Lab Safety Test

If you are working with an open flame:

• your sleeves should be long and loose
• Never leave an open flame unattended
• Hold your hand over the burner to test flame temperature
• Adjust the flame to burn blue to white hot.

When heating up materials in a test tube:

• Keep the material in a constant gentle motion, and do not point the mouth at anyone
• Shake the test tube up and down while looking down over the contents to confirm it is not burning.
• Hold the test tube very steady
• Direct the test tube at the other lab team to avoid direct contact with yourself.

If you break glassware, like a test tube:

• Sweep the glass off the table, and put it into the trash.
• Alert those around you of the hazard and notify your teacher to allow for proper disposal.
• Conceal the accident so your team does not get a bad reputation
• Crush the remaining glass fragments down to allow for easier disposal

When is it appropriate to eat or drink in the lab?

• Never
• When you are feeling sick
• When you have just come from practice and didn't have time to eat
• Anytime you feel like it

Which of the following should NOT be done in case of a fire?

• Run around the room screaming
• Use a fire blanket to smother fire, especially if a person is burning.
• Notify the teacher immediately.
• Use the fire extinguisher and point it at the base of the flame.

When is it important to wear safety goggles or glasses

• All of these are examples of when safety eye-wear should be worn
• When instructed by your teacher to wear eye protection
• When working with a gas burner
• When working with chemicals

How should you dispose of chemicals?

• You should put chemicals down the sink while running the water.
• Chemicals should be wrapped carefully in a chemical resistant material and placed in the trash can.
• Chemicals should be left on the lab table for the teacher to dispose.
• According to the teacher's directions.

Tags

NGSS.HS-LS2-7

What is a beaker used for

• Used to support a crucible during heating
• Used to hold, mix, and heat liquids
• Used to measure a precise volume of a liquid
• Used to transfer solids

What is a balance used for

• Used to heat liquids for evaporation
• Used to light a Bunsen burner
• Used to transfer solids
• Used for measuring mass

What is a fire blanket used for? (Choose all that apply)

• Used for putting out very large fires
• Used for containing and controlling chemical spills
• Used to keep warm during lab
• Used for smothering fires