Experimental Design

Front

The parts of the experiment that must be kept the same.

Back

Constants

Front

In Maya's experiment on lima bean seed growth, what variable should be CHANGED? Options: the amount of water, the kind of plant, the type of soil, the amount of sunlight it gets.

Back

the amount of water

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Front

What is the independent variable in Esther's insulation experiment?

Back

The type of insulation

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Front

Why is the placebo effect used?

Back

To compare results between the real medicine and placebo

Front

How many variables should you change in an experiment?

Back

only 1

Front

The type of variable that responds to the experiment and is what you measure or count to determine if your hypothesis is true.

Back

Dependent

Tags

NGSS.MS-PS3-4

Front

Thomas tests different types of liquids to see which will grow his plants the most. He has water, soda, milk, and no liquid at all. What is the control group?

Back

the one with no liquid

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Front

In a baseball throwing investigation, what should be kept constant? Options: height of the players, color of the balls thrown, order in which the players throw, spot from which the players throw.

Back

spot from which the players throw

Tags

NGSS.MS-PS2-2

Front

What is the dependent variable in an experiment where the mass of a ball affects the distance it rolls off a ramp?

Back

distance traveled by the ball

Tags

NGSS.MS-PS2-2

Front

What is the dependent variable in Cindy's plant growth experiment?

Back

The growth of the plant

Tags

NGSS.MS-LS1-5