Practice Midterm: Honors Physical Science

Lab clean up should be carried out according to:

• the instructor
• your lab partner
• yourself
• clean up is not required

When you are in the lab, you should wear:

• bulky sweatshirts
• dangling jewelry
• open toe shoes
• closed toe shoes

The most important reasons for keeping your workspace neat is to ...

• make the teacher happy
• prevent accidents or unsafe situations
• lose materials in the lab
• prevent the room from looking messy

This is used to produce flame for science experiments

• scoop

• funnel

• bunsen burner

• goggles

This is used to store and mix chemicals during an experiment

• fire extinguisher

• thermometer

• beaker

• tongs

Identify the equipment shown here:

• wire gauze
• flame spreader
• sieve
• mesh

What is an observation?

• Something you measure or detect with your senses.

• The way you feel about something

• An educated guess

• A theory that has been disproved

What is the scientific method?

• A systematic procedure for how to conduct a scientific experiment

• The process of solving a problem

• A way of making non-scientific observations

• A way to summarize findings from multiple investigations

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

• yes
• no

Testing a hypothesis often involves a(n):

• answer
• experiment
• problem
• safety check