Gas Exchange

The variable that causes another variable to change. The experimenter changes it.

• Independent Variable

• Dependent Variable

• Control

• Hypothesis

Tags

NGSS.MS-PS2-2

A variable that will change depending on another variable in the experiment. The experimenter does not change this variable.

• Independent Variable

• Dependent Variable

• Control

• Hypothesis

The items in the experiment that do not get the variables you are testing for.

• Independent Variable

• Dependent Variable

• Control Group

• Hypothesis

Why did the balloon in our experiment increase in volume?

• Oxygen was produced in the flask.

• Carbon dioxide was produced in the flask.

• The sugar consumed the yeast.

• Somebody blew it up.

Tags

NGSS.MS-LS2-3

The process by which organisms use oxygen to break down food molecules to get energy and produce carbon dioxide.

• Control Group

• Independent Variable

• Hypothesis

• Cellular Respiration

Tags

NGSS.MS-LS2-3

An education guess.

• Cellular Respiration

• Oxygen

• Hypothesis

• Experiment

Tags

NGSS.MS-LS1-7

When you breathe, your lungs take in ___ and remove ___.

• air/oxygen

• oxygen/carbon dioxide

• carbon dioxide/waste

• waste/air

Tags

NGSS.MS-LS1-3

Which botte contains the most Carbon dioxide?

• A

• B

• C

• D

• E

Tags

NGSS.MS-PS1-2

Which bottle contains no Carbon Dioxide?

• A

• B

• C

• D

• E

Tags

NGSS.MS-PS1-2

Why did Carbon Dioxide get produced in our experiment?

• The sugar ate the yeast to produce Carbon Dioxide.

• The yeast ate the sugar to produce Carbon Dioxide.

• Photosynthesis occurred.

• Water mixed with yeast.