Stored Energy in Fuels

Question 1

Define Fuel

Answer 1

A substance that can be eaten or burned to produce energy

Question 2

Define Stored energy

Answer 2

energy that is stored in something, for example in food or fuel; it can be changed into another form of energy when it is used.

Question 3

Define input energy

Answer 3

the energy we need to ‘put in’ to start a fuel burning.

Question 4

Define output energy

Answer 4

the energy, such as heat and light energy, that is produced when a fuel burns.

Question 5

where does our body get energy from

Answer 5

the food we eat

Question 6

Where do plants store their energy

Answer 6

In their roots, stems, and fruits

Question 7

Why is fruit sometimes called fuel for the body

Answer 7

Because it contains stored energy

Question 8

When we burn fuel what type of energy is released

Answer 8

Heat and light energy

Question 9

What 3 types of fuels do we use everyday

Answer 9

Coal, gas, paraffin

Question 10

What are candles now made from, and what were they made from

Answer 10

paraffin wax, beeswax

Question 11

What gives cars energy

Answer 11

Petrol

Question 12

What are firelighters

Answer 12

substances that are used to start fires because they burn easily

Question 13

Define extinguish

Answer 13

To put something out

Question 14

what do fuels need to set them alight

Answer 14

an input energy of heat

Question 15

What do fuels need to keep them burning

Answer 15

Heat and oxygen

Question 16

Where do we find oxygen

Answer 16

in the air

Question 17

What 3 things make up the fire triangle

Answer 17

Heat, oxygen and fuel

Question 18

what is the fire triangle

Answer 18

It shows what things are needed to start and keep a fire burning

Question 19

What are some ways to extinguish a fire

Answer 19

To cover it with a wet towel, put water on it, or to cool it down

Question 20

what is a hypothesis

Answer 20

An educated guess as to the outcome of an experiment

Question 21

What are some ways to prevent fires

Answer 21

1. don’t play with matches or lighters
2. do not pour any fuel or lighter gel onto burning fires
3. make sure candles are in steady candleholders and not near anything that can catch alight
4. place fireguards in front of fireplaces
5. Do not dry clothes on or near a heater or cooker
6. never leave pots cooking on the stove when an adult is not in the kitchen
7. if you suspect a gas leak from a cylinder, turn off the supply and call a gas supplier
8. do not use damaged electrical appliances
9. always make sure you extinguish outdoor camp fires

Question 22

What action should you take in the event of a fire

Answer 22

If their is smoke, you must stay low.
Crawl and make your way to the nearest exit.
Get out of the building asap and call the fire station.