1st CFA Review 24-25

True or False: Long hair MUST be tied back during a laboratory investigation.

• True
• False

True or False: The wearing of flip flops and other open toed shoes are acceptable during a laboratory investigation during the hot summer months.

• True
• False

If you spill or break something during an experiment, what is the FIRST thing you should do?

• Tell the teacher.
• Clean it up. 
• Cover it with a paper towel.
• Leave it for someone else.

The lab equipment seen in the image should be worn during a lab investigation when...

• using glassware.
• using chemicals.
• using heat/fire.
• using any of the above.

after completing an experiment, all chemical waste should be

• left at your lab station for the next class

• disposed of according to your teacher's instructions

• dumped in the sink

• taken home

(True or False) It is okay to pick up broken glass with your bare hands as long as the glass is placed in the trash can

• true

• false

Never leave ___ unattended.

• a dissected pig

• a test tube

• an active heat source

• a freshman

What is the definition of "weight"?

• measure of the force of gravity on your body
• the time it takes to get on a ride 
• the amount of matter in an object
• the size of an object

A measure of how much matter an object has is--

• weight
• gravity
• mass
• volume

As an object's mass increases, its gravitational pull will ____________.

• decrease
• increase
• stay the same
• get weaker