3rd Grade Human Body Assessment
Name_________________________________Date____________________
1. Which of the following structures forms a protective layer between the
environment and the inside of a body?
A. bone
B. skin
C. muscle
D. blood vessel
2. The thigh bone is the longest bone in the human body. What is the best
way to measure it?
A. Use a balance scale.
B. Use a meter stick.
C. Use a spring scale.
D. Use a computer.
3. During field day, Sandra, Janice, Lupita, and Tess ran the 100-meter dash.
Their finish times are recorded in the table below.
Student
Finish Time
Sandra
32 seconds
Janice
47 seconds
Lupita
42 seconds
Tess
46 seconds
Which girl ran the slowest?
A. Janice
B. Lupita
C. Tess
D. Sandra
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3rd Grade Human Body Assessment
4. Charlie took 8 minutes to run a mile. His sister, Christina, took 10 minutes
to run a mile. Which of the following is true?
A. It cannot be determined who ran faster.
B. Christina ran faster than Charlie.
C. Charlie ran faster than Christina.
D. Charlie and Christina ran at the same speed.
5. Nancy touches a faucet handle that has germs on it. Which body part will
keep most of these germs from entering her body?
A. her hair
B. her muscles
C. her eyes
D. her skin
6. A frog jumps into the water. Which system makes a frog so good at
jumping?
A. breathing system
B. muscular system
C. water system
D. skeletal system
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3rd Grade Human Body Assessment
7. Why are soft parts of our body, like our lungs and brain, found in a bony
part of our skeleton?
A. for protection
B. for shape
C. for movement
D. for weight
8. Which system in your body has the main job of moving your body?
A. the respiratory system
B. the muscular system
C. the digestive system
D. the circulatory system
9. Make a prediction. Which of the following organisms have a skeletal
system most like yours?
A. pillbug
B. butterfly
C. snail
D. dog
10. A ball-and-socket joint can be found in the _____.
A. thumbs
B. shoulders
C. elbows
D. knees
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3rd Grade Human Body Assessment
11. Owls make pellets because _____.
A. they cannot digest bones and fur.
B. they live in tall trees.
C. they hunt at night.
D. they eat small organisms.
12. Annie wants to find out how different amounts of force can affect how fast
an object moves. Which of the following is the best scientific investigation
Annie could do to find out?
A. push objects that have different shapes and measure how far they travel
B. push the same object with different amounts of force and measure its speed
C. measure how much force it takes to move objects with different masses
D. survey her classmates to see what they think about this topic
13. Tissue that connects two bones is called a _____.
A. joint
B. tendon
C. muscle
D. ligament
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3rd Grade Human Body Assessment
14. Juan designed a way to measure motion by timing his friends as they
walked a distance of 10 meters.
Which table would be best for recording the measurements Juan will make
during the test of his design?
A.
B.
C.
D.
.
A. D
B. C
C. A
D. B
15. When your head itches, your hand goes to scratch the itchy spot.
What do you call this action?
A. feeling
B. stimulus
C. concentration
D. response
16. Which function cannot be provided by a skeleton?
A. support
B. protection
C. movement
D. contraction
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3rd Grade Human Body Assessment
17. What is the system of bones that support the human body called?
A. muscles
B. tendons
C. skin
D. skeleton
18. Mr. Garret is pulling his son Ike in a wagon.
As Mr. Garret walks to the left, a force pulls on Ike's wagon. What will the
direction of Ike's motion be?
A. to the left
B. around in a circle
C. up into the air
D. down into the ground
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3rd Grade Human Body Assessment
19. Katie, Matt, Sarah, and Steve were having a bicycle race. Five minutes
after they started, everyone stopped because it began to storm. The picture
shows where each bike was located when they stopped.
Who is the winner of the five minute race?
A. Matt
B. Steve
C. Sarah
D. Katie
20. Bend your arm toward yourself. Which sentence best describes what
happens?
A. The biceps extends and the triceps contracts.
B. Both the biceps and triceps contract.
C. Both the biceps and triceps extend.
D. The biceps contracts and the triceps extends.
21. The largest bone in the human body is the _____, which is found in the
leg.
A. femur
B. skull
C. pelvis
D. rib
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3rd Grade Human Body Assessment
22. Kendra is hanging from the monkey bars on the playground. It gets
harder and harder for Kendra to hold on. Then she falls to the ground. What
force causes her to fall?
A. gravity
B. push
C. magnetic force
D. friction
23. Which group of bones help us stand straight and tall?
A. backbone or spine
B. skull
C. phalanges
D. ribs
24. A joint that allows movement only back and forth in one direction is called
a _____.
A. gliding joint
B. hinge joint
C. pivot joint
D. ball-and-socket joint
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3rd Grade Human Body Assessment
25. Which organ does the skull protect?
A. heart
B. lungs
C. brain
D. stomach
26. Which best describes the function of muscles?
A. to show how strong you are
B. to protect the internal organs
C. to make bones move
D. to connect bones to each other
27. The number of bones in the human body is _______.
A. about 500.
B. fewer than 50.
C. about 200.
D. about 100.
28. Which of these joints move in the same way?
A. wrist and fingers
B. ankle and wrist
C. knee and hip
D. elbow and shoulder
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3rd Grade Human Body Assessment
29. What structure in the skin is most involved in the sense of touch?
A. fat
B. muscles
C. goose bumps
D. nerve endings
30. Which of the following students below is building a model?
A. Carl grouped owl pellet bones by size.
B. Kara glued bone pictures to boxes and made a skeleton.
C. Mike looked at owl pellet bones with a hand lens.
D. Clare read about mouse bones in a book.
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