Elementary Chemistry Basics

Chemistry

A collection of easy, factual multiple-choice questions about fundamental chemistry concepts suitable for elementary school students.

chemistry science elementary basics matter elements

10 Questions Easy Ages 5+ Aug 3, 2026

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About this Study Set

This study set covers Chemistry through 10 practice questions. A collection of easy, factual multiple-choice questions about fundamental chemistry concepts suitable for elementary school students. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

Questions & Answers

Browse all 10 questions from the Elementary Chemistry Basics study set below. Each question shows the correct answer — select a study format above to practice interactively.

1 What is the most common substance on Earth that covers most of its surface?

A Soil
B Water
C Air
D Rocks

2 What are the tiny building blocks that make up everything around us called?

A Bones
B Atoms
C Cells
D Grains

3 Which of these is a state of matter where a substance keeps its own shape and size?

A Liquid
B Gas
C Solid
D Plasma

4 What is the name of the gas that plants breathe in and that humans breathe out?

A Oxygen
B Nitrogen
C Helium
D Carbon Dioxide

5 When water turns into ice, what change of state has happened?

A Melting
B Boiling
C Freezing
D Evaporation

6 Which of these is a simple substance made of only one type of atom?

A Water
B Salt
C Gold
D Sugar

7 What is the process called when a liquid turns into a gas, like when a puddle dries up?

A Condensation
B Freezing
C Melting
D Evaporation

8 Which of these is an example of a liquid?

A A rock
B Air
C Milk
D A chair

9 What gas do we need to breathe to live?

A Carbon Dioxide
B Oxygen
C Hydrogen
D Methane

10 When ice melts, it turns into what state of matter?

A Gas
B Solid
C Liquid
D Powder

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