Food and Energy – Post Lesson Practice.

Copy and complete the following sentences.

1. Living organisms need energy for many activities. In humans for example

energy is needed for _________________ and for maintaining our body

___________________. (2)

2. Energy in food is stored as ____________ energy which can be changed into

_____________ energy and measured. This energy is measured in units called

_________________. ____________ is the quantity of heat energy required

to raise the temperature of 1000g of water by 1^oC.

(4)

3. The energy content of food can be measured most accurately by using a

________________ __________________. (1)

___________ has twice as much energy as either _____________ or

___________________. (3)

Total = 10 marks