This Grade 4 Science worksheet focuses on healthy habits that protect and maintain different body systems. Students consider how daily exercise strengthens the circulatory system, sleep supports the nervous system, balanced food fuels the digestive system, and good posture protects the skeletal system. Multiple choice and fill-in-the-blank questions help Grade 4 learners connect everyday choices to long-term health and understand how their actions support every system in the body.
Style:
Body Systems and Senses
Part A: Multiple Choice
Circle the best answer for each question.
1. Which habit best supports a strong circulatory system?
A) Skipping meals
B) Watching TV all day
C) Daily exercise
D) Holding your breath
2. Which habit best helps the nervous system recover and work well?
A) Getting enough sleep
B) Eating only candy
C) Staying up all night
D) Skipping water
3. Which choice supports a healthy digestive system?
A) Eating only fried snacks
B) Eating fruits, vegetables, and whole grains
C) Skipping breakfast every day
D) Drinking only soda
4. Which habit helps protect the skeletal system and good posture?
A) Slouching while sitting
B) Avoiding all activity
C) Sitting and standing with good posture
D) Carrying very heavy backpacks daily
Part B: Fill in the Blank
Write the correct answer on each line.
1. Daily exercise helps keep the heart strong and improves blood flow.
2. Getting enough sleep each night helps the nervous system rest and reset.
3. Eating healthy food provides nutrients that fuel every body system.
4. Sitting and standing with good posture keeps the spine and muscles in healthy alignment.
5. Drinking enough water supports digestion and helps blood flow through the body.
Body Systems and Senses
★ Part A: Multiple Choice
Circle the best answer for each question.
1. Which habit best supports a strong circulatory system?
A) Skipping meals
B) Watching TV all day
C) Daily exercise
D) Holding your breath
2. Which habit best helps the nervous system recover and work well?
A) Getting enough sleep
B) Eating only candy
C) Staying up all night
D) Skipping water
3. Which choice supports a healthy digestive system?
A) Eating only fried snacks
B) Eating fruits, vegetables, and whole grains
C) Skipping breakfast every day
D) Drinking only soda
4. Which habit helps protect the skeletal system and good posture?
A) Slouching while sitting
B) Avoiding all activity
C) Sitting and standing with good posture
D) Carrying very heavy backpacks daily
★ Part B: Fill in the Blank
Write the correct answer on each line.
1) Daily exercise helps keep the heart strong and improves blood flow.
2) Getting enough sleep each night helps the nervous system rest and reset.
3) Eating healthy food provides nutrients that fuel every body system.
4) Sitting and standing with good posture keeps the spine and muscles in healthy alignment.
5) Drinking enough water supports digestion and helps blood flow through the body.
Ready to Practice?
Complete each section carefully.
9 Questions
12-18 minutes
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