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WorksheetsEnergy and Force Review
Total questions: 31
Worksheet time: 16mins
Name
Class
Date
1.
Which of these is NOT an example of a bicycle using mechanical energy?
a)
The pedals, gears, and chain turn the wheels.
b)
The wheels turn when the bicycle moves.
c)
The front wheel guides the bicycle when it moves.
d)
The reflector allows the bicycle to be seen at night.
2.
A bat searches for prey at night. It makes sounds as it flies and used the echoes to find its prey. When the bat flies and listens to echoes to locate prey, it is using -
a)
thermal and light energy
b)
sound and thermal energy
c)
mechanical energy and sound energy
d)
light and mechanical energy
3.
A class is learning about states of matter. The teacher shows the students how to set up the investigation shown in the diagram. What kinds of energy are needed in this investigation to change the state of matter of the candle?
a)
light, mechanical, thermal
b)
electrical and thermal
c)
mechanical, light, electrical
d)
thermal and mechanical
4.
Rube Goldberg was an artist who drew cartoons that showed a very complicated way to do a simple task. The picture shows an example. which form of energy is used to turn on the switch?
a)
light
b)
thermal
c)
electric
d)
mechanical
5.
Water flows through turbines in dams like the one shown. The flowing water makes the turbine spin. What type of energy is used to make the turbines in this type of dam spin?
a)
light
b)
thermal
c)
sound
d)
mechanical
6.
Three different objects that use the same source of energy are shown. What is the energy source for these objects?
a)
light
b)
mechanical
c)
sound
d)
electrical
7.
Students built the circuit shown. The lightbulb does not glow. Which statement explains this observation?
a)
The battery is not charged.
b)
The lightbulb is not part of the closed circuit pathway.
c)
The circuit does not have a switch.
d)
The bell uses most of the energy from the battery.
8.
Many types of fans are used in homes. What form of energy is the spinning blades of the fan?
a)
mechanical
b)
mass
c)
light
d)
water vapor
9.
A diagram of a system using solar energy is shown below. To recharge the battery without lighting the bulb, which of the following switches should be closed?
a)
Switch S only
b)
Switches R and S
c)
Switches R and T
d)
Switches R, S, and T
10.
The diagram shows the metal posts that are usually found on a battery. The battery can be connected to a bell and switch to produce sound. Which statement best explains why there are two metal posts on the battery?
a)
The battery needs only one metal post to connect to the bell but the other metal post is there in case the first post fails to work.
b)
The battery needs to form a complete closed circuit that starts with one metal post and ends with the other metal post.
c)
One metal post makes a complete circuit with the switch and the other post is not needed.
d)
One post makes the bell start to ring and the other post makes the bell ring louder.
11.
Most cars have lights, power locks, and radios that use electricity. Electric circuits power this equipment. Each circuit has a fuse that completes it. The picture shows one type of fuse a car may have. Which of these describes one thing that could happen if the wire in a fuse burns out?
a)
The car's light would burn brighter.
b)
The car's radio will not work.
c)
The car's power windows will move faster.
d)
The car's turn signal will blink faster.
12.
The diagram shows a series circuit with three lit bulbs. How many of the bulbs will remain on if the wire is cut at the point shown by the arrow?
a)
0
b)
1
c)
2
d)
all
13.
Which of these changes to the electric circuit will cause the lightbulb to light up?
a)
Straighten the wire so the current flows faster.
b)
Add a switch and more wire so electric current flows faster.
c)
Turn one battery around so that positive end connects to the other battery's negative end.
d)
Make the wire length the same on both sides.
14.
A student looks into a mirror and sees an image of an object. Which diagram shows the X where the object is most likely located?
a)
F
b)
G
c)
H
d)
J
15.
The diagram shows a fish being viewed from above the water. The fish appears to be closer to the surface than it really is. What causes this difference?
a)
Light is reflected.
b)
Light is refracted.
c)
Light is focused.
d)
Light is blocked.
16.
In 1859, Henry Bursill published a book on shadows. The picture shows one of these hand shadows. Which property of light makes it possible to produce hand shadows?
a)
Light can be refracted.
b)
Light is a form of energy.
c)
Light travels in straight lines and can be blocked.
d)
Light can be separated into different colors.
17.
The picture shows a child standing in a swimming pool. Why does the lower part of the child appear so much different in size from the upper part?
a)
The light is refracted when it travels through water and then air.
b)
The light is reflected when is travels through water and then air.
c)
The light is reduced when it travels through water and then air.
d)
The light is shadowed when it travels through water and then air.
18.
When light travels through air into a prism, it bends and separates into many colors. In which other situation does light bend?
a)
When light moves through air into water.
b)
When light hits a wall.
c)
When light passes through outer space.
d)
When light hits a mirror.
19.
Students used a spring scale to pull a 50 gram block across the surface of a desk. Then they pulled the same block across the surfaces of carpet, sandpaper, and glass. Which question is this investigation most likely designed to answer?
a)
How do blocks of different sizes react to a pulling force?
b)
How do different surfaces affect the amount of force needed to move a block?
c)
How do blocks affect spring scales?
d)
How does the mass of the block change when pulled across a desk?
20.
Scientists use telescopes to make distant objects appear closer. Some parts of a telescope are shown. Which best describes how the objective lens helps scientists observe the moon?
a)
The lens produces light.
b)
The lens blocks light.
c)
The lens reflects light.
d)
The lens refracts light.
21.
Which best demonstrates the reflection of light?
a)
Looking through the glass of a large window.
b)
Looking at an image formed on a shiny silver spoon.
c)
Looking at a lightbulb that is glowing.
d)
Looking at a star on a clear night.
22.
The model shows a special glass fiber that is thinner than some metal wires. When light enters one end of the fiber, it moves through as shown. After the light leaves the fiber, it will travel--
a)
in a straight line.
b)
back into the fiber.
c)
around the fiber.
d)
in a curve.
23.
Students design an experiment to test the force of a spring using a spring launcher and four spheres with the same diameter but different masses. What other piece of equipment would be most useful for this experiment?
a)
Graduated cylinder to measure volume of each sphere.
b)
A beaker to collect the sphere after launching.
c)
A meterstick to measure the height each sphere travels when launched.
d)
A stopwatch to measure how long it takes to load the spring for launching.
24.
The picture shows a pulley system that can be used to lift a box. Which of these should a person do to lift the box upwards?
a)
Tie the end of the rope to the box.
b)
Tie the end of the rope to the ceiling hook.
c)
Pull the end of the roper downward.
d)
Allow the end of the rope to move upward.
25.
Four students stand facing a box. The diagram shows an overhead view of the box. The numbered circles represent student positions. What do the students need to do to slide the box to the northeast?
a)
Students 1 and 2 push. Students 3 and 4 pull.
b)
Students 1 and 4 push. Students 2 and 3 pull.
c)
Students 2 and 3 push. Students 1 and 4 pull.
d)
Students 3 and 4 push. Students 1 and 2 pull.
26.
In which substance do the particles move the fastest?
a)
ocean water
b)
hot chocolate
27.
Light always travels in straight lines.
a)
true
b)
false
28.
Light can be bent or refracted when it hits a new material at an angle.
a)
true
b)
false
29.
Which device is NOT designed to produce BOTH sound and light energy?
a)
b)
c)
d)
30.
Which activities involve mechanical energy?
a)
1, 4, 6
b)
2, 4, 5
c)
1, 2
d)
3, 5, 6
31.
Which LEDs produce when the switch is in the position shown?
a)
1, 3, and 4
b)
1, 2, 3, and 4
c)
3 and 4
d)
1, 3, 4, and 5
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