Variable

What is the independent variable in the experiment? Mr. Block wants to see which treat causes her cat, Whiskers, to jump the highest.

• the type of treat

• how high Whiskers jumps

• the type of cat

• Mr. Block

Tags

NGSS.MS-ETS1-1

Why do we only test one variable at a time?

• It is too much work to use more than one variable

• It is how it's always been done

• We want to know what is causing the change that occurs

• There is no reason

Tags

NGSS.MS-PS2-2

In an experiment where you see how the height of a roller coaster track affects the speed of a roller coaster, the type of roller coaster is what type of variable?

• dependent variable

• independent variable

• controlled variable

• none of these

What is the dependent variable in this experiment? Does the type of pen determine how fast you write?

• the type of pen

• how fast you write

• the person writing

• none of these

If you were testing the time it took for objects of different sizes to reach the ground after being dropped from 30 feet in the air, which of these would be the DEPENDENT VARIABLE?

• The time it takes for each object to hit the ground.

• The size of each object.

• The type of object you use.

• The height you drop the object from

Tags

NGSS.MS-PS2-2

What is the manipulated variable?

• what we are changing or testing

• what we are observing or measuring

• what we keep the same to make the experiment fair

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-4

What is the responding variable?

• what we are changing or testing

• what we are observing or measuring

• what we are keeping the same to make the experiment fair

Tags

NGSS.MS-PS1-2

What are the constant variables?

• what we are changing or testing

• what we are observing or measuring

• what we keep the same to make the experiment fair

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-4

Scientific Question: Does being tardy impact test scores?

• test scores

• the time a student arrives to class

• amount of time to complete test

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