Burning Fuels Flashcards
People who are trained to put fires out are called? (1)
Firefighters
Which 3 elements make up the fire triangle? (3)
Oxygen, Heat, Fuel.
If any of these 3 elements are taken away from a fire, the fire will be …………………………. (1)
Extinguished
What are the 2 energy sources given from a burning candle? (2)
Heat and light energy.
Which of these is also an input energy? (1)
Heat.
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)
Liquid. Gas.
What was commonly used to put a candle out? (1)
A candle snuffer.
Which part of the fire triangle does it remove so the that candle goes out? (1)
Oxygen.
When you blow a candle out, which part of the fire triangle does it remove? (1)
Heat.
There are 3 things that a firefighter need to do to put out a fire. What are they? (3)
Remove the fuel. Remove the heat. Smother the fire.
What is an hypothesis? (2)
It is an idea or explanation that you they to prove by doing a scientific investigation.
Before you write an hypothesis, you need to know what the ……….. is you want investigate. (1)
Question.
What you think will happen in a scientific investigation is called a? (1)
Prediction.
In a hypothesis there are 2 very important statement words. _______ (I do this or that) _________ (this or that will happen). (2)
If (I do this) then (this will happen).