Download 4th Grade Science Checkpoint 2

4th Grade Science Checkpoint #2: Sound, Light & Color/ Magnetism & Electricity
2nd Nine Weeks
Name: _____________________________
Date:
_____________________________
Use the wave chart to answer question 1.
1. At which point in the series of waves is the frequency the highest?
A.
B.
C.
D.
point A
point B
point C
point D
2. Which tool should a class use to separate light into the visible spectrum?
A.
B.
C.
D.
magnifying glass
prism
microscope
mirror
3. Why is it better to wear a white T-shirt than a dark T-shirt in the summer?
A.
B.
C.
D.
Light-colored clothes let more air in.
Light-colored clothes prevent sweating.
Light-colored clothes are not as heavy as dark-colored clothes.
Light-colored clothes reflect more sunlight than dark-colored clothes.
4. Which sound wave has the longest wavelength?
A
B.
C.
D.
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4th Grade Science Checkpoint #2: Sound, Light & Color/ Magnetism & Electricity
2nd Nine Weeks
5. Sound waves are produced by
A.
B.
C.
D.
gravity.
heat.
vibration.
light.
6. Sandy’s mother read the electric meter on the side of their house. She said it read
4860. Which set of dials shows that reading?
A.
B.
C.
D.
7. An electromagnet has just enough strength to pick up five paper clips. Which would
most likely happen if ten more loops of wire wrapped around the nail?
A.
B.
C.
D.
Exactly two clips would fall off the nail.
All of the clips would fall off of the nail.
The electromagnet would be able to pick up more clips.
The strength of the electromagnet would stay the same.
8. Which guitar string would make the lowest-pitched sound when plucked?
A.
B.
C.
D.
thin string stretched loosely
thin string stretched tightly
thick string stretched tightly
thick string stretched loosely
9. The reason electrical cords are coated with rubber is because the rubber
A.
B.
C.
D.
helps produce more electricity.
helps conduct electricity.
reduces the magnetic field.
acts as an insulator.
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4th Grade Science Checkpoint #2: Sound, Light & Color/ Magnetism & Electricity
2nd Nine Weeks
10. When a magnet is placed near a compass the needle moves. When a wire carrying
electric current is placed near a compass the needle also moves. This proves
A.
B.
C.
D.
magnetism creates electric current.
electric current creates magnetism.
all metals are magnetic.
a compass needle always points north.
11. Lightning is a form of
A.
B.
C.
D.
air current.
magnetism.
cloud cover.
static electricity.
12. Which diagram is a parallel circuit?
A.
B.
C.
D.
13. Through which of these substances does sound travel SLOWEST?
A.
B.
C.
D.
water
air
wood
aluminum
14. If you measure the loudness of a plucked violin string, which property of sound are
you measuring?
A.
B.
C.
D.
intensity
pitch
frequency
wavelength
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4th Grade Science Checkpoint #2: Sound, Light & Color/ Magnetism & Electricity
2nd Nine Weeks
15. Which compass is lined up to allow the user to find the direction southeast?
A.
B.
C.
D.
16. When light hits a dark object, most of the light is
A.
B.
C.
D.
absorbed.
reflected.
diffused.
refracted.
17. Sound waves CANNOT travel through
A.
B.
C.
D.
air.
a solid.
a vacuum.
water.
18. It would be MOST dangerous for Peter to
A.
B.
C.
D.
turn on a light switch before plugging in the light.
carry flashlight batteries in his pocket.
touch and electric cord with a torn covering.
leave an electric lamp turned on for more than five hours.
Use the diagrams below to answer question 19.
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4th Grade Science Checkpoint #2: Sound, Light & Color/ Magnetism & Electricity
2nd Nine Weeks
19. Sound A has a shorter wavelength than Sound B. This means that Sound A will
A.
B.
C.
D.
be louder than Sound B.
be softer than Sound B.
have a lower pitch than Sound B.
have a higher pitch than Sound B.
20. Which is a result of current electricity and not static electricity?
A.
B.
C.
D.
a shock from touching a metal doorknob
socks clinging together when taken out of the dryer
lightning flashing during a thunderstorm
a doorbell ringing when the button is pushed.
21. Which are needed to make a shadow?
A.
B.
C.
D.
air and water
light and soil
mineral and water
light and an object
22. Which of these is a power source in electric circuits?
A.
B.
C.
D.
23. You should never touch an electrical appliance if you are
A.
B.
C.
D.
wet.
tired.
cold.
sick.
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4th Grade Science Checkpoint #2: Sound, Light & Color/ Magnetism & Electricity
2nd Nine Weeks
24. What material is translucent?
A.
B.
C.
D.
clear glass
clean air
concrete
waxed paper
25. Which term refers to the flow of electrical charges?
A.
B.
C.
D.
conductance
resistance
current
energy
Use the picture below to answer question 26.
26. What could you use in this circuit to make the bulb light?
A.
B.
C.
D.
key
straw
string
button
27. When electricity moves through a metal wire, the wire is
A.
B.
C.
D.
a conductor.
an insulator.
a generator.
a multiplier.
28. Which electromagnet will pick up the most paper clips?
A.
B.
C.
D.
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4th Grade Science Checkpoint #2: Sound, Light & Color/ Magnetism & Electricity
2nd Nine Weeks
Use the table below to answer question 29.
29. The information in the table tells us that animals hear different sounds. Which
animal hears the most sounds?
A.
B.
C.
D.
bat
dog
elephant
frog
Use the picture below to answer question 30.
30. Which picture shows what happens when light hits a prism?
A.
B.
C.
D.
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4th Grade Science Checkpoint #2: Sound, Light & Color/ Magnetism & Electricity
2nd Nine Weeks
Answer Key
1. A
2. B
3. D
4. D
5. C
6. A
7. C
8. D
9. D
10. B
11. D
12. C
13. B
14. A
15. A
16. A
17. C
18. C
19. D
20. D
21. D
22. B
23. A
24. D
25. C
26. A
27. A
28. D
29. A
30. D
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