Independent Dependent Variable

A cow is given a growth hormone and then compared to another cow that was not given a growth hormone. Both cows were weighed after 2 years. Identify the independent variable.

• breed of cow

• weight

• growth hormone

• 2 years

Tags

NGSS.MS-LS1-5

A cow is given a growth hormone and then compared to another cow that was not given a growth hormone. Both cows were weighed after 2 years. Identify the control.

• The cow given the growth hormone.

• The cow NOT given the growth hormone.

• The cow that weighs the most.

• Both cows

Tags

NGSS.MS-LS1-5

Mosquito repellent is sprayed on one arm and the other arm is not sprayed. The number of mosquito bites is counted after 2 hours. Identify the control.

• spraying on mosquito repellant

• NOT spraying on mosquito repellant

• number of mosquito bites

• 2 hours

Tags

NGSS.MS-LS2-4

Mosquito repellent is sprayed on one arm and the other arm is not sprayed. The number of mosquito bites is counted after 2 hours. Identify a constant.

• spraying on mosquito repellant

• NOT spraying on mosquito repellant

• number of mosquito bites

• 2 hours

One grape is placed in tap water and another grape is placed in salt water. The change in their mass is measured after a day. Identify the independent variable.

• mass

• salt water

• one day

• electronic balance

Tags

NGSS.MS-LS1-5

One grape is placed in tap water and another grape is placed in salt water. The change in their mass is measured after a day. Identify the dependent variable.

• mass

• salt water

• one day

• electronic balance

Tags

NGSS.MS-LS1-5

One grape is placed in tap water and another grape is placed in salt water. The change in their mass is measured after a day. Identify the control.

• grape in tap water

• grape in salt water

• mass

• one day

Tags

NGSS.MS-LS1-5

One grape is placed in tap water and another grape is placed in salt water. The change in their mass is measured after a day. Identify a constant.

• grape in tap water

• grape in salt water

• mass

• one day

Tags

NGSS.MS-LS2-1

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?

• If a chicken was injected with a growth hormone or not

• The weight of the chicken

• The type of chicken

Tags

NGSS.MS-LS1-5

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 dependent variable?

• If the chicken was injected with a growth hormone or not

• The weight of the chicken

• The type of chicken

Tags

NGSS.MS-LS1-5