Independent and Dependent Variables

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 plant is given sunlight every day. Another plant of the same type is not given any sunlight. After 3 weeks, the height of each plant is measured. What is the independent variable?

• The type of plant

• If a plant receives sunlight or not

• How tall the plants are

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

One plant is given sunlight for 12 hours each day. Another plant of the same type is not given any sunlight. After 3 weeks, the plants are compared to see how green each one looks. What is the independent variable?

• How much sunlight each plant receives

• How green each plant looks

• The type of sunlight

Tags

NGSS.MS-LS1-5

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 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

What would the INDEPENDENT variable be in an experiment testing which  paper airplane design goes furthest?

• the paper used

• the paper airplane design

• the distance of each plane's flight

• how hard the plane is thrown

Tags

NGSS.MS-PS2-1

What is the independent variable in the following experiment: Does the amount of coffee students drink increase their test scores?

• Same test

• Amount of coffee

• Test scores

• Test scores without drinking coffee

What is the independent variable in an experiment where Nakia investigates the effect of temperature on the solubility of sugar in water?

• The amount of sugar

• The temperature of the water

• The solubility of sugar

• The type of water used

Answer explanation

The temperature of the water because it is being changed to observe its effect on the solubility of sugar in water.

Tags

NGSS.MS-PS1-4

Which of the following is the label for the independent variable.

• Money Collected

• Raising Money

• Boxes Sold

• None of the above

Tags

NGSS.MS-PS3-1

Talia noticed she ran faster when stretched before running. To test out her thinking, she wanted to see if stretching before running actually made a difference. What would Talia's independent variable be for this experiment?

• Stretching before workout v not stretching before workout

• The time it takes her to run with and without stretching

• The different types of shoes she wears while she runs

• Who is Talia and why do we care ;)

The independent variable is the ONE thing you _____.

• add up

• change

• keep the same

• measure

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-4