One group of people is sprayed with Bug Spray #1, another group with Bug Spray #2, and third group with Bug Spray #3. One group doesn’t wear any bug spray. Each of the groups go outside for 6 hours and the number of bug bites on each person is recorded.

What is the dependent variable?

One group of people is sprayed with Bug Spray #1, another group with Bug Spray #2, and third group with Bug Spray #3. One group doesn’t wear any bug spray. Each of the groups go outside for 6 hours and the number of bug bites on each person is recorded.

What is the control group?

You water three sunflower plants with salt water. Each plant receives a different amount of salt in the water. A fourth plant receives regular water. After two weeks the height is measured.

What is the independent variable?

You water three sunflower plants with salt water. Each plant receives a different amount of salt in the water. A fourth plant receives regular water. After two weeks the height is measured.

What is the dependent variable?

You water three sunflower plants with salt water. Each plant receives a different amount of salt in the water. A fourth plant receives regular water. After two weeks the height is measured.

What is the control group?

Three redwood trees are kept at different humidity levels in greenhouses for 12 weeks. One is left outside in normal conditions. The trees’ heights are measured once a week.

What is the independent variable?

Three redwood trees are kept at different humidity levels in greenhouses for 12 weeks. One is left outside in normal conditions. The trees’ heights are measured once a week.

What is the dependent variable?

Three redwood trees are kept at different humidity levels in greenhouses for 12 weeks. One is left outside in normal conditions. The trees’ heights are measured once a week.

What is the control group?

One tank of goldfish is fed the normal amount of food once a day. A second is fed twice a day. A third is fed four times a day. The fish’s weights are recorded daily.

What is the independent variable?

One tank of goldfish is fed the normal amount of food once a day. A second is fed twice a day. A third is fed four times a day. The fish’s weights are recorded daily.

What is the dependent variable?

One tank of goldfish is fed the normal amount of food once a day. A second is fed twice a day. A third is fed four times a day. The fish’s weights are recorded daily.

What is the control group?

You want to test which size soccer ball is easiest to juggle with your feet. You test a size 3, size 4, and size 5 ball (regular one). You count and record the seconds you juggle each soccer ball.

What is the independent variable?

You want to test which size soccer ball is easiest to juggle with your feet. You test a size 3, size 4, and size 5 ball (regular one). You count and record the seconds you juggle each soccer ball.

What is the dependent variable?

You want to test which size soccer ball is easiest to juggle with your feet. You test a size 3, size 4, and size 5 ball (regular one). You count and record the seconds you juggle each soccer ball.

What is the control group?

Pea plants are given different amounts of water for three weeks. The first plant receives 400 milliliters per day, the second receives 200 milliliters per day, the third receives 100 milliliters per day, and the fourth plant does not receive any extra water (natural amount from rain). The heights of the pea plants are recorded daily.

What is the independent variable?

Pea plants are given different amounts of water for three weeks. The first plant receives 400 milliliters per day, the second receives 200 milliliters per day, the third receives 100 milliliters per day, and the fourth plant does not receive any extra water (natural amount from rain). The heights of the pea plants are recorded daily.

What is the dependent variable?

Pea plants are given different amounts of water for three weeks. The first plant receives 400 milliliters per day, the second receives 200 milliliters per day, the third receives 100 milliliters per day, and the fourth plant does not receive any extra water (natural amount from rain). The heights of the pea plants are recorded daily.

What is the control group?