1. An experiment was done to determine if the time it takes to run a kilometer is related to the amount of exercise a person gets. Independent/Manipulated Variable: [ ]
Dependent/Responding Variable: [! ]

2. An experiment was done to determine if the rate at which an egg cooked depended on the temperature of water in which it was boiled.
Independent/ Manipulated Variable: [ ]
Dependent/Responding Variable: [ ]

3. An investigation was done to see if keeping the lights on for different amounts of time each day affected the number of eggs chickens laid.
Independent/ Manipulated Variable: [ ]
Dependent/Responding Variable: [ ]

4. An experiment was done to determine if the temperature of water in a lake varied at different depths.
Independent/ Manipulated Variable: [ ]
Dependent/Responding Variable: [ ]

5. An experiment was done to determine if grass will grow taller if it is watered weekly than grass that is not watered.
Independent/ Manipulated Variable: [ ]
Dependent/Responding Variable: [ ]

6. An experiment was done to determine if grass will grow taller if it is watered weekly than grass that is not watered.
Experimental group: [ ]
Control group: [ ]

7. An experiment was done to determine students earn higher grades when getting candy at the end of the day. One class of 5th graders got candy and one did not get candy.
Experimental group: [ ]
Control group: [ ]

8. A drug company is testing a new drug to prevent eating too much candy. One group of 100 people receive the new drug and another group of 100 gets a placebo (fake drug). They record how much candy they eat.
Experimental group: [ ]
Control group: [ ]

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