A student rides his bike a few times a week. He realizes he can go faster on the sidewalk than a rocky path.  He thinks it has something to do with the surface and wants to design an experiment to test his hypothesis.
The independent variable will be: 

• the speed of the rider
• the surfaces
• how hard the rider pedals
• the speed of the wind

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1

A student rides his bike a few times a week. He realizes he can go faster on the sidewalk than a rocky path.  He thinks it has something to do with the surface and wants to design an experiment to test his hypothesis.
The dependent (responding) variable is:

• the speed of the rider
• the type of surface
• how hard the rider pedals
• the speed of the wind

Tags

NGSS.MS-PS2-2

A student rides his bike a few times a week. He realizes he can go faster on the sidewalk than a rocky path.  He thinks it has something to do with the surface and wants to design an experiment to test his hypothesis.
In order to run this experiment what 2 things should he control (keep the same)?

• the speed of the wind and the type of surface
• the speed of the rider and the speed of the wind
• the speed of the rider and how hard the rider pedals
• the speed of the wind and how hard the rider pedals

Tags

NGSS.MS-PS2-2

Gathering Information through your senses is

• Inferring

• Classifying

• Observing

• Hypothesizing

Tags

NGSS.MS-LS1-8

Which of the following is an OBSERVATION that can be made from the picture?

• The birds are happy
• The birds are sitting in a tree
• The birds are protecting their nests
• THe birds are singing a song

What INFERENCE can be made about the picture

• The birds are in a tree
• The sun is visible
• THe birds are getting ready to eat the fruit
• The tree is on a hill

Tags

NGSS.3-LS2-1

The tread on a tire increases the______________between the road and the tire.

• friction

• sliding

• distance

• mass

Tags

NGSS.MS-PS2-2

A good hypothesis must be able to be

• tested

• variable

• independent

• manipulated

Tags

NGSS.MS-PS2-2

The facts and figures gathered in an experiment are known as

• Opinions

• Data

• Conclusion

• Hypothesis

Tags

NGSS.MS-PS1-2

When you increase the angle of a ramp that a car is rolling on the acceleration will

• decrease

• stay the same

• increase

• not change

Tags

NGSS.MS-PS2-2