Setting up an Experiment Check-in

What is the problem they are trying to address with the experiment?

• How does water affect plant growth?

• The more water the taller the grass will grow.

• How old is the elm tree?

• Why is grass green?

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-4

What is their hypothesis?

• If frogs are given water they will eat more grass.

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  If grass is watered then plant growth will increase.

  
  

• How does water affect plant growth?

• Add more water to one field of grass, but not to the other field

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

What is the purpose of a control group in an experiment?

• The control group is the group of people running the experiment.

• The control group is the question you are trying to answer.

• The control group is the setup that remains the same and is used for comparison.

• The control group is the setup that changes in the experiment.

What is the purpose of a variable in an experiment?

• The variable is the group of people running the experiment.

• The variable is the question you are trying to answer.

• The variable is the setup that remains the same in an experiment.

• The variable is the thing that makes a setup change in the experiment.

Tags

NGSS.MS-PS2-2

What is the purpose of a problem in an experiment?

• The problem is the data you gather by running the experiment.

• The problem is the question you are trying to answer by running the experiment.

• The problem is your best guess at the results of an experiment.

• The problem is a summary of the results in the experiment.

Which of the following was true of this experiment?

• The control group did not get water. The experimental group did get water.

• The control group had less grass planted while the experimental group had more grass planted.

• They did not keep anything constant between the control and experimental groups.

• The problem was not able to be tested in this experiment.