HS/Honors Midterm Review Semester 1

Why are approved eye protection devices (such as goggles) are worn in the lab?

• A. To improve your vision
• B. To make you look like a bug
•  C. To give you headaches
•  D. To protect eyes around chemicals, heat, or glassware

What should you do when gathering materials for an experiment?

•  A. Read all directions carefully
• B. Check all materials for chips or cracks (or broken)
• Clean the materials if they seem dirty/used
• D. All of the above

You may eat or drink in the science laboratory...

• after you have washed your hands.
• on the days you are not doing a lab.
• only from the beakers.
• at no time unless given teacher approval.

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

• data
• theory
• hypothesis
• fact

This variable in an experiment is the one being deliberately changed by the scientist. 

• dependent variable
• independent variable
• data
• control group

Tags

CCSS.6.EE.A.2C

Should experiments be repeated over and over to see if the results are the same each time?

• yes
• no

The summary at the end of an experiment that explains the results. 

• conclusion
• procedures
• materials
• responding variable

There are two types of data. Which type of data involves descriptions/photographs/illustrations that cannot be counted or measured?

• qualitative
• quantitative

A series of steps used by scientists to solve a problem or answer a question. 

• scientific method
• recipe
• data collection
• metric system

In a controlled experiment, how many independent variables can be worked with at a time? 

• one
• none
• two or more
• how ever many makes sense.