Experimental Design

Front

Students used various temperatures of water to see which one dissolved candy faster. What was the Independent Variable?

Back

Temperature of Water

Front

What is the dependent variable for the investigation where students wanted to see if the type of material affected the temperature after being placed under a heat lamp for 10 minutes?

Back

Temperature after 10 minutes

Front

Which testable questions could be tested using the materials in the picture and necessary measurement tools? Options: How does the moon effect the tides?, How many days does it take the earth to rotate?, How does the amount of direct sunlight affect temperature?, How does rotation of the earth effect temperature?

Back

How does the amount of direct sunlight affect temperature?

Front

What do you call the things you MUST keep the same to make sure your results are reliable and fair?

Back

Constants

Front

Which tool should students use to measure the dependent variable in their experiment on how the distance pulled back the bow string affects the distance the arrow travels? Options: Meterstick, Force sensor, Stop watch, Ruler

Back

Meterstick

Front

If plants receive more water, the number of leaves will increase. This is an example of

Back

Hypothesis

Front

What type of graph would you make if you were testing oven temperature on the color of cookie?

Back

Bar

Front

Which testable question is the student trying to answer? Options: Does the amount of tape used effect the number of laughs?, Does the amount of tape effect the number of minutes of the detention?, If I waste tape, my teacher is mad, All of the above are correct

Back

Does the amount of tape effect the number of minutes of the detention?

Front

To test the effects of roller coaster height on speed, what factors should you keep constant if my only tool is a stopwatch?

Back

Number of people on it

Front

Which of the following is an example of a dependent variable in a scientific experiment? The type of soil used, The number of seeds planted, The height a plant grows after two weeks, The amount of sunlight a plant receives

Back

The height a plant grows after two weeks