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Atoms and Molecules Worksheet

An introductory science worksheet for Grade 1 on atoms and molecules, covering basic concepts and identification.

Grade 1 Science ChemistryAtoms and Molecules
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Includes

Multiple ChoiceFill in the BlanksShort AnswerTrue / FalseWord Bank

Standards

1-PS1-1

Topics

atomsmoleculessciencechemistrygrade 1
7 sections · Free to use · Printable
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Atoms and Molecules

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Date:

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Read each question carefully and answer to the best of your ability.

1. What is the smallest building block of everything around us?

a

A house

b

An atom

c

A car

d

A tree

2. Everything in the world is made of tiny parts called  .

3. When two or more atoms join together, they make a  .

4. Can you see an atom with your eyes? Why or why not?

5. A molecule is bigger than an atom.

T

True

F

False

Use the words below to fill in the blanks.

atom
molecule

6. Water is a   because it has hydrogen and oxygen atoms joined together.

7. You cannot see a single   without a special microscope.