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Brain Science and Healthy Habits

Addiction Science

Learn about how the brain works, habits, and body health in this fun science quiz.

brain health habits science

8 Questions Easy Ages 5+ Sep 10, 2026

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About this Study Set

This study set covers Addiction Science through 8 practice questions. Learn about how the brain works, habits, and body health in this fun science quiz. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

Questions & Answers

Browse all 8 questions from the Brain Science and Healthy Habits study set below. Each question shows the correct answer — select a study format above to practice interactively.

1 Which part of the human body controls your thoughts, feelings, and habits?

A The heart
B The brain
C The stomach
D The lungs

2 In science, what is a 'habit'?

A A type of wild animal
B An action you repeat often until it becomes automatic
C A kind of toy
D A type of fruit juice

3 Why must children only take medicine given to them by a parent, doctor, or trusted adult?

A Because medicine is a secret
B To make sure it is safe and taken in the correct amount
C So adults can finish it first
D Because medicine only works in the morning

4 What is the name of the chemical in the brain that helps you feel pleasure and reward?

A Dopamine
B Water
C Calcium
D Oxygen

5 Which substance found in coffee, tea, and some cola drinks can make people feel extra alert or restless?

A Caffeine
B Vitamin D
C Iron
D Salt

6 What is the addictive chemical found in tobacco products like cigarettes?

A Sugar
B Nicotine
C Helium
D Fluoride

7 What are the special nerve cells in the brain that send messages through your body?

A Neurons
B Muscles
C Bones
D Skin cells

8 What usually happens shortly after eating a very large amount of sugary sweets?

A A quick spike in energy followed by a energy drop
B Immediate sleep for 24 hours
C Your feet get bigger
D You turn into a frog

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