Questions & Answers
Browse all 20 questions from the
Sports Science Basics for Kids study set below.
Each question shows the correct answer — select a study format above to practice interactively.
1
Which organ is responsible for pumping blood throughout the body during exercise?
-
A
Lungs
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B
Heart
-
C
Stomach
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D
Brain
2
What is the primary gas that muscles need from the blood to keep working during a run?
-
A
Carbon dioxide
-
B
Nitrogen
-
C
Oxygen
-
D
Helium
3
Which body system allows humans to move their bones and limbs?
-
A
Muscular system
-
B
Digestive system
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C
Nervous system
-
D
Excretory system
4
What are the tough, flexible tissues that connect muscles to bones?
-
A
Cartilage
-
B
Ligaments
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C
Tendons
-
D
Skin
5
Which nutrient is most commonly known as the main fuel source for athletes?
-
A
Carbohydrates
-
B
Vitamin C
-
C
Iron
-
D
Fiber
6
What happens to your heart rate when you start running fast?
-
A
It stays the same
-
B
It increases
-
C
It decreases
-
D
It stops
7
Which mineral is essential for keeping bones strong for sports?
-
A
Calcium
-
B
Gold
-
C
Copper
-
D
Silver
8
What is the main purpose of sweating during sports?
-
A
To get rid of salt
-
B
To lose weight
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C
To cool down the body
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D
To hydrate the skin
9
Which type of exercise focuses on making the heart and lungs stronger, like swimming or cycling?
-
A
Aerobic exercise
-
B
Flexibility training
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C
Weight lifting
-
D
Resting
10
What do we call the state of being able to move a joint through its full range of motion?
-
A
Strength
-
B
Flexibility
-
C
Balance
-
D
Speed
11
Which body part acts as a lever during activities like throwing a ball or jumping?
-
A
Bones
-
B
Fat cells
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C
Blood vessels
-
D
Hair
12
What is the scientific term for the amount of energy in food?
-
A
Temperature
-
B
Volume
-
C
Calories
-
D
Mass
13
Which part of the brain helps an athlete maintain their balance?
-
A
Cerebellum
-
B
Frontal lobe
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C
Brain stem
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D
Spinal cord
14
Why is it important to warm up before a sports match?
-
A
To get tired
-
B
To increase blood flow to muscles
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C
To finish the game faster
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D
To make the equipment work
15
What do muscles do when they contract?
-
A
They get longer
-
B
They get shorter
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C
They disappear
-
D
They turn into bone
16
Which substance carries oxygen around the body in the blood?
-
A
Plasma
-
B
Platelets
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C
Hemoglobin
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D
Water
17
What happens to your breathing rate when you exercise?
-
A
It slows down
-
B
It stays regular
-
C
It increases
-
D
It stops completely
18
Which of these is a function of the skeletal system during sports?
-
A
Digesting food
-
B
Providing structure and support
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C
Processing thoughts
-
D
Cleaning the blood
19
What is the main reason athletes drink water before, during, and after exercise?
-
A
To improve flavor
-
B
To prevent dehydration
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C
To gain muscle mass
-
D
To cool the air
20
Which type of movement is a 'sit-up' primarily focused on?
-
A
Bending the spine
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B
Rotating the head
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C
Extending the toes
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D
Flexing the ankles
