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Biblioteka

Year 9 practice formative

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Posljednje ažuriranje 3 months ago
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Pitanje 1
1.
Pitanje 2
2.
Pitanje 3
3.

If you see something in the classroom or laboratory that is dangerous, tell the teacher

Pitanje 4
4.

Rags or paper towels with flammable liquids or solids on or in them must be put in

Pitanje 5
5.

Any spill on the floor can cause an accident. Always clean it up

Pitanje 6
6.

When you work with laboratory chemicals and bunsen burners, long hair must be

Pitanje 7
7.

When you work with laboratory chemicals, equipment, or burners, you must wear

Pitanje 8
8.

Whenever you are in the classroom or laboratory, you should wear

Pitanje 9
9.

If you think there is something wrong with a piece of equipment you are using, stop, turn it off, and tell

Pitanje 10
10.

If you break a piece of glassware or other equipment, tell the teacher

Pitanje 11
11.

All floors, aisles, and passageways should be kept clear of

Pitanje 12
12.

If you see a fire in an apparatus assembly or a burning liquid, such as alcohol, it is best to put it out with

Pitanje 13
13.

Goggles are worn during science experiments.....

Pitanje 14
14.

If you don't understand the directions or part of a lab procedure, you should -

Pitanje 15
15.

After completing an experiment, all materials waste should be -

Pitanje 16
16.

You have been injured in the lab (cut, burned, etc.) First you should -

Pitanje 17
17.

When getting glassware and equipment for an experiment, you should -

Pitanje 18
18.

Horseplay or practical joking in the lab are -

Pitanje 19
19.

If a piece of equipment is not working you should tell -