Grade 3 Science Review Worksheet: Human Body

Human Body Review Worksheet

Grade 3 Science Human Body Review Worksheet Advanced 50 Questions 7 Views

Classroom Worksheet

Grade 3 Science Review Worksheet: Human Body

Human Body Review Worksheet

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Grade: Grade 3

Subject: Science

Topic: Human Body

Time: 20 Minutes

Difficulty: Advanced

Questions: 50

Instructions:
Read each question carefully and answer in complete words or short phrases. Start with the easier questions and keep going until the harder ones. Do your best and check your work before turning it in.

Skills Practiced:

Human Body
Science
Critical Thinking
Problem Solving

1Question

What is the name of the body part that helps us think and control our actions?

2Question

Which body part do you use to smell flowers?

3Question

Which body part helps you hear music?

4Question

What body part helps you see the board in class?

5Question

What do you call the hard parts inside your body that help support it?

6Question

What is the main body part that pumps blood through the body?

7Question

Which organ helps you breathe by taking in air?

8Question

What body part helps you taste soup?

9Question

What is the name of the body system made up of bones?

10Question

What is the name of the body system that helps you move your body using muscles?

11Question

What do muscles do when they work with bones?

12Question

Why is the skull important?

13Question

What is the job of the ribs?

14Question

Name one way the heart and lungs work together.

15Question

What is the path air takes when you breathe in?

16Question

Why do we need to drink water?

17Question

What is the name of the liquid that carries oxygen and nutrients in your body?

18Question

What body part helps blood move all around the body?

19Question

What are joints?

20Question

Give one example of a joint in the human body.

21Question

Which joint helps you bend your arm?

22Question

Which joint helps you bend your leg?

23Question

What do teeth help you do?

24Question

Why is it important to brush your teeth?

25Question

What is the largest organ on the outside of the human body?

26Question

What does skin help protect?

27Question

What does the stomach do after you eat food?

28Question

What is the main job of the intestines?

29Question

Name one body system that helps break down food.

30Question

What is one healthy habit that helps your body stay strong?

31Question

How does exercise help your muscles?

32Question

How does sleep help your brain?

33Question

Why do we need a balanced diet?

34Question

What is one job of the lungs?

35Question

What gas do lungs bring into the body when you breathe?

36Question

What gas do we breathe out that the body does not need?

37Question

What part of the body helps you balance when you stand on one foot?

38Question

What is one reason bones are important besides helping us stand?

39Question

How do muscles and bones work together to let you run?

40Question

What might happen if you do not wear a helmet while riding a bike?

41Question

Why should you wash your hands before eating?

42Question

What is a germ?

43Question

Which body system includes the brain, spinal cord, and nerves?

44Question

What does the nervous system do?

45Question

How does the brain help you when you touch something hot?

46Question

Why is the spinal cord important?

47Question

What can happen to your body if you do not get enough water?

48Question

Explain how the heart, lungs, and blood work together in one sentence.

49Question

Describe one way your body stays healthy when you exercise, eat well, and sleep enough.

50Question

Choose two body systems and explain how they help you move or stay alive.

Answer Key

#	Answer
1	The brain
2	The nose
3	The ears
4	The eyes
5	Bones
6	The heart
7	The lungs
8	The tongue
9	The skeletal system
10	The muscular system
11	They help the body move
12	It protects the brain
13	They protect the heart and lungs
14	The lungs bring in oxygen and the heart moves it in blood
15	Through the nose or mouth to the lungs
16	To keep the body healthy and working well
17	Blood
18	The heart
19	Places where bones meet
20	Knee, elbow, or shoulder
21	The elbow
22	The knee
23	Chew food
24	To keep teeth clean and healthy
25	The skin
26	The body and its inside parts
27	It helps break down food
28	To absorb nutrients and water from food
29	The digestive system
30	Eating healthy food, exercising, or sleeping enough
31	It makes them stronger
32	It helps your brain rest and grow
33	To get different nutrients the body needs
34	To bring oxygen into the body and remove carbon dioxide
35	Oxygen
36	Carbon dioxide
37	The brain and inner ear help with balance
38	They protect organs and help us move
39	Muscles pull on bones to make movement
40	Your head could get hurt
41	To remove germs and help prevent illness
42	A tiny living thing that can cause sickness
43	The nervous system
44	It sends messages through the body
45	It helps you react quickly and pull your hand away
46	It carries messages between the brain and the rest of the body
47	You can become dehydrated or feel weak
48	The lungs put oxygen into the blood, and the heart pumps the blood around the body
49	It helps your body grow, stay strong, and have energy
50	Example: The skeletal and muscular systems help me move, and the circulatory and respiratory systems help my body get oxygen and blood to the cells