Scientific method review

This is the responding variable, or the variable you do not control.

• Independent

• Dependent

A student wants to test the effects of type of exercise on heart rate.  What is the dependent variable?

• heart rate
• type of exercise
• amount of exercise
• time of day exercise occurs

A student wants to test the effects of type of exercise on heart rate.  What is the independent variable?

• type of exercise
• heart rate
• amount of time exercise occurs
• gender of person that exercises

Observation

• Act of recognizing a fact using your senses
• Information organized for analysis
• Conclusion or reason proposed to explain an observation

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

The possible answer to the problem.

• Hypothesis
• Conclusion
• Data
• Experiment

Tags

NGSS.MS-ETS1-3

NGSS.MS-ETS1-4

NGSS.MS-PS1-2

True or False: A hypothesis must be stated in a way that is testable.

• True
• False

Tags

NGSS.MS-PS2-2

This is the variable you control.

• Independent

• Dependent

Tags

NGSS.MS-PS3-4

Is the following question testable?

Are roses prettier flowers than tulips?

• yes

• no

A constant variable is...

• Something I can change
• The thing affected by my change
• The thing in my experiment that must stay the same
• The procedures

The main reason that diagrams, tables and graphs of data are used by scientists is to-

• organize data
• verify the conclusion
• test a hypothesis
• create an experiment