Food

Question 1

what is a balanced diet

Answer 1

eating a wide variety of foods to provide our bodies with all the substances that are needed

Question 2

what are some nutrients

Answer 2

carbohydrates, proteins, fats, vitamins and minerals

Question 3

what are nutrients

Answer 3

substances that provides the raw materials for making other substances that our body needs.

Question 4

why is carbohydrate needed

Answer 4

for energy

Question 5

examples of carbohydrates

Answer 5

starch and sugar

Question 6

good sources of carbohydrates

Answer 6

pasta and bread

Question 7

why is protein needed

Answer 7

for growth and repair

Question 8

good sources of protein

Answer 8

meat and beans

Question 9

why are vitamins needed

Answer 9

for heath

Question 10

examples of vitamins

Answer 10

vitamin C

Question 11

good sources of vitamins

Answer 11

fruits and vegetables, organs contain lots of vitamin C

Question 12

why are minerals needed

Answer 12

for health

Question 13

examples of minerals

Answer 13

calcium

Question 14

good sources of minerals

Answer 14

fruits, vegetables and dairy products

Question 15

why is fibre needed

Answer 15

keeps intestines clean and healthy , prevents constipation

Question 16

good sources of fibre

Answer 16

wholemeal bread

Question 17

why is water needed

Answer 17

dissolves substances and fills up cells

Question 18

how do you test for starch

Answer 18

two drops of iodine

Question 19

what colour does starch turn iodine

Answer 19

blue-black

Question 20

how do you test for protein

Answer 20

a five drops of biuret

Question 21

what colour does protein turn biuret

Answer 21

purple

Question 22

how do you test for fat

Answer 22

rub a food sample on white paper, hold it up to the light, if there is a greasy mark there is fat

Question 23

what is the amount of chemical energy in food measured in

Answer 23

kilojoules (kj)

Question 24

what can too much fat cause

Answer 24

heart disease and make you overweight

Question 25

what are you if you are obsess

Answer 25

very overweight

Question 26

what will happen if you eat to little

Answer 26

people starve and become weak