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P2.6 RP Energy in Food Starter

Last updated about 4 hours ago

6 Nsɛmmisa

1

1

Asemmisa {{asɛmmisaAhyɛnsode}}

2.

What is the unit of energy that is commonly used for foods?

1

Asemmisa {{asɛmmisaAhyɛnsode}}

3.

The prefix kilo refers to which number?

13

1

1

Asemmisa {{asɛmmisaAhyɛnsode}}

1.

What is the name for the store of energy that we associate with foods?

Internal energy store

Thermal energy store

Chemical energy store

Asemmisa {{asɛmmisaAhyɛnsode}}

4.

Convert the following into Joules:

2 kJ –
8 kJ –
12 kJ –
3.5 kJ –
6.2 kJ –
9.56 kJ –
23.67 kJ –
0.2 kJ –
0.65 kJ –
4.561 kJ –
0.034 kJ –
64.892 kJ –
0.007 kJ –

Asemmisa {{asɛmmisaAhyɛnsode}}

5.

When you rub your hands together, you can warm them up.
What store of energy is decreasing in your body when you do this?

Asemmisa {{asɛmmisaAhyɛnsode}}

6.

When you rub your hands together, you can warm them up.
What store of energy is increasing in your hands?