1. Which of the following should be done to check on a container that is being heated?

• look directly into the opening of the container to check for boiling
• feel if the container is hot by touching it with the back of your hand
• smell the opening of the container to determine if the chemical reaction has taken place
• look at the side of the glass container to check for bubbling

2. Which of the following is acceptable in the science lab?

• Chewing gum
• Drinking water
• Eating a snack
• Wearing goggles

3. Which of the following is acceptable in the science lab?

• Sandals
• Open-toed shoes
• Closed-toed shoes
• Shoes appropriate for the weather

4. Personal eyeglasses provide as much protection as

• a face shield.
• safety glasses.
• splash-proof chemical goggles.
• none of the above.

5. SELECT ALL THAT APPLY: When gathering glassware and equipment for an experiment, you should

• read all directions carefully to know what equipment is necessary.
• examine all glassware to check for chips or cracks.
• clean any glassware that appears dirty.
• be sure that damaged equipment is used in the experiment.

6. You are heating a piece of glass and now want to pick it up. You should

• use a rag or paper towels.
• pick up the end that looks cooler.
• use tongs.
• pour cold water on it.

7. You are heating a substance in a test tube. Always point the open end of the tube

• toward yourself.
• toward your lab partner.
• toward another classmate.
• away from all people.

8. If you wear contact lenses in the school laboratory

• take them out before starting the lab.
• you do not have to wear protective goggles.
• advise your science instructor that you wear contact lenses.
• keep the information to yourself.

9. SELECT ALL THAT APPLY: Before you leave the science room, you should

• clean your work area and equipment.
• return all equipment to the proper storage area.
• wash your hands with soap and water.
• give a high five to students at lab groups.

10. When using scissors, always cut material

• away from you.
• toward you.
• in your hand.
• in a circle.