SC 7 N 2 1

What is the only process that removes carbon from the atmosphere?

• combustion

• cellular respiration

• photosynthesis

• decomposition

Tags

NGSS.MS-LS1-6

Which of the following contribute to the increase in the content of water vapour in the air? (Choose more than one answer)

• Rain

• Defecation

• Transpiration

• Photosynthesis

Tags

NGSS.MS-ESS2-4

Which of the following statements best describe the oxygen cycle?

• A cycle that involves the use and releases of oxygen.

• A cycle that involves photosynthesis and respiration

• A cycle that involves the use of water and carbon

• A cycle that involves the use of oxygen and carbon dioxide

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is a factor, usually being measured or observed, that responds to, or depends on, another factor.

• Independent Variable

• Dependent Variable

• Controlled Variable

• Hypothesis

Tags

NGSS.MS-PS2-2

What is the variable manipulated by the experimenter in order to study changes in the outcome variable?

• Independent Variable

• Dependent Variable

• Controlled Variable

• Hypothesis

Tags

NGSS.MS-PS3-1

We tested the effect of water temperature on how fast a sugar cube dissolves. What was the independent variable?

• Time to Dissolve

• Amount of Water

• Water Temperature

• Beaker Size

Tags

NGSS.MS-PS1-4

We tested the effect of water temperature on how fast a sugar cube dissolves. What was NOT a controlled variable?

• Size of Sugar Cube

• Temperature of Water

• Size of Beaker

• Amount of Water

Tags

NGSS.MS-PS1-2

Why did each group test the amount of drops of water a penny could hold before changing their variable?

• It provides more data to include in a lab report

• It ensures that the hypothesis will be correct

• It adds an independent variable to the experiment.

• It is the control and serves as the basis for comparison

Tags

NGSS.MS-ETS1-3

NGSS.MS-ETS1-4

What are making multiple sets (trials) of measurements or observations in a scientific investigation.

• Repetition

• Replication

Tags

NGSS.MS-PS1-2

What is a statement that can be tested scientifically through experiments and/or other scientific investigations.

• Independent Variable

• Dependent Variable

• Controlled Variable

• Hypothesis

Tags

NGSS.MS-PS2-2