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GR 5 - Science & Technology > Topic 10 Stored energy in Fuels > Flashcards

Topic 10 Stored energy in Fuels Flashcards

1
Q

Key Word: Fuel

A

A substance
That can be eaten or burned
To produce energy

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2
Q

Key Word: Stored Energy

A

Energy that is stored in something
E.g. Food or fuel
It can be changed

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3
Q

Key Word: Input Energy

A

Energy we need
To put in
To start a fue burning

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4
Q

Key Word: Output Energy

A

Energy such as heat & light energy

That is produced when fuel burns

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5
Q

Where does the energy come from that we use to run and play?

A

From energy that is stored in the food we eat

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6
Q

How do plants get their energy?

A

Plants us the Sun’s energy to make is OWN food.

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7
Q

Where do plants store their food?

A

In its leaves, stems and fruit.

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8
Q

Why does wood burn and make heat and light?

A

Because it releases the energy that is stored inside it.

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9
Q

Name 5 sources of energy that we use as humans?

A 
Coal
Gas
Paraffin
Candle wax
Petrol
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10
Q

What were candles originally made of and what are they now made of?

A

Originally: Beeswax & plant wax
Now: Paraffin wax

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11
Q

Why do the candles burn?

A

They release the energy that is store in the wax

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12
Q

How does petrol make a car move?

A

The petrol that is in the car’s tank is burned in the car’s engine
The heat makes the engine work
This makes the car move

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13
Q

What do fuels need to start them burning?

A

Energy

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14
Q

What energy source does a candle need to start it burning?

A

A burning match

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15
Q

What would you call this energy needed to get the candle to burn?

A

Energy InPut

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16
Q

Do all fuels need the same mount of input energy to get them to burn?

A

No

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17
Q

Compare two fuels to show how they need different amounts of energy to get them to burn.

A

A candle is easy to light - just bring a burning match near.

A big log fire takes a lot go get it burning - we use firelighters (firelighters are easy to set alight)

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18
Q

Describe what OUTPUT energy is.

A

When fuels start burning
The stored energy is released to other forms of energy
Like light & heat

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19
Q

What would you use wood for?

What is the output energy of that called?

A

Making a fire

Heat

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20
Q

What would you use petrol for?

What is the output energy of that called

A

Driving a car

Heat

21
Q

Energy is stored in …..

A

Fuels

22
Q

We use fuels as….

A

sources of useful energy

e.g. heat & light

23
Q

Everyday fuels that we use are (6)…..

A 
Coal
Wood
Petrol
Paraffin
Gas
Candle Wax
24
Q

What is needed to make fuels burn?

A

Input energy

25
Q

When we burn fuels, we get useful…..

A

Output energy

26
Q

Key Words: Extinguish

A

To put something out

27
Q

Key Words: Firefighters

A

People who are trained
To help put out
Uncontrolled fires

28
Q

For fuels to keep burning, what is needed?

A

Heat & oxygen

29
Q

What makes us the fire triangle.

A

Oxygen, Heat & Fuel

30
Q

What is a candle snuffer?

A

A small metal cup on the end of a long handle which was used to put our candles.

31
Q

When you think about a candle snuffer, what does it tell you about what is a good way to to put out a fire?

A

We must cut off the oxygen supply.

32
Q

Give two examples of how we can cut off the oxygen supply in a fire?

A

Cover the flames with a blanket

Pour water on it

33
Q

What are the three things that firefighters do to put out a fire?

A
  1. Remove all fuel from the fire
  2. Remove the heat (add water)
  3. Smother the fire by preventing it getting oxyge
34
Q

Keywords: Prevent

A

To keep something from happening

35
Q

Why are controlled fires useful?

A

They give us warms & help us cook our food.

36
Q

Ways to prevent fires. Do not play with….

A

Matches

37
Q

Do not pour …… onto a burning fire

A

Any fuel like petrol or lighter gel

38
Q

What must we do when burning candles to prevent a fire?

A

Put them in a sturdy candle holder

Don’t put them near something that can catch fire

39
Q

What should we do to stop fires starting from our fireplaces?

A

Put a fireguard in front of it.

40
Q

What must we remember about pots when we think about preventing fires?

A

Never leave them cooking on the stove when a adult is not in the kitchen

41
Q

What must you do if you suspect a gas leak

A

Turn off the supply

Phone a gas supplier

42
Q

Do not used ….. electrical appliances.

A

“damaged”

43
Q

What must you remember about camp fires?

A

Always makes sure they are extinguished when you are finished.

44
Q

What is the number 1 thing to do when a fire breaks out?

A

Stay calm!

45
Q

What must you do if there is smoke?

A

Stay low on the ground

46
Q

What in a fire can cause more damage than the actual flames?

A

Poisonous gases

47
Q

Why must you stay low to the ground?

A

The smoke goes upwards

48
Q

Once you have dropped to the ground, what must you do next

A
  1. Crawl away from the flames
  2. Head towards the nearest exit & get out of the building
  3. Call the fire station
49
Q

Key concept: Fires can be a threat to our

A

Community

GR 5 - Science & Technology (13 decks)

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