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What is the DEPENDENT variable (effect) in this experiment?

"Does eating breakfast improve test scores?"

• eating breakfast or not

• the grade you got on the test

• what time you get up in the morning

• how tasty the breakfast is

You are testing how the amount you water a plant affects its growth. What would be the INDEPENDENT VARIABLE in this experiment.

• They type of pot you put the plants in.

• The amount you water each plant.

• The amount of sunlight the plants get.

• The amount the plant grows.

Mr. Pransky wants to see how different surfaces affect how high a tennis ball can bounce. What is the independent variable?

• the different surfaces

• using the same ball

• how high they bounce

The summary at the end of an experiment that explains the results. 

• conclusion
• procedures
• materials
• responding variable

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

• yes
• no

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

• yes
• no

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

• data
• theory
• hypothesis
• fact

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

• dependent variable
• independent variable
• control variable
• control group

A series of steps used by scientists to solve a problem or answer a question. 

• scientific method
• recipe
• data collection
• metric system

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

• obervations
• question/problem
• materials
• procedures