Scientific Method

A ​ ​ ​ (a)   variable changes in response to another variable.

• dependent
• independent

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-4

The variable that is being tested, counted, or measured and is what you look at the end of an investigation is called ...

• Control
• Constant
• Independent Variable
• Dependent Variable

The independent variable...

• Can be whatever we want it to be

• Changes based on the other variable

Tags

NGSS.MS-PS2-2

You want to know which brand of fertilizer is best for your plants. What is the independent variable?

• the fertilizer

• the health of your plants

Tags

NGSS.MS-LS2-1

You want to compare brands of paper towels, to see which holds the most liquid. Which is the dependent variable?

• the brand of paper towel

• the amount of water

You suspect the amount of television a person watches is related to their age. What is the dependent variable?

• age

• the amount of tv time

You want to know which brand of microwave popcorn pops the best.

What is the dependent variable?

• brand of popcorn

• the amount of kernels popped

In an experiment, constants should always be

• different

• the same

• kind of the same

• none of the above

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.MS-PS3-5

How many people were polled in this survey?

• 5 people

• 40 people

• 100 people

• 145 people