P2.1.1 - Food and Fuels Flashcards
1
Q
What is energy measured in?
A
Joules (J)
2
Q
1000 joules is equal to…
A
1 kilojoule (kJ)
3
Q
How many joules are in 1 kilojoule of energy?
A
1000 J
4
Q
We can find out the amount of energy in a food by looking at its…
A
label
5
Q
Which 2 components of a balanced diet contain energy?
A
Carbohydrates
Lipids (fats/oils)
6
Q
Something that contains a store of energy is called a…
A
fuel
7
Q
Energy from food is used by humans to do activities such as:
A
- sleeping
- walking
- breathing
- talking
8
Q
Who will need to take in more energy from their food: a sportsman or an office worker and why?
A
Sportsman
They are more active so need more energy.
9
Q
Why is important that your energy intake and use are both balanced?
A
If you take in more than you use you could become obese.
If you take in less than you use you could become underweight.
