Question

instructions: Identify the independent and dependent variables. Type your answers under the corresponding statements/questions.

1. Does the number of hours a student study affect their test score?

a.

Independent variable:

b. Dependent variable:

2. Does a person’s height affect their weight?

a.

Independent variable:

b. Dependent variable:

3. Does the number of hours of sleeping affect a person’s score in a memory exercise?

a.

Independent variable:

b. Dependent variable:

4. The height of bean plants depends on the amount of water it receives.

a.

Independent variable:

b. Dependent variable:

5. Lemon trees receiving the most water produced the most lemons.

a.

Independent variable:

b. Dependent variable:

6. An investigation found that more bushels of potatoes were produced when the soil was

fertilized more.

a.

Independent variable:

b. Dependent variable:

7. Students measured the temperature of the water at different depths in Lake Skywalker and

found that the temperature varied.

a.

Independent variable:

b. Dependent variable:

8. Four groups of rats are first massed and then fed identical diets except for the amount of

vitamin A they receive. Each group gets a different amount. After 3 weeks on the diet, the rats’

masses are measured again to see if there has been a decrease.

a.

Independent variable:

b. Dependent variable:

9. Students of different ages were given the same puzzle to assemble. The puzzle assembly time

was measured.

a.

Independent variable:

b. Dependent variable:

Answer 1

1. Does the number of hours a student study affect their test score?
a. Independent variable: Study time.

b. Dependent variable: Test score.

2. Does a person’s height affect their weight?

a. Independent variable: Height.

b. Dependent variable: Weight.

3. Does the number of hours of sleeping affect a person’s score in a memory exercise?

a. Independent variable: Sleep time.

b. Dependent variable: Memory.

4. The height of bean plants depends on the amount of water it receives.

a. Independent variable: Water.

b. Dependent variable: Height of bean plants.

Please post the other questions separately. As per our answering guidelines we are supposed to answer just one question or four sub parts of the same question.