Scientific Method Review

Step 1 in the Scientific Method

• problem

• experiment

• observe

• results

The last step in the Scientific Method

• results

• hypothesis

• observe

• conclusion

This step of the scientific method involves the 5 senses.

• results

• data

• observe

• problem

A possible explanation to a problem that has not yet been tested. An if, then, statement.

• data

• theory

• hypothesis

• fact

This variable in an experiment is the one being deliberately changed by the scientist. 

• dependent variable
• independent variable
• data
• control group

Should experiments be repeated over and over to see if the results are the same each time?

• yes
• no

In a controlled experiment, how many independent variables can be worked with at a time? 

• one
• none
• two or more
• how ever many makes sense.

A list of the steps anyone could follow to conduct an experiment. 

• obervations
• question/problem
• materials
• procedures

Mrs. Hathaway sets up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. Identify the independent variable.

• distance traveled by the ball

• height of the ramp

• mass of the ball

• weight of the ball

A scientist wants to determine what kind of fertilizer works best to grow tall tomato plants. She uses Four tomato plants, two different fertilizers, equal light, and equal water. What type of variable is the fertilizer?

• Dependent

• Independent

• Control

• Compound