WorksheetsSCIENCE 5
Total questions: 15
Worksheet time: 15mins
1. What should be worn in a laboratory at all times to decrease the likelihood of eye injury?
a. a mask
b. safety goggles
c. contact lens
2.To prevent accidents during laboratory activities, you should __________.
a. follow instruction
b. ask someone else to do the work
c. hurry ahead of others.
3. What precautions are needed with long hair?
a. Must shampooed
b. Keep long hair tied back
c. No long hair allowed in the laboratory
4. What should you maintain in your lab work area?
a. a messy work space
b. lots of food and drink
c. clean and tidy work space
5. The correct way to move around the science classroom is to...
a. run
b. skip
c. walk
6. When you use the laboratory, you should give the procedure all of your _____________.
a. attention
b. effort
c. all of the above
7. When heating substances in a test tube, be sure the open end points toward ____________.
a. no other person
b. your classmate
c. your teacher
8. The following are ways to safely handle animals EXCEPT for _______________.
a. Wear gloves when handling live animals
b. Wash hands with soap and water after handling them
c. Do not use gloves when handling animals
9. Helping to clean up the laboratory or classroom is the job of ________.
a. new students
b. old students
c. each student
10. What should you do if a glass breakage occurs?
a. Immediately tell your teacher
b. Leave it where it is without telling anyone
c. Touch it to see if it is safe
11.If you don't understand the directions or part of a lab procedure, you should ...
a.figure it out as you do the lab
b. try several methods until something works
c. ask the teacher before you start
12. When getting glassware and equipment for an experiment, you should -
a. examine all glassware to check for chips or cracks
b. clean any glassware that looks dirty
c. read all directions carefully to know what equipment is needed
13. Horseplay or practical joking in the lab are ...
a.not dangerous
b.always against the rules
c.okay if you are working alone
14. When smelling a liquid you should ...
a.waft the odor toward you
b.inhale deeply
c.use a fan
15.When you finish working with lab equipment you should always ...
a.wash your hands with soap and water
b.wipe your hands with a paper towel
c.wipe your hands on your clothes
