Independent and Dependent Variables

Front

One chicken is injected with a growth hormone while another chicken is not injected with a growth hormone. After one year, both chickens are weighed. What is the independent variable?

Back

If a chicken was injected with a growth hormone or not

Front

What is the dependent variable when one chicken is injected with a growth hormone and another is not, and both are weighed after one year?

Back

The weight of the chicken

Front

A bug repellent was sprayed on one arm. On the other arm, the bug repellent was not sprayed. After 2 hours, the number of bug bites are recorded. What is the independent variable?

Back

If an arm was sprayed with bug repellent or not

Front

A bug repellent was sprayed on one arm. On the other arm, the bug repellent was not sprayed. After 2 hours, the number of bug bites are recorded. What is the dependent variable?

Back

The number of bug bites

Front

What is the independent variable in the scenario where Javier and his twin sister have the same science exam, but Javier sleeps for 9 hours and his sister sleeps for 6 hours before the exam?

Back

The number of hours of sleep they had

Front

Javier and his twin sister both have the same science exam. Javier sleeps for 9 hours the night before the exam and his sister sleeps for 6 hours. After they take the test, they both compare their test grades. What is the dependent variable?

Back

The test grades

Front

What is the independent variable in the scenario where Group A exercises for a month and Group B does not?

Back

If group exercises or not

Front

Group A decides to exercise for a month. Group B decides not to exercise during the same month. Afterwards, they measure the amount of weight that each group lost. What is the dependent variable?

Back

How much weight each group lost

Front

What is the independent variable when comparing test scores of a class that studies and a class that does not?

Back

If a class studies or not

Front

What is the dependent variable when comparing test scores of a class that studies and a class that does not?

Back

The test scores