8th Grade Science 9 WEEKS TEST

Horseplay, practical jokes, or pranks in the classroom are...

• Okay

• Not dangerous

• Okay if you are working alone.

• Always against the rules.

All chemical wastes after an experiment should be...

• dumped in the sink.

• disposed according to your teachers instructions.

• taken home.

• left for someone else to clean up.

Which of the following should not be worn during a laboratory activity?

• dangling jewelry

• loose clothing

• sandals

• All of the above

Before you begin a lab, you should always...

• read all the directions
• if you have questions, ask the teacher
• make sure you have all the lab materials you need
• All of these answers

A possible explanation to a problem that has not yet been tested. 

• data
• theory
• hypothesis
• fact

In an experiment, the one variable that is changed is called the

• dependent variable

• independent variable

• experimental variable

• controlled variable

In an experiment, the factor that we measure is called the

• independent variable

• dependent variable

• conclusion

• controlled variable

There are two types of data. Which type of data involves numbers that are obtained by counting or measuring?

• quantitative
• qualitative

Tags

NGSS.MS-PS3-1

A list of the steps anyone could follow to conduct an experiment. 

• obervations
• question/problem
• materials
• procedures

Tags

NGSS.3-5-ETS1-3

Find the mean for the set of numbers:

2, 8, 11, 6, 10, 11

• 7.25

• 11

• 8

• 48