2.Food is a source of fuelfor our body like petrol is for cars.
3.Some food help your mental boost by making your brain work better.
4.Parents should make sure their children eat leafy vegetables.
5.Coffee and tea will give you a feel energetic.
Извини, что не все. По смыслу это подходит, но не знаю правильно ли.

1 h
2 b
3 j
4 e
5 g
6 d
7 i
8 f
9 c
10 a

1 sugar levels
2 source of fuel
3 school performance
4 appropriate food
5 mental boost
6 calming effect
7 low-fat milk
8 leafy vegetables
9 whole grain
10 feel energetic