Sci 8 - Experiments

The variable that is changed on purpose in an experiment by a scientist is the?

• Independent Variable

• Dependent Variable

• Control

• Constants

Tags

NGSS.MS-PS2-2

How many independent variables should you have in an experiment?

• two

• as many as possible

• four

• one

The variable that is measured as a result of the experiment is the?

• Independent Variable

• Dependent Variable

• Control

• Constants

Tags

NGSS.MS-PS2-2

In an experiment to see how the amount of water affect the height a sunflower grows. What is the independent variable? The variable being tested/changed on purpose.

• Amount of water given to each plant. 

• Height the sunflower plant grows.

• Amount of fertilizer given to each plant.

• Number of potatoes produced by the plant. 

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

In an experiment to see how the amount of water affect the height a sunflower grows. What is the DEPENDENT variable? The variable being measured.

• Amount of water given to each plant. 

• Height the sunflower plant grows.

• Amount of fertilizer given to each plant.

• Number of potatoes produced by the plant. 

Tags

NGSS.MS-LS2-1

What are factors in an experiment that should remain the same?

• Independent Variable

• Dependent Variable

• Control group

• Constants

Tags

NGSS.MS-PS2-2

In an experiment to see how the amount of water affect the height a sunflower grows. Which of the following should remain constant? CHECK ALL THAT APPLY.

• Amount of water given to each plant. 

• Type of plant used.

• Amount of fertilizer given to each plant.

• Amount of sunlight

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Research Question: Does the type of gasoline put in a car affect how fast the car can drive.

What is the independent variable?

• Type of gasoline

• which car the gas is put into

• how fast the car can drive

• how much gas is put into the car

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1

An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid: water, apple juice, or milk. What should be kept constant? 

• type of plant, flower pot,  soil, and amount of sunlight
• water, apple juice, milk
• only the amount of sunlight
• type of plant only

Tags

NGSS.MS-LS1-5

In an experiment to see how the amount of fertilizer affects how many potatoes a plant produces.

What is the DEPENDENT variable? The variable being measured.

• Amount of water given to each plant. 

• Height the sunflower plant grows.

• Amount of fertilizer given to each plant.

• Number of potatoes produced by the plant. 

Tags

NGSS.MS-LS2-1