Envi. Test 1 Review

A prediction or guess based on observations.

• data
• scientific process
• hypothesis
• question

The information you collect while doing your experiment is called

• conclusions

• data

• hypotheses

• procedures

Tags

NGSS.MS-PS1-2

The independent variable is the ONE thing you _____.

• change on purpose
• control or keep constant
• measure

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-4

The variable that is being measured or observed is called the _______________. Hint: this is the variable that is the result or effect

• independent variable

• dependent variable

• control variable

Tags

NGSS.MS-PS2-2

How many independent variables should you have in an experiment?

• two

• as many as possible

• four

• one

Tags

NGSS.MS-PS2-2

In a laboratory, the following should NOT be worn

• gloves

• open toed shoes

• apron

• goggles

If you do not understand a direction or part of a lab procedure, you should

• figure it out on your own as you go

• ask your teacher

• guess

• write a pros and cons list

Horseplay or practical jokes in the laboratory are

• ok as long as  you're done
• always accepted
• dangerous and could cause harm and invalidate the experiment
• fun

You have been injured in the laboratory (cut, burn, etc.). First you should

• apply first aid yourself
• tell the science instructor at once
• see a doctor after school
• visit the school nurse after class

You are heating a piece of glass and now want to pick it up. You should 

• pour cold water on it
• use tongs
• pick up the end that looks cooler
• use a rag or paper towels