Dare To Dash Level 2
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- 1.Flammable materials, like alcohol, should never be dispensed or used near
- A.
An open door
- B.
An open flame
- C.
Another student
- D.
A sink
- 2.If a fire erupts in the class during a lab, immediately
- A.
Notify your instructor
- B.
Run for the fire extinguisher
- C.
Throw water on the fire
- D.
Open the windows
- 3.Approved eye protection devices such as goggles are worn in the laboratory
- A.
To avoid eye strain
- B.
To improve your vision
- C.
Only if you don't have corrective glasses
- D.
Any time chemicals, heat or glassware are used
- 4.After completing an experiment, all chemical wastes should be
- A.
Left at your lab station for the next class
- B.
Disposed of according to your instructor's direction
- C.
Dumped in the sink
- D.
Taken home
- 5.You are heating a substance in a test tube. Always point the open end of the tube
- A.
Toward yourself
- B.
Toward your lab partner
- C.
Toward another classmate
- D.
Away from all people
- 6.You are heating a piece of glass and now want to pick it up. You should
- A.
Use a rag or paper towels
- B.
Pick up the end that looks cooler
- C.
Use tongs
- D.
Pour cold water on it
- 7.You have been injured in the laboratory (cut, burn, etc.). First you should
- A.
Visit the school nurse after class
- B.
See a doctor after school
- C.
Tell the science instructor at once
- D.
Apply first aid to yourself
- 8.Personal eyeglasses provides as much protection as
- A.
A face shield
- B.
Safety glasses
- C.
Splashproof chemical googles
- D.
None of the above
- 9.Long hair in the laboratory must be
- A.
Cut short
- B.
Held away from the experiment with one hand
- C.
Always neatly groomed
- D.
Tied back or kept entirely out of the way by tying it with a hair band.
- 10.If a piece of equipment is not working properly, stop, turn it off, and tell
- A.
The custodian
- B.
Your lab partner
- C.
Your best friend in the class
- D.
The science teacher
- 11.When you finish working with chemicals, biological specimens, and other lab substances, always
- A.
Treat your hands with skin lotion
- B.
Wash your hands thoroughly with soap and water
- C.
Wipe your hands on a towel
- D.
Wipe your hands on your clothes
- 12.Hot glass looks the same as cold glass
- A.
True
- B.
False
- 13.Never remove chemicals or other equipment from the classroom
- A.
True
- B.
False
- 14.
Crucible is made up from ceramic. Do you know why?- A.
It has high melting point
- B.
It is good electrical conductor
- C.
It is ductile
- D.
It has various shape
- 15.Can you help me? I wonder how to carry out combustion reaction safely.
- A.
Switch off the fan
- B.
Wear lab coat
- C.
Use white tile
- D.
Avoid flame
- 16.In a laboratory, the following should not be worn
- A.
Specticle
- B.
Dangling jewelry
- C.
Sandals
- 17.The following footwear is best in the laboratory
- A.
Sandals
- B.
Open-toes shoes
- C.
Closed-toed shoes
- D.
Shoes appropriate for the weather
Questions: 10 | Attempts: 7391 | Last updated: Mar 22, 2022
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