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Worksheets

STEM

Total questions: 46

Worksheet time: 48mins

Name
Class
Date
1.
Which of these substances conducts electricity the best?
a)
wood
b)
brick
c)
copper
d)
plastic
2.
This image represents what type of circuit?
a)
open
b)
closed
c)
series
d)
parallel
3.
What type of circuit is represented by the diagram?
a)
closed
b)
series
c)
open
d)
parallel
4.
If bulb 1 burns out, what will occur?
a)
bulbs 2 and 3 will go out
b)
bulbs 2 and 3 receive more volts
c)
bulbs 2 and 3 will stay lit
d)
nothing will happen
5.
Is the following photo of an open circuit or closed circuit? 
a)
A closed circuit which allows electricity to flow
b)
An open circuit which does not allow electricity to flow
6.
What kind of circuit is this?
a)
series
b)
parallel
7.
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
8.

Why is 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

9.

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 insulate electricity

10.

A material that does NOT let electricity pass through it is called ...

a)

An electrical conductor

b)

An electrical insulator

c)

An electrical source

d)

An electric appliance

11.

What is a circuit with several paths for electricity to flow?

a)

conductor

b)

series circuit

c)

parallel circuit

d)

open circuit

12.

What is a circuit that only has ONE path for electricity to flow?

a)

series circuit

b)

closed circuit

c)

parallel circuit

d)

light bulb

13.
This circuit has a battery, buzzer, and switch.
When the switch is closed the buzzer will sound because -
a)
the switch gives energy to the battery
b)
the buzzer is made of special plastic
c)
the wires are cooled by the surrounding air
d)
electricity can flow in a complete path
14.
Which of the following can work as an energy source?
a)
Battery
b)
Light bulb
c)
Wire
d)
All of them
15.
What is an electrical circuit?
a)
lets you turn the energy on and off
b)
a closed path where where electricity flows
c)
stop electricity from flowing through
16.
What is a battery?
a)
switch
b)
power source
c)
insulator
17.
A complete circuit has .......
a)
a motor in it
b)
a switch in it
c)
two bulbs in it
d)
no breaks in it
18.
A student began building a circuit to light a bulb.  What else does the student need to produce light?
a)
a battery that has energy
b)
a wire that is insulated
c)
a switch that is open
d)
another bulb of the same size
19.
Which of the following can work as an energy source?
a)
Battery
b)
Light bulb
c)
Wire
d)
All of them
20.
Which is NOT true of a series circuit
a)
One light bulb can be broken and other lights will still work.
b)
All loads are a single loop
c)
Adding more loads will lessen the current in the loop
21.
The type of circuit used in your home is a _______ circuit.
a)
series
b)
parallel
22.
Levi is wanting to light a bulb.  What does he need to get the bulb to light?
a)
A battery and a paper clip
b)
A battery and a wire
c)
A paper clip and a wire
d)
A switch and a wire
23.
A series circuit has ____ path(s) that the electric current can take. 
a)
One
b)
Two 
c)
Three 
d)
Four
24.
In a parallel circuit, if one connection is broken, all of the connections stop working.
a)
True
b)
False
25.
Which of these objects is an insulator?
a)
Copper Wire
b)
Paper Clip
c)
Steel Pole
d)
Rubber Gloves
26.
An object through which electrons can easily flow is called a(n) ___________.
a)
Conductor
b)
Insulator
27.
Which statement is true?
a)
The light bulb will light up because the  circuit is complete.
b)
The light bulb will light up because the  circuit is broken.
c)
The light bulb will not light up because the  circuit is complete.
d)
The light bulb will not light up because the  circuit is broken.
28.
Electricity is the flow of _________.
a)
Protons
b)
Neutrons
c)
Electrons
29.
The force that pushes the electricity through a circuit is called...
a)
resistance
b)
voltage
c)
current
d)
switch
30.
The flow of electricity through a conductor is called...
a)
resistance
b)
voltage
c)
current
d)
source of electric current
31.
The best conductors for electricity are made of...
a)
wood
b)
plastic
c)
rubber
d)
metal
32.
The form of energy that can produce light, heat, motion, and magnetic force.
a)
electricity
b)
water
c)
grass
33.
An example of an insulator is?
a)
metal
b)
plastic
c)
brass
d)
aluminum
34.
A unit used to measure the electric potential of a battery is called...
a)
current
b)
electricity
c)
volt
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.

_____ engineers design, build, and test aircraft, spacecraft, and missiles. They help to develop some of the most advanced technology in the world.

a)

Aerospace

b)

Mechanical

c)

Biomedical

d)

Electrical

37.

_____ engineers develop instruments, techniques, and devices. Doctors use these tools to diagnose and treat people who are sick or hurt.

a)

Environmental

b)

Mechanical

c)

Biomedical

d)

Electronics

38.

Given the critical nature of much of the work in science, technology, engineering and mathematics, job possibilities abound even in times of economic downturn. True or False?

a)

True

b)

False

c)

I like turtles.

d)

Thanos did it.

39.

Define S.T.E.M.

a)

Science, Technology, Engineering, Mathematics

b)

Science, Teachers, English, Mathematics

c)

Sports, Tennis, End Game, Mantis

d)

Science, Technology, Engineering, Motors

40.
A local park is interested in building a bridge over a short ravine. They have stressed that keeping costs low is very important to them. What type of bridge would you recommend they build?
a)
Suspension
b)
Beam
c)
Cantilever
d)
Truss
41.

Your firm has been hired to build a bridge for a large city. The bridge will go across a wide river and handle a lot of traffic. The mayor has confided in you that he wants it to be a showpiece. What kind of bridge will you recommend?

a)

Beam

b)

Arch

c)

Truss

d)

Suspension

42.
Which type of bridge is this?
a)
Suspension
b)
Truss
c)
Arch
d)
Beam
43.
Engineers are people who design and build things to solve _____
a)
riddles
b)
puzzles
c)
crosswords
d)
problems
44.

What do Civil engineers do?

a)

Design the foundation for our modern society

b)

Build the foundation for our modern society

c)

Maintain the foundation for our modern society

d)

All of the answers available

45.

Engineering at the most basic level is

a)

problem creation

b)

problem statements

c)

problem solving

d)

problem seeking

46.

What does a food scientist NOT do?

a)

Plant crops

b)

Test out new recipes

c)

Sample the food they create

d)

Create new ways to keep food fresher

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