Burning Fuels

Question 1

People who are trained to put fires out are called? (1)

Answer 1

Firefighters

Question 2

Which 3 elements make up the fire triangle? (3)

Answer 2

Oxygen, Heat, Fuel.

Question 3

If any of these 3 elements are taken away from a fire, the fire will be …………………………. (1)

Answer 3

Extinguished

Question 4

What are the 2 energy sources given from a burning candle? (2)

Answer 4

Heat and light energy.

Question 5

Which of these is also an input energy? (1)

Answer 5

Heat.

Question 6

When the wax of a candle melts, the wax is changed from a solid to a ………………… moving up the wick and then is changed again into a ………… (2)

Answer 6

Liquid. Gas.

Question 7

What was commonly used to put a candle out? (1)

Answer 7

A candle snuffer.

Question 8

Which part of the fire triangle does it remove so the that candle goes out? (1)

Answer 8

Oxygen.

Question 9

When you blow a candle out, which part of the fire triangle does it remove? (1)

Answer 9

Heat.

Question 10

There are 3 things that a firefighter need to do to put out a fire. What are they? (3)

Answer 10

Remove the fuel. Remove the heat. Smother the fire.

Question 11

What is an hypothesis? (2)

Answer 11

It is an idea or explanation that you they to prove by doing a scientific investigation.

Question 12

Before you write an hypothesis, you need to know what the ……….. is you want investigate. (1)

Answer 12

Question.

Question 13

What you think will happen in a scientific investigation is called a? (1)

Answer 13

Prediction.

Question 14

In a hypothesis there are 2 very important statement words. _______ (I do this or that) _________ (this or that will happen). (2)

Answer 14

If (I do this) then (this will happen).