Experimental Design

Front

An educated guess that has not been tested.

Back

hypothesis

Front

How many variables should you change in an experiment?

Back

1

Front

The variable in an experiment deliberately changed by the scientist. The variable being tested.

Back

independent variable

Front

Independent variable when testing how well different dish soaps clean grease: dish type, amount of grease, dish soap type, grease type

Back

dish soap type

Front

The variable that depends on changes to the independent variable.

Back

dependent variable

Front

A factor in an experiment that stays the same.

Back

constant

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

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

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

Front

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

Back

The growth of the plant