Which of the following is a correct lab safety rule?

• Eat and drink in the lab if you are careful.

• Know what equipment is being used and what it is used for.

• Wear open shoes in the lab for comfort.

• Ignore safety symbols in the lab.

What should you do if there is an accident in the lab?

• Try to fix it yourself.

• Ignore it and continue working.

• Inform your teacher immediately.

• Leave the lab without telling anyone.

Which of the following is NOT a recommended lab safety practice?

• Dispose of materials properly.

• Keep your lab area clean and uncluttered.

• Sniff lab chemicals to identify them.

• Know where the nurse and emergency equipment are located.

Why is it important to pull long hair up when working in the lab?

• To look stylish.

• To prevent hair from catching fire or contaminating experiments.

• To keep it out of your face only.

• Because the teacher says so.

How many people per group are allowed to get supplies or use equipment at a time?

• 2

• 3

• 1

• 4

What should you do before doing anything in the lab or following lab instructions?

• Ask your friend for help.

• Do it without asking.

• Get your teacher’s permission first.

• Wait until the end of class.

What is the primary use of a test tube rack in a laboratory?

• To measure the temperature of substances

• To hold and dry test tubes

• To weigh chemicals

• To transfer liquids between containers

Which piece of equipment is used to hold small amounts of pre-measured substances and can also be used for heating substances?

• Beaker

• Test tubes

• Weigh boat

• Pipette

What is the function of a thermometer in a science lab?

• To measure mass

• To transfer chemicals

• To measure how much heat energy is in an object

• To hold test tubes

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Which equipment would you use to determine the mass of a small, light object?

• Test tube rack

• Digital balance

• Beaker

• Thermometer