Unit 1: Method

How many Variables should be tested at a time?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-ETS1-4

Please choose the INDEPENDENT variable in the following sentence: "How does the amount of light affect the growth of a plant?"

• growth of a plant

• amount of light

• How much the plant is being watered

Tags

NGSS.MS-LS1-5

Please choose the DEPENDENT variable in the following sentence: "How does the amount of light affect the growth of a plant?"

• growth of a plant

• amount of light

• How much the plant is being watered

Tags

NGSS.MS-LS1-5

NGSS.MS-LS1-6

Please choose an example of a constant that would need to stay the same in the following experiemnt: "How does the amount of light affect the growth of a plant?"

• growth of a plant

• amount of light

• How much the plant is being watered

Tags

NGSS.MS-LS1-5

NGSS.MS-LS1-6

In the following experiment scenario, which of hte options is the

CONTROLLED variable?

"You water three Sunflower plants with salt water. Each plant receieves a different concentration of salt solutions. A fourth plant receives pure water. After a two-week period, the height is measured."

• The different conscentrations of salt solutions

• THe height measured

• the 4th plant receiving pure water

• The lighting of the sunflowers

In the following experiment scenario, which of hte options is the

INDEPENDENT variable?

"You water three Sunflower plants with salt water. Each plant receieves a different concentration of salt solutions. A fourth plant receives pure water. After a two-week period, the height is measured."

• The different conscentrations of salt solutions

• THe height measured

• the 4th plant receiving pure water

• The lighting of the sunflowers

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

In the following experiment scenario, which of hte options is the

DEPENDENT variable?

"You water three Sunflower plants with salt water. Each plant receieves a different concentration of salt solutions. A fourth plant receives pure water. After a two-week period, the height is measured."

• The different conscentrations of salt solutions

• THe height measured

• the 4th plant receiving pure water

• The lighting of the sunflowers

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Controlled Variables and Constants are the same thing.

• TRUE

• FALSE

In an experiment you can be testing several different variables at the same time and the experiment be effective.

• TRUE

• FALSE

Tags

NGSS.MS-PS2-2

Please choose whether the sentence below is OBSERVING or INFERRING:

"The boy wore a red coat"

• OBSERVING

• INFERRING