8th Grade Science Review

Front

A scientific theory...

Back

is based on lots of evidence

Front

Which of the following is an explanation for a natural phenomenon that is supported by a large body of scientific evidence? Options: scientific theory, scientific law, hypothesis, observation

Back

scientific theory

Front

A scientific ____________ is a statement that describes what always happens under certain conditions in nature.

Back

law

Front

What is a law?

Back

Describes what happens

Front

What type of variable is the fertilizer when experimenting with the growth of a plant using three plants, two different fertilizers, equal light, and equal water?

Back

Independent

Front

Research Question: Does the type of gasoline put in a car effect how fast the car can drive. What is the independent variable?

Back

Type of gasoline

Front

Ms. S set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. What is the dependent variable?

Back

Distance traveled by the ball

Front

The independent variable is the ONE thing you _____

Back

change

Front

Walker is testing which fertilizer will grow the tallest grass. The height of the grown grass is the __ variable.

Back

dependent (measured)

Front

Why do scientists use the scientific method?

Back

To make sure their results are valid and can be performed by other scientists.