Elementary Science: Intro to Chemistry

Chemistry

A beginner-friendly quiz covering states of matter, simple chemical reactions, and basic properties of matter suitable for primary school students.

chemistry science states of matter elementary science

12 Questions Easy Ages 5+ Nov 10, 2026

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About this Study Set

This study set covers Chemistry through 12 practice questions. A beginner-friendly quiz covering states of matter, simple chemical reactions, and basic properties of matter suitable for primary 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 12 questions from the Elementary Science: Intro to Chemistry study set below. Each question shows the correct answer — select a study format above to practice interactively.

1 Which state of matter holds its own shape and does not flow?

A Solid
B Liquid
C Gas
D Plasma

2 What process turns liquid water into water vapor when heated?

A Freezing
B Evaporation
C Condensation
D Melting

3 What are the tiny building blocks that make up all matter in the universe?

A Cells
B Atoms
C Tissues
D Crystals

4 What type of change happens when ice melts into liquid water?

A Physical change
B Chemical change
C Biological change
D Nuclear change

5 Which gas in the air combines with iron to cause rust?

A Helium
B Oxygen
C Nitrogen
D Carbon dioxide

6 When sugar is stirred into water until it can no longer be seen, what has the sugar done?

A Melted
B Dissolved
C Evaporated
D Frozen

7 Lemon juice tastes sour because it contains which type of substance?

A An acid
B A base
C A salt
D A metal

8 What is the chemical formula used to represent water?

A CO2
B H2O
C O2
D NaCl

9 What process causes water droplets to form on the outside of a cold glass?

A Evaporation
B Condensation
C Sublimation
D Filtration

10 Why does oil float on top of water?

A Oil is denser than water
B Oil is less dense than water
C Oil is colder than water
D Oil dissolves in water

11 What type of change takes place when wood burns and turns into ash?

A Physical change
B Chemical change
C State change
D Reversible change

12 Which of these materials is a good conductor of electricity?

A Rubber
B Wood
C Copper
D Plastic

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