Scientific Method

Front

A possible explanation to a problem that has not yet been tested.

Back

hypothesis

Front

Anything that may affect the results of an experiment

Back

variables

Front

This variable in an experiment is the one being deliberately changed by the scientist. It is the only variable that is different between groups.

Back

independent variable

Front

What is the variable that we are measuring and collecting data about in an experiment?

Back

Dependent

Front

The name of the information that you get from your experiment (you organize it into charts and graphs).

Back

data

Front

What is the best written dependent variable for this hypothesis:

 "If I add salt to the plant, then it will grow taller."

Back

plant growth

Front

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 _____?

Back

Height that the ball bounces

Front

When experimenting with the growth of a plant, a scientist uses three (of the same type of) plants, two different fertilizers, equal light, and equal water. The fact that we kept the light, plant, and water the same in each experiment are examples of ____________.

Back

constants

Front

What is the dependent variable in Suzi's experiment on the effects of flavor on the tendency for ice cream to melt?

Back

time to completely melt

Front

Jo designed an experiment to determine if watching TV during studying affects a student's test grades. What is the independent variable?

Back

watching TV