

all bulbs are lit equally

b)

the two top bulbs are brighter

c)

the single lower bulb is brighter

d)

the single bulb does not light and the other two are dim

6.

a)

A₂ = A₃

b)

A₂ + A₃ = A₁

c)

A₁ + A₂ = A₃

d)

A₄ = A₂ - A₃

7.

Current is measured in....

a)

Amps

b)

Volts

c)

Ohms

d)

Coulombs

8.

What 'flows' in a wire?

a)

Protons

b)

Neutrons

c)

Atoms

d)

Electrons

9.

brass is a _____?

a)

insulator

b)

conductor

10.

this is the symbol for a _____?

a)

switch

b)

light

c)

battery

d)

wires

11.

How should you put in an Ammeter?

a)

In Parallel

b)

In Series

12.

Which of the two circuits would have the brightest bulbs?

a)

A

b)

B

13.

In which of these two circuits is the current the same at all points?

a)

A

b)

B

14.

Does this diagram represent a series or parallel circuit?

a)

series circuit

b)

parallel circuit

15.

Does this diagram represent a series or parallel circuit?

a)

series circuit

b)

parallel circuit

16.

Voltage is measured in __.

a)

volts.

b)

watts.

c)

coulombs.

17.

What would the voltmeter read

a)

1V

b)

2V

c)

3V

d)

6V

18.

Which Voltmeter will give the lowest reading?

a)

V1

b)

V2

c)

V3

19.

Resistance is a measure of....

a)

the energy per unit charge in a circuit

b)

how hard it is for electrons to move through the circuit

c)

how hard it is for electrons to move through the battery

d)

the number of charge carriers in a circuit

20.

The unit used to measure the electric potential of a battery is called...

a)

current

b)

electricity

c)

volt

21.

This is needed in a circuit to start the electrons moving.

a)

light

b)

power source

c)

switch

d)

wire

22.

Ms. S set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. What is the dependent variable?

a)

Distance traveled by the ball

b)

Height of the ramp

c)

Mass of the ball

d)

Where the experiment took place.

23.

The variable that is measured

a)

Controlled Variable

b)

Dependent Variable

c)

Independent Variable

24.

The one factor that a scientist changes during an experiment is the ...

a)

Controlled Variable

b)

Dependent Variable

c)

Independent Variable

25.

The factors that stay the same or are constant throughout the experiment.

a)

Controlled Variable

b)

Dependent Variable

c)

Independent Variable

26.

Why is it important to have only one independent variable and to control the other variables when performing science experiments?

a)

So you can tell which factor is causing the change in the experiment.

b)

It does not matter, you can have as many independent variables as you want.

27.

Changes in the _________ variable causes changes in the _________ variable.

a)

independent; dependent

b)

dependent; independent

28.

Ben makes five paper helicopters with different wing lengths. He drops them the same way from a height of two meters for five trials each. He records the amount of time it takes for each helicopter to fall to the ground.

What is the independent variable?

a)

Dropping the same way

b)

Wing Length

c)

Amount of time it takes the helicopter to hit the floor

d)

Dropping from the same height

29.

Ben makes five paper helicopters with different wing lengths. He drops them the same way from a height of two meters for five trials each. He records the amount of time it takes for each helicopter to fall to the ground.

What is the dependent variable?

a)

Dropping the same way

b)

Wing Length

c)

Amount of time it takes the helicopter to hit the floor

d)

Dropping from the same height

30.

Ben makes five paper helicopters with different wing lengths. He drops them the same way from a height of two meters for five trials each. He records the amount of time it takes for each helicopter to fall to the ground.

What are two controlled variables? (Select 2 answers)

a)

Dropping the same way

b)

Wing Length

c)

Amount of time it takes the helicopter to hit the floor

d)

Dropping from the same height

31.

A hypothesis have should have which two words? (Select two answers)

a)

If

b)

Think

c)

Due

d)

Then

32.

Which one is a good hypothesis?

a)

If we drink more water, we'll be able to run faster.

b)

We will drink more water, then we'll run faster.

c)

If we drink more water, then we can run faster.

33.

When writing your hypothesis, what information follows IF?

a)

dependent variable

b)

how you know it will happen

c)

independent variable

d)

anything

34.

When writing a hypothesis, what information do you fill in after THEN?

a)

dependent variable

b)

independent variable

c)

how you know it will happen

d)

anything good

35.

What is the first step of the scientific method?

a)

Hypothesize

b)

Ask Questions

c)

Test hypothesis

d)

Communicate results

36.

Possible explanation for an observation that can be tested.

a)

Hypothesis

b)

Scientific Law

c)

Scientific theory

d)

Critical Thinking

37.

Which step of the scientific method is AFTER writing a hypothesis?

a)

Test hypothesis

b)

Draw conclusions

c)

Ask questions

Electricity

Total questions: 37

Worksheet time: 9hrs 15mins

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