Worksheets4th Grade Science, Unit 1, Energy Conversions, Summative Assessment
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
1. Liam and his friend Mark are going sledding at a local park. There are two hills to choose from, "The Bunny Slopes," which are small hills and lots of flat surfaces, and "The Dragon," which is a steep hill and not for beginners. Which hill would make Liam and his friend Mark go faster?
a)
A. The Bunny Slope because it is shorter.
b)
B. The Dragon because it is steeper.
c)
C. The Dragon because it is longer.
d)
D. The Bunny Slope because it is shallower.
2.
2. Peter sets up his toy train on the railroad tracks in a straight line. He then places a box in the way on the train tracks. He tries running the train at different speeds to see how far the box will move.
What would happen to the distance the box moves if the train increases in speed?
a)
A. The box would move a shorter distance.
b)
B. The box would move the same distance as a train moving at 70 cm/s.
c)
C. The box would move a longer distance.
d)
D. the box would move the same distance as a train moving at 30 cm/s
3.
3. Which object is an example of a device that converts electrical currents into heat energy?
a)
A. A freezer
b)
B. A toaster
c)
C. The Sun
d)
D. A candle
4.
4. Which answer choice is an example of how electrical currents in nature transfer energy?
a)
A. Television Sets
b)
B. Power plants
c)
C. Lightbulbs
d)
D. Lightning
5.
5. Which household item is an example of energy being transferred as sound?
a)
A. A hairbrush
b)
B. An alarm clock
c)
C. A candle
d)
D. A lamp
6.
6. Alexis has to identify an invention in her home that converts one energy form into another. She has selected the lightbulb. The energy input into a light bulb is electrical. What type of energy is output from a lightbulb?
a)
A. Sound and Light
b)
B. Heat and Motion
c)
C. Light and Motion
d)
D. Heat and Light
7.
7. Allison has to design a device that converts energy between two different forms. She decides she wants to convert electrical energy into motion and sound. Which invention should she model her design after?
a)
A. A radio
b)
B. A pencil sharpener
c)
C. A dog
d)
D. A lightbulb
8.
8. Rena designed a new device that can convert energy forms. Her design can take electrical energy and turn it into thermal or heat energy. Which answer choice(s) are an example of this conversion?
a)
A. A phone recording a voicemail message.
b)
B. A water source in the park "runs" water.
c)
C. The switch turns on the led lights in the classroom.
d)
D. An oven bakes a pizza.
9.
9. Two bowling balls are rolling down two bowling lanes. The white ball is traveling at a speed of 14 miles per hour. The black ball is traveling at 12 miles per hour.
Which statement explains the energy demonstrated in this example?
a)
A. The black ball has more energy.
b)
B. The white ball has more enrergy.
c)
C. They both have the same amount of energy.
10.
10. Katelyn's town relies on energy from wind to power lights in her school. Her friend Jose lives in another town that does not have a lot of wind. He doesn't understand how wind can make the lights stay on in her school. Which of the following is the best explanation Katelyn can provide to Jose about how this works?
a)
A. Motion energy is converted to thermal energy.
b)
B. Motion energy is transferred to solar energy and then to electrical energy.
c)
C. Motion energy is created by solar energy.
d)
D. Motion energy is converted into electrical energy.
11.
11. The image below shows a blender mixing ingredients for a milkshake. Which of the following best explains the energy in this example?
a)
A. Electrical energy is transferred from the surrounding air.
b)
B. Electrical energy is transferred to the motion energy.
c)
C. Motion energy is transferred to the light energy.
d)
D. Motion energy is created as it transfers to the electrical energy.
12.
12. Which of the following has the most speed and energy?
a)
A. a water bottle on a table.
b)
B. a car going down the highway.
c)
C. a kid kicking a soccer ball.
d)
D. a car parked in the driveway.
13.
13. Look at the picture. Which statement best describes what is happening?
a)
A. heat and light are turning into electricity.
b)
B. energy from electricity is being trasferred to produce light and heat.
c)
C. electricity produces heat but not light.
d)
D. energy is being transferred to electricity.
14.
14. What does the term "collide" mean? Example: Jackson and Robbie were afraid to collide when their sleds crossed paths.
a)
A. Pass close to each other without crashing
b)
B. See Someone you have not seen in a long time
c)
C. Hit with force while moving.
15.
15. Solar power is a renewable resource.
a)
True
b)
False
16.
16. Maliyah and Alex are racing cars down different sloped ramps. Maliyah's car traveled down Slope A and Alex's traveled down Slope B. Maliyah's car traveled further than Alex's. Alex wants to beat her in the next trial. What can he do to his ramp to make his car travel further?
a)
A. Alex can raise his ramp to make it steeper.
b)
B. Alex can lower his ramp to make it more shallow.
17.
17. Mark and Sally are trying to decide what type of backup system to put at their home. Mark says that they should install solar panels. Sally said that they should install a water turbine. Which one is correct?
a)
A. Mark
b)
B. Sally
18.
18. Glen and his friend London are going sledding at a local park. There are two hills to choose from, "The Bunny Slopes," which are small hills and lots of flat surfaces, and "The Dragon," which is a steep hill and not for beginners. If London goes first and reaches the bottom and Glen crashes into him from behind on "The Dragon," what would happen to the motion of their sleds?
a)
A. Glen's sled would slow down or stop on impact, and London's sled would move forward.
b)
B. Glen's sled would speed up on impact, and London's sled would move forward.
c)
C. Glen's sled would move forward on impact, and London's sled would stop.
d)
D. Glen's sled would speed up on impact, and Landon;'s sled would stop.
19.
19. What is the purpose of a backup system?
a)
A. to provide electricity all the time.
b)
B. to produce electricity when the normal power sources fail.
c)
C. to transport electricity from place to place.
20.
20. Which of these could cause an electrical system failure? (read ALL answer choices).
a)
A. using to much electricity.
b)
B. something breaking the powerlines.
c)
C. a problem with the power source.
d)
D. All of the above
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