Question Review for Chemistry -April 19

What is not allowed during lab time?

• Pranks

• Asking for help

• Working as a team at your table

• Having fun

Food or ______ are not allowed in the science classroom unless it is part of the lab itself.

• papers

• pencils

• gum

• water

What should you do if there is an accident during a lab?

• Clean it up

• Notify the teacher immediately

• Pretend it never happened

• Keep quiet

What should you do with your hands after an experiment?

• Throw your gloves away

• Wash your hands with soap and water

• Grab all the trash and throw it away

• Nothing your hands are good

The following footwear is required in the lab ________.

• Sandals.

• Open-toe shoes.

• Closed-toe shoes.

• Shoes appropriate for the weather.

Never remove chemicals, specimens, or other equipment from the laboratory.

• True

• False

in the lab, you should NEVER

• taste substances being used

• wear your goggles

• pull your hair up if its long

• wear close-toed shoes

What is used to protect your eyes from chemicals, broken glass, and fire?

• Fire blanket
• Eye wash
• Goggles
• Flask

How close a measurement is to the true value is called..

• Accuracy
• Precision
• Significant
• Estimate

When a measurement is repeatable and consistent it is said to have...

• High precision
• Low precision
• High accuracy
• Low accuracy