Mid Term Exam

What are the two branches of sciences that make up Physical Science?

• Chemistry and Physics

• Physics and Psychology

• Chemistry and Geometry

• Geology and Chemistry

A Hypothesis is

• An animal

• An educated guess

• The result and conclusion

• The observation

A constant in an experiment

• Always changes

• Always vary

• Always show the results

• Always stay the same

What is the final step in the Scientific Method?

• Problem

• Hypothesis

• Conclusion

• Scientific Method

If there was an accident in the lab, what is the first thing that you should do?

• Run away

• Run out the door

• Tell a classmate

• Tell the teacher

What is an inference?

• A guess of judgement based off prior knowledge

• Description using 5 senses

• A collection of data

• Something that you test in an experiment

Tags

NGSS.MS-LS2-1

The Independent Variable is defined as

• The variable that results

• The variable that changes

• The variable that stays the same

• The variable that does nothing

Tags

NGSS.MS-PS2-2

What is accuracy?

• How many times a value is repeated

• How close a value is to being correct

How many significant figures are in this number 0.09840

• 1

•    3

•   5

•   4

Precision is

 

• How many times a value is repeated

• How close a value is to being correct