variable identification & graphs

This variable in an experiment is the one being deliberately changed by the scientist. 

• dependent variable
• independent variable
• data
• control group

In a controlled experiment, how many variables can be worked with at a time? 

• one
• none
• two or more
• how ever many makes sense.

The part of the experiment that remains the same for the control and experimental group.

• constants
• control
• independent
• dependent

Mr. S. sets up an experiment to see how the mass of a ball affects the distance it rolls off a ramp.  Identify the independent variable.

• distance traveled by the ball
• height of the ramp
• mass of the ball
• weight of the ball

Tags

NGSS.3-5-ETS1-3

A student is planning an experiment to find out how the height from which he drops a ball affects how high the ball bounces. The dependent variable is the _____.

• Diameter of the ball
• Force acting on the ball
• Height that the ball bounces
• Height from which the ball is dropped

Tags

NGSS.3-5-ETS1-3

NGSS.3-PS2-2

Ramone wants to know: does the distance a person kicks a soccer ball effect how well they will do on their math test.  What is the dependent variable?

• How far they kick the soccer ball
• who the person is
• how well they do on the math test
• Type of soccer ball.

What would the INDEPENDENT variable be in an experiment testing which types of paper airplane goes furthest?

• the paper used
• the type of paper airplane
• the distance of each plane's flight
• how hard the plane is thrown

Tags

NGSS.3-5-ETS1-3

NGSS.3-PS2-1

On what day of the week did the most shooting stars occur?

• Monday

• Wednesday

• Thursday

• Friday

What pattern is evident on this line graph?

• Ability to do situps had no change as the days continued
• Ability to do situps decreased as the days continued
• Ability to do situps increased as the days continued
• Ability to do situps does not pertain to the graph

At 60 seconds, how far had this object traveled? 

• 0 m
• 10 m
• 20 m
• 40 m

Tags

NGSS.3-PS2-2