Variables

Part of an experiment that is kept the same is called a

• hypothesis

• constant

• theory

• inference

Which of the following is the part of the experiment being measured?

• independent variable

• dependent variable

• control

• constant

Tags

NGSS.MS-PS2-2

Which of the following can be manipulated in the experiment?

• independent variable

• dependent variable

• control

• constant

Tags

NGSS.MS-PS3-4

A conclusion drawn from observations you collect is called a/an

• theory

• hypothesis

• control

• inference

Tags

NGSS.MS-LS1-3

If teachers are given chocolate, the amount of homework will decrease. What is the independent variable?

• the amount of chocolate given

• the amount of HW given

• time of day

• all of the above

If plants are watered, then growth will increase.

What is the dependent variable?

• the amount of water given

• the growth of the plant

• the amount of sunlight

• the type of soil

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

When studying while listening to music, the test score will improve. What is the dependent variable?

• whether music was listened to or not

• test score

• how long the test is

• none of the above

List 2 constants for this experiment: If plants are watered, then growth height will increase.

• amount of water, amount of sunlight

• soil, amount of sunlight

• height of plant, amount of water

• height of plant, soil

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

If I brush my teeth every day, then I will not develop cavities. What is the independent variable?

• development of cavities

• age of person

• whether the teeth get brushed or not

• type of toothpaste

Will I get cavities if I don't brush my teeth? What is an appropriate hypothesis?

• Will I get cavities if I don't brush my teeth?

• If I eat my dinner, I won't get cavities.

• Candy causes cavities.

• If I don't brush my teeth, I will not get cavities.