Experimental Design Practice

A student wants to investigate the effect of the amount of water on plant height. What is the dependent variable?

• The amount of water.

• The amount of soil.

• The height of the plant.

• The amount of light.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

A student wants to investigate the effect of the amount of water on plant height. Name the independent variable.

• The height of the plant

• The size of the pot

• The amount of water

• The amount of light.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

The parts of the experiment that must be kept the same.

• Controlled Variables

• Independent Variables

• Dependent Variables

• Control Treatment

The type of variable that responds to the experiment and is what you measure.

• Independent

• Dependent

• Control

Tags

NGSS.MS-PS2-2

A student wants to investigate the effect of the amount of water on plant height. Which of these would not be a controlled variable?

• The amount of soil.

• The pot size.

• The type of plant.

• The amount of water.

Tags

NGSS.MS-ETS1-1

NGSS.MS-LS2-1

Jose wants to find out which fertilizer helps flowers grow the most. He gives plants in group A liquid fertilizer, plants in group B solid fertilizer and plants in group C no fertilizer

How many treatments are NOT control treatment(s)

• 1

• 2

• 3

• There are no experimental groups

Jose wants to find out which fertilizer helps flowers grow the most. He gives plants in group A liquid fertilizer, plants in group B solid fertilizer and plants in group C no fertilizer

Which group(s) of plants is/are NOT control treatments?

• Just A

• Just B

• A and B, but not C

• A, B, and C

Jose wants to find out which fertilizer helps flowers grow the most. He gives plants in group A liquid fertilizer, plants in group B solid fertilizer and plants in group C no fertilizer

Which group(s) of plants is/are the control treatment?

• Just A

• Just B

• A and B, but not C

• C but not A and B

Tags

NGSS.MS-LS2-1

Jose wants to find out which fertilizer helps flowers grow the most. He gives plants in group A liquid fertilizer, plants in group B solid fertilizer and plants in group C no fertilizer

Which one is a NOT a controlled variable?

• Type of plants

• Types of Fertilizer

• Amount of water

• Amount of Sun

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2