About this Study Set
This study set covers Chemistry through
25 practice questions.
A collection of factual, knowledge-based multiple-choice questions about basic 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 25 questions from the
Elementary Chemistry Facts study set below.
Each question shows the correct answer — select a study format above to practice interactively.
1
What state of matter has a definite shape and a definite volume?
-
A
Liquid
-
B
Gas
-
C
Solid
-
D
Plasma
2
Which of these is a type of matter made up of only one kind of atom?
-
A
Compound
-
B
Mixture
-
C
Element
-
D
Solution
3
Water is a substance made of hydrogen and oxygen. What is water called?
-
A
An element
-
B
A mixture
-
C
A compound
-
D
A molecule
4
When a liquid turns into a gas, this process is called:
-
A
Melting
-
B
Freezing
-
C
Evaporation
-
D
Condensation
5
Which of the following is a pure substance?
-
A
Saltwater
-
B
Air
-
C
Sugar
-
D
Fruit salad
6
What are the tiny particles that make up all matter called?
-
A
Waves
-
B
Atoms
-
C
Magnets
-
D
Glows
7
When a gas turns back into a liquid, it is called:
-
A
Boiling
-
B
Sublimation
-
C
Condensation
-
D
Melting
8
Which is an example of a mixture?
-
A
Pure gold
-
B
Oxygen gas
-
C
Sand and water
-
D
Diamond
9
What happens to most substances when they are heated?
-
A
They get smaller
-
B
They freeze
-
C
They expand
-
D
They disappear
10
Which of these is a common chemical reaction observed in everyday life?
-
A
A rock rolling down a hill
-
B
Water freezing into ice
-
C
Baking a cake
-
D
A shadow forming
11
What do we call the smallest particle of a substance that still has the properties of that substance?
-
A
Atom
-
B
Proton
-
C
Electron
-
D
Molecule
12
Which state of matter has no definite shape but has a definite volume?
-
A
Solid
-
B
Gas
-
C
Liquid
-
D
Plasma
13
When a solid turns directly into a gas without becoming a liquid first, it is called:
-
A
Evaporation
-
B
Condensation
-
C
Melting
-
D
Sublimation
14
What are the basic building blocks of matter?
-
A
Cells
-
B
Atoms
-
C
Minerals
-
D
Stars
15
Which of the following is an example of a solution?
-
A
A bowl of cereal
-
B
Lemonade
-
C
A pile of sand
-
D
A rock
16
What is it called when a liquid turns into a solid?
-
A
Evaporation
-
B
Melting
-
C
Freezing
-
D
Boiling
17
Which element is the most common gas in the air we breathe?
-
A
Oxygen
-
B
Hydrogen
-
C
Carbon Dioxide
-
D
Nitrogen
18
When two or more elements combine chemically, they form a:
-
A
Mixture
-
B
Solution
-
C
Compound
-
D
Element
19
Which of these changes is a physical change, not a chemical change?
-
A
Burning wood
-
B
Rusting iron
-
C
Tearing paper
-
D
Cooking an egg
20
What is the name for the three main states of matter?
-
A
Solid, liquid, gas
-
B
Hot, cold, warm
-
C
Big, medium, small
-
D
Hard, soft, wet
21
Which element is essential for life and is found in all living things?
-
A
Iron
-
B
Carbon
-
C
Gold
-
D
Helium
22
What happens to the particles in a liquid when it is heated?
-
A
They move slower and closer together
-
B
They move faster and further apart
-
C
They stop moving completely
-
D
They become invisible
23
Which is a common example of a compound?
-
A
Pure iron
-
B
Salt (sodium chloride)
-
C
Oxygen gas
-
D
Helium
24
What is the process where a liquid evaporates and becomes a gas?
-
A
Condensation
-
B
Freezing
-
C
Evaporation
-
D
Melting
25
Which of these is a gas at room temperature?
-
A
Water
-
B
Ice
-
C
Steam
-
D
Rock
