Hypotheses, Variables, and Scientific Questions

What is a hypothesis?

• a possible answer to a testable question

• A testable question

• a bean plant experiment

• information that you gather with your senses

Tags

NGSS.MS-LS1-5

A testable question is...

• a bean plant experiment

• a possible answer to a testable question

• a question that can be answered through an investigation.

• a hypothesis

Tags

NGSS.MS-PS2-2

What do you call information that you gather with your senses?

• a hypothesis

• an observation

• a testable question

• a variable

Tags

NGSS.MS-LS1-8

A possible answer to a testable question is...

• a hypothesis

• an observation

• an experiment

• a testable question

What could be a possible hypothesis for the following testable question?

"Do plants need sunlight to live?"

• No.

• Yes.

• Plants need sunlight to live.

• I have 4 plants in my house.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS1-6

What could be a possible hypothesis for the following testable question?

"What effect does the size of a parachute have on how fast an object falls?"

• No

• Yes

• Plants need sunlight to live.

• The smaller the parachute, the more slowly the object falls.

Tags

NGSS.MS-PS2-2

What could be a hypothesis for the following testable question?

"How does salt affect water's boiling point?"

• If salt is added to water, then the boiling point will increase.

• no

• yes

• Plants need sunlight to live.

Tags

NGSS.MS-PS1-4

A carefully controlled test to answer a question is called...

• an experiment

• a hypothesis

• a variable

• independent

A variable is...

• a possible answer to a testable question

• another name for a question

• something that can change, or vary.

• a question that can be answered through an experiment.

A variable that you change in an experiment is called...

• a dependent variable

• a hypothesis

• a variable

• an independent variable