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Combustion

Authored by Rozan Kharoub

Science

7th Grade

31 Questions

Used 8+ times

Combustion
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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Water is not used to control fires involving electrical appliances.

False
True

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of fire extinguisher should be used on a fire involving flammable liquids such as grease or oil?

Water
Carbon Dioxide 
Dry Chemical
Foam

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Pouring water on a fire takes out which factor from the fire triangle?

Heat

Oxygen

Fuel

None of them

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Covering a grease fire with a lid/fire blanket takes out which factor from the fire triangle?

Heat

Oxygen

Fuel

None of them

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Cutting trees down in a forest fire takes out which factor from the fire triangle?

Heat

Oxygen

Fuel

None of them

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

In an experiment designed to test for the effect of the height of a candle on its blow out time, the independent variable is...

The height of the candle

The type of the candle

The time it took the flame to blow out

None of them

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

In an experiment designed to test for the effect of the height of a candle on its blow out time, the dependent variable is...

The height of the candle

The type of the candle

The time it took the flame to blow out

None of them

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