Variables

Front

Which variable do you change for a scientific investigation?

Back

Independent variable

Front

Which variable reacts to what you change in a scientific investigation?

Back

Dependent variable

Front

What is a hypothesis?

Back

an educated guess; what you think will happen

Front

What is the independent variable in this experiment? Will a person wake up earlier if they drink water?

Back

the water

Front

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

Back

how fast you write

Front

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

Back

the type of treat

Front

Why do we only test one variable at a time?

Back

We want to know what is causing the change that occurs

Front

Generally, how many times should each trial in an experiment be repeated?

Back

3

Front

Controlled variable when testing ability to jump different distances?

Back

the time of day you train

Front

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?

Back

controlled variable