Semester Test 2024

The first and second step of the scientific method are:

• Question and Conclusion

• Question and Experiment

• Hypothesis and Data

• Question and Hypothesis

An independent variable is the variable that is being:

• Measured

• Analyzed

• Controlled

• Tested

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-4

A dependent variable is the variable that is being:

• experimented on

• tested

• measured

• controlled

A control variable is the variable that is:

• controlled and analyzed and stays the same between experiments

• controlled and measured and stays the same between experiments

• controlled and tested and stays the same between experiments

• controlled and stays the same between experiments

Tags

NGSS.MS-PS2-2

A _____ observation is one that describes something. Example: The grass is green.

• blind

• quantitative

• controlled

• qualitative

A _____ observation uses numbers to explain. Example: It is 67 degrees outside.

• quantitative

• qualitative

• blind

• experimental

Tags

NGSS.MS-PS3-1

The scientific method is a process to _______ establish empirical facts through testing and observation.

• subjectively

• use facts to

• objectively

• use a theory to

Tags

NGSS.MS-PS1-2

NGSS.MS-PS2-2

In everyday use, the word theory often refers to _______

• a guess

• an untested hypothesis or a guess without supporting evidence

• an uneducated guess

• a well substantiated explanation of an aspect of the natural world

Tags

NGSS.MS-LS1-4

I create an experiment to measure which brand of sponge can absorb the most water. I use 3 different brands of sponge, 3 of the same beakers filled with 30 mL of water from the faucet at room temperature. What is the independent, dependent, and control variable? Select 3 options.

• Independent: Brand of sponge

• Dependent: Amount of water absorbed

• Control: Temperature of water

• Control: Brand of sponge

If your hypothesis supports your conclusion then you successfully completed the steps of the scientific method. If your hypothesis does not support your conclusion then you will need to redo your _______ and retest your experiment.

• data

• hypothesis

• analysis

• question

Tags

NGSS.MS-PS1-2