Experimental Design

Front

What is the DEPENDENT variable (effect) in this experiment? "Does eating breakfast improve test scores?"

Back

the grade you got on the test

Front

What is the INDEPENDENT VARIABLE when testing how the amount you water a plant affects its growth?

Back

The amount you water each plant.

Front

In an experiment on plants to see how different liquids affect growth, what is the independent variable? Options: The type of plant, The amount of sunlight, The type of music, The type of liquid

Back

The type of liquid

Front

What is the independent variable in Mr. Pransky's experiment on how different surfaces affect a tennis ball's bounce height?

Back

the different surfaces

Front

What is the independent variable in the hypothesis: "If salt is added to water then the boiling point of water will decrease (go down)."?

Back

Whether salt is added or not

Front

What is the dependent variable when testing the time it takes for objects of different sizes to reach the ground after being dropped from 30 feet?

Back

The time it takes for each object to hit the ground.

Front

What is the independent variable in Steve's experiment on sunflower growth?

Back

Type of fertilizer

Front

What is the dependent variable in Molly's investigation on whether the age of students affects their driving skills?

Back

Skill of driving

Front

What is the dependent variable when testing if an iPhone breaks when dropped from different heights?

Back

If they broke

Front

Can you have more than one independent variable in a controlled experiment?

Back

False