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WorksheetsForces & Energy
Total questions: 55
Worksheet time: 3hrs 43mins
Name
Class
Date
1.
An example of a conductor is :
a)
a glass paperweight
b)
a plastic cap
c)
a metal screw
d)
a wooden handle
2.
This circuit contains two or more branches for current to move through.
a)
Series Circuit
b)
Parallel Circuit
3.
When you scuff your feet on a rug, electric charges move off you by
a)
static electricity
b)
friction
c)
current electricity
d)
a switch
4.
In a series circuit with 4 bulbs:
a)
a switch is never used
b)
all of the bulbs become dimmer if another bulb is added
c)
There are many paths for electricity to take
d)
the remaining 3 bulbs stay lit if one burns out
5.
An example of an insulator is:
a)
iron
b)
silver
c)
copper wire
d)
rubber
6.
A complete path through which electricity can flow is a (n)
a)
insulative path
b)
magnetic pole
c)
electrical cycle
d)
electrical circuit
7.
When the light changes, Potential Energy is transferred to _____ Energy.
a)
Potential
b)
Mechanical
c)
Thermal
d)
Kinetic
8.
The current has only has one loop to flow through in this circuit.
a)
Series Circuit
b)
Parallel Circuit
9.
A closed path that electric current follows
a)
Voltage
b)
Current
c)
Resistance
d)
Circuit
10.
Which of the following is NOT part of an electromagnet?
a)
Wire
b)
Iron
c)
Toothpick
d)
Power source
11.
Which best describes a simple series circuit?
a)
Electricity flows along one pathway.
b)
The flow of electricity comes from the switch.
c)
Electricity flows along many pathways.
d)
The flow of electricity comes from the light bulb.
12.
What will happen if one light bulb is removed from this circuit?
a)
The other bulbs will go out.
b)
The other bulbs will get brighter.
c)
The other bulbs will get dimmer.
d)
The battery will become stronger.
13.
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.
14.
The difference between attract and repel is that to attract is to pull something closer and repel is to push something away.
a)
True
b)
False
15.
The picture shows an electrical circuit. This circuit is a series circuit because:
a)
It has 3 light bulbs.
b)
The same current flows through all three light bulbs.
c)
It uses a single battery.
d)
The electrical current is divided between the three light bulbs.
16.
Electrical Energy is transferred to _____ Energy.
a)
Useful thermal and non-useful light energy
b)
Useful mechanical and non-useful thermal energy
c)
Useful chemical and non-useful light energy
d)
Useful electrical & thermal and non-useful light
17.
Solar Energy is transferred to _____ Energy.
a)
Mechanical
b)
Solar
c)
Sound
d)
Electrical
18.
Electrical Energy is transferred to _____ Energy.
a)
Useful Thermal
b)
Non-useful Solar
c)
Non-useful Electrical
d)
No Useful energy
19.
Electrical Energy is transferred to _____ Energy.
a)
Mechanical
b)
Solar
c)
Electrical
d)
Thermal
20.
Kinetic Energy is transferred to _____ Energy.
a)
Solar
b)
Electrical
c)
Thermal
d)
Potential
21.
Mechanical Energy is transferred to _____ Energy.
a)
Non-useful Solar
b)
Useful Mechanical
c)
Useful Electrical
d)
Non-useful Potential
22.
The Electrical Energy of the stove is transferred to _____ Energy.
a)
Solar
b)
Thermal
c)
Potential
d)
Electrical
23.
What machine changes electrical energy into light and sound energy
a)
battery
b)
lightbulb
c)
computer
d)
apple
24.
Which type of energy does the battery produce?
a)
sound
b)
light
c)
mechanical
d)
electrical
25.
Electrical Energy is:
a)
energy caused by the vibrations of an object
b)
energy caused by light rays shining
c)
energy of moving electrons
d)
energy caused by heat
26.
Patty lifts a plate into a kitchen cabinet to put it away. What type of energy is store in the plate as it sits in the cabinet?
a)
kinetic energy
b)
solar energy
c)
sound energy
d)
potential energy
27.
As part of a science activity, Eddie stretches a rubber band, lets it go and it flies 4 meters.
Which statement below most accurately describes what happened?
Which statement below most accurately describes what happened?
a)
The energy in the rubber band will be lost.
b)
The stretched rubber band has kinetic energy and the flying rubber band has potential energy
c)
Stretching a rubber band does not work.
d)
The stretched rubber band has potential energy and the the flying rubber band has kinetic energy
28.
Energy causes ___________ to occur.
a)
change
b)
motion
c)
age
29.
What is the energy transfer in this circuit?
a)
Electrical energy to sound energy to thermal energy
b)
Thermal energy to light energy to electrical energy
c)
Mechanical energy to light energy to thermal energy
d)
Electrical energy to light energy to thermal energy
30.
Which of the following is not true about a blow dryer?
a)
Electrical energy is transformed into thermal energy.
b)
Mechanical energy is transformed into thermal energy and sound energy.
c)
Electrical energy is transformed into mechanical, thermal, and sound energy
d)
Mechanical, thermal and sound energy are transformed into electrical energy.
31.
The bouncing off of light rays from the surface of an object such as a mirror or other shiny surface.
a)
mirror
b)
laser
c)
reflection
d)
refraction
32.
To cause to appear larger
a)
concave
b)
magnify
c)
convex
d)
telescope
33.
A piece of clear material, such as glass or plastic, that bends light rays as they pass through, can either focus or spread light
a)
lens
b)
telescope
c)
magnify
d)
refraction
34.
Smooth surface that reflects an image of what is in front of it.
a)
relfection
b)
mirror
c)
lens
d)
refraction
35.
A tube with mirrors and colorful beads of glass inside of it, when the tube is held to the eye and rotated, patterns can be seen as the objects reflect off the mirrors.
a)
mirror
b)
prism
c)
telescope
d)
kaleidoscope
36.
The bending of light rays, bending light means that it changes direction and/or speed.
a)
lens
b)
refraction
c)
magnify
d)
reflection
37.
A solid glass or plastic object that light can pass through that refracts light and splits it into the colors of the rainbow.
a)
kaleidoscope
b)
prism
c)
telescope
d)
lens
38.
A lens that is thicker in the center and thinner at the edges and bends light inwards is a ____________________
a)
concave lens
b)
convex lens
39.
Al lens that is thinner in the center and thicker at the edges and bends light outward is a _______________________
a)
concave lens
b)
convex lens
40.
Light can travel through empty space.
a)
True
b)
False
41.
Which of these items does NOT refract light?
a)
eyeglasses
b)
camera
c)
mirror
d)
telescope
42.
Light that bends has been ____________________
a)
teleported
b)
reflected
c)
charged
d)
refracted
43.
Which of the following items would most likely reflect light?
a)
tree
b)
mirror
c)
horse
d)
brick wall
44.
All of the following are sources of light except ______________
a)
the sun
b)
a light bulb
c)
fire
d)
the moon
45.
Light is a form of ______________________
a)
energy
b)
matter
c)
force
d)
sound
46.
A student place a ruler into a glass of water and observes that the ruler looks broken. What is occuring?
a)
The force of the water has broken the ruler.
b)
The ruler is broken before it is put in the water.
c)
Water in the cup reflects light around the ruler in a different direction than the air.
d)
Light is refracted as it enter the water, making the ruler look broken.
47.
What object can change electrical energy into light energy?
a)
A candle
b)
A fire
c)
A lamp
d)
A radio
48.
Which of the following objects most likely refracts light?
a)
Camera
b)
smooth lake
c)
Mirror
d)
Apple
49.
When light is reflected it...
a)
slows down.
b)
bounces back.
c)
bends in many directions.
d)
stops.
50.
Which of the following is the best model for how light is reflected?
a)
A truck traveling down a street.
b)
A baseball being hit by a bat.
c)
A ball bouncing off a wall.
d)
An acorn falling from a tree.
51.
A microscope makes objects under it appear bigger because the lens...
a)
bends the light passing through it.
b)
increases the strength of the light.
c)
decreases the light passing through it.
d)
changes the color of the light passing through it.
52.
All of the following are sources of light except...
a)
the sun
b)
a light bulb
c)
fire
d)
the moon
53.
How does light travel from a source?
a)
Around corners
b)
In circles
c)
Very slowly
d)
In a straight line
54.
Which of the following forces can work from a distance to affect an object?
a)
magnetism and friction
b)
friction and gravity
c)
magnetism and gravity
d)
friction only
55.
When designing an experiment, the scientist should make sure there is only one -
a)
control
b)
data table
c)
variable
d)
beaker
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