What is the independent variable in the hypothesis below?

• If a student attends afterschool tutoring, then they will score higher on their test than students who do not attend tutoring.

• Attendance at afterschool tutoring
• Type of test administered
• Duration of tutoring sessions
• Test scores of students

If a student attends afterschool tutoring, then they will score higher on their test than students who do not attend tutoring.

What is the dependent variable in the hypothesis above?

• Test scores
• Class participation
• Study habits
• Tutoring attendance

I want to design an experiment to see if drinking coffee makes students score higher on tests.  

What is the independent variable in this experiment?

• The time of day students take the test
• The type of test questions used
• The amount of sleep students get before the test
• The amount of coffee

I want to design an experiment to see if drinking coffee makes students score higher on tests. 

What is the dependent variable in this experiment?

• Amount of coffee consumed
• Time spent studying
• Number of students participating
• Test scores

I want to design an experiment to see if drinking coffee makes students score higher on tests.  

What would be the control group in this experiment?

• Students who take a nap before the test.
• Students who do not drink coffee.
• Students who study without caffeine.
• Students who drink tea.

Thomas wants to design an experiment to see if wearing Nikes makes you run faster than other shoes.

What is the independent variable in this experiment?

• Type of running surface
• Type of shoes worn (Nikes vs. other shoes)
• Time of day when running
• Runner's age

Thomas wants to design an experiment to see if wearing Nikes makes you run faster than other shoes.

What is the dependent variable in this experiment?

• Shoe brand
• Type of surface
• Race timne

• Runner's age

Thomas wants to design an experiment to see if wearing Nikes makes you run faster than other shoes.

What would be the control group in this experiment?

• Participants running without shoes.
• Participants wearing different brands of shoes.
• Participants wearing only Nikes.
• Participants wearing non-Nike shoes.

Tags

NGSS.MS-PS2-2

Thomas wants to design an experiment to see if 

wearing Nikes makes you run faster than other shoes.

What would be the experimental group in this experiment?

• Participants wearing running shorts
• Participants wearing basketball shoes
• Participants wearing Nikes
• Participants not wearing any shoes

List 3 things necessary for a graph.

• Nodes, weights, and a timeline.
• Colors, shapes, and a title.
• Labels, dimensions, and a scale.
• Title, labeled x-axis, labeled y-axis