Food

Question 0

What do sugary carbohydrates do and name three sources

Answer 0

They give you a fast supply of energy, sweets honey, fruit

Question 1

Name three (types) of carbohydrates.

Answer 1

Fibre, sugary carbohydrates, starchy carbohydrates.

Question 2

What do starchy carbohydrates do and give three examples

Answer 2

They give you a slow release of energy, bread rice pasta

Question 3

What does fibre do and give three sources

Answer 3

Fibre helps move food through the intenstin, fruit some cereal brown bread

Question 4

What do fats do and give three sources

Answer 4

Fats may supply energy, they insulate the body, store energy in the body, milk, cream, beans

Question 5

What does protein do and mp name three sources of it

Answer 5

It grows muscles hair enzymes, eggs meat fish

Question 6

Name two vitamins

Answer 6

Vitamin c

Vitamin d

Question 7

What does vitamin c do and name a good source of it

Answer 7

It keeps skin and gums healthy

Fruit green veg potatoes

Question 8

Name two minerals

Answer 8

Iron and calcium.

Question 9

What does calcium do and name three sources of it

Answer 9

It forms strong bones, milk cheese yogurt

Question 10

What does iron do and name sources of it

Answer 10

It forms part of the cells, red meat and green veg

Question 11

What does water do

Answer 11

Water allows cells to function

Question 12

What is energy measured in

Answer 12

Kilojoules

Question 13

What chemical is used when testing for starch

Answer 13

Iodine

Question 14

What colour does it turn when starch is present/absent

Answer 14

From brown to blue/black

Question 15

What chemical is used for testing for protein

Answer 15

Blue copper sulphate and sodium hydroxide

Question 16

What colour does it turn when protein is present/absent

Answer 16

From blue to purple

Question 17

What chemical is used to test for glucose

Answer 17

Benedicts solution

Question 18

What colour does it turn when glucose is present/absent

Answer 18

From blue to brick red

Question 19

Go through the basic method of the experiment the conversion of chemical energy to heat energy

Answer 19

Half fill a test tube with water.
Place the test tube of water in a clamp attached to a stand.
Record the temperature of the water using a thermometer
Attach a crisp to the end of your tongs
Light the crisp by holding it in the flame of a Bunsen burner.
Hold the burning crisp under the test tube of water
When the crisp has finished burning, record the temperature of the water again.

Question 20

What is the conclusion to the conversion of chemical energy to heat energy experiment

Answer 20

That chemical energy in the crisp is converted to heat energy by burning.

Question 21

The result of the conversion of chemical energy to heat energy experiment

Answer 21

The temperature of the water rises.

Question 22

Name six constituents of a balanced diet

Answer 22

Carbohydrates (which includes fibre)
Fats
Protein
Vitamin 
Minerals 
Water

Question 23

What does vitamin d do

Answer 23

Forms strong bones

Question 24

What foods have victim d

Answer 24

Milk butter cheese egg

Question 25

The amount and type of food needed by each person varies according to factors such as:

Answer 25

age
gender
activity levels
health