Y8- Food And Fuels Flashcards
Daily reference intake for adult ..
8400kj
Different foods are stores of different amounts of…
Energy
Energy is measured in…
Joules (J)
One joule is equal to 1..
Kj (kilojoules)
What tells you you how much energy there is in that food?
Food tests
How much energy is in an apple per 100g?
200 kj
How much energy is there in a banana per 100g?
340 Kj
How much energy are there in peas per 100g?
250 Kj
How much energy is there in chips per 100g?
1000 kj
How much energy is there in cooked beef per 100g?
1000 kj
How much energy is there in chocolate per 100g?
1500 kj
Is chocolate and coal stores of energy?
Yes, they are
How do you burn the fuels?
You need to burn it with oxygen
What do people use energy for?
To charge them up or for house appliance.
When you burn a fuel, what does it produce?
A current
You use ______ kj hour hour when sleeping
300
You use______ kj per hour when working per hour
600
You use ________ kj when playing football per hour.
3600
You use ________ kj when you are relxing per hour.
360
Is there an energy cost to everything you do?
Yes , when you need to breathe etc…
Do sportsmen need more energy than average people?
Yes because they need extra energy to keep warm.
Sitting per minute
6 kj
Standing per minute
7 kj
Washing per minute
15 kj
