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Understanding Hypotheses

A Grade 4 science worksheet introducing students to the concept of a hypothesis, its components, and how to formulate one.

Grade 4 Science Engineering & Science PracticesHypothesis
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TextMultiple ChoiceFill in the BlanksTrue / FalseShort AnswerCustom

Standards

4-ESS3-1

Topics

sciencehypothesisgrade 4scientific method
8 sections · Free to use · Printable
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Understanding Hypotheses

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Read each question carefully and answer to the best of your ability. A hypothesis is an educated guess or a testable answer to a question.

What is a Hypothesis?

In science, a hypothesis is a special kind of guess. It's an educated guess that you can test with an experiment. It often follows an 'If... then...' statement. For example: 'If I water the plant every day, then it will grow taller.'

1. Which of the following best describes a hypothesis?

a

A random guess about something.

b

An educated guess that can be tested.

c

A fact that is always true.

d

The result of an experiment.

2. A good hypothesis often includes which words?

a

Maybe, perhaps.

b

I wish, I hope.

c

If, then.

d

Always, never.

3. A hypothesis is an   guess.

4. You can   a hypothesis with an experiment.

5. A hypothesis is always proven to be true.

T

True

F

False

6. An 'If...then...' statement is a good way to write a hypothesis.

T

True

F

False

7. Imagine you want to know if plants grow better with more sunlight. Write a hypothesis using an 'If...then...' statement.

8. Look at the image below. If you were a scientist, what is one question you might ask about what you see? Then, write a hypothesis to answer your question.

Germination stages of a plant

My Question:  

My Hypothesis: