8A FOOD & ADVERTISING

Question 1

what does diet mean in science

Answer 1

what you eat

Question 2

what food substances provide raw materials

Answer 2

nutrients

Question 3

what are the five different nutrients called

Answer 3

carbohydrate, fats, protein, vitamins, minerals

Question 4

what are the two main carbohydrates in food

Answer 4

starch and sugars

Question 5

what are two different examples of sugar

Answer 5

glucose and sucrose

Question 6

what is liquid fat called

Answer 6

oil

Question 7

what is lipids

Answer 7

oil

Question 8

how does water benefits us

Answer 8

cools you down when you sweat

fills up cells so they keep their shape

Question 9

how does fibre benefits us

Answer 9

helps food move through our intestines without getting blocked

Question 10

how does fats benefits us

Answer 10

Fats provide a source of energy protect organs

Question 11

how does carbohydrate benefits us

Answer 11

Carbohydrates provide energy and help regulate blood sugar levels.

Question 12

how does minerals benefits us

Answer 12

Minerals are essential for bone health, oxygen transport, and nerve function.

Question 13

how does proteins benefits us

Answer 13

Proteins are for building and repairing cells and supporting immune function.

Question 14

how does vitamins benefits us

Answer 14

Vitamins help in immune function, skin health, and maintain good vision and bone strength.

Question 15

why do food labels need to show how much of something is per 100g (EXAMPLE)

Answer 15

Food labels provide standardized information for customers to compare different products.

Question 16

how do you test for starch in a food

Answer 16

Use iodine solution. If starch is present, it will turn a blue-black color.

Question 17

how do you test for fats in a food

Answer 17

rub food on paper some grease marks would appear if fat is present

Question 18

how do you test for protein in a food

Answer 18

Use the Biuret test. A purple color forms when proteins are present.

Question 19

name 3 food that is high in protein

Answer 19

milk, meat, eggs

Question 20

name 3 food that is high in fats

Answer 20

butter, oils, fatty meat

Question 21

name 3 food that is high in carbohydrates

Answer 21

potatoes, rice, bread

Question 22

what are energy in food measured in

Answer 22

kilojoules (KJ)

Question 23

what are three factors that changes the amount of energy you need per day

Answer 23

Age, gender, physical activity level.

Question 24

symptom and cause of kwashiorkor

Answer 24

Large belly caused by a lack of protein

Question 24

symptom and cause of night blindness

Answer 24

not being able to see well in low light caused by a lack of vitamin A

Question 24

symptom and cause of rickets

Answer 24

Weak bones do not form properly caused by a lack of Vitamin D

Question 24

why do people get starvation

Answer 24

starvation is caused by a lack of nutrition

Question 24

symptom and cause of scurvy

Answer 24

painful joints and bleeding gums are caused by Lack of Vitamin C

Question 24

why do people get obesity

Answer 24

Obesity is when you are getting more energy than needed and the extra energy stores as fat

Question 24

symptom and cause of anaemia

Answer 24

Tiredness and shortness of breath are caused by a lack of Iron

Question 24

what is step 1 of digestion

Answer 24

putting food into the mouth and then your teeth with your saliva breaks the food down

Question 24

what is step 2 of digestion

Answer 24

food enter oesophagus and the muscle in it pushes the food to the stomach

Question 24

what is step 3 of digestion

Answer 24

the stomach muscles and the stomach acid in the stomach churns up the food

Question 24

what is step 4 of digestion

Answer 24

the food move to the small intestines where the nutrients in the food is absorbed

Question 24

what is step 5 of digestion

Answer 24

the large intestines absorbs the water from the food

Question 24

what is step 6 of digestion

Answer 24

in the rectum the faeces is stored then disposed out the anus

Question 25

what is the use of saliva

Answer 25

breakdowns food for easier swallowing using amylase within it

Question 26

what is the use of salivary glands

Answer 26

produce saliva

Question 27

what is the use of teeth

Answer 27

mechanically breaking down the food

Question 28

what is the use of oesophagus

Answer 28

transport the food from mouth to stomach

Question 29

what is the use of small intestines

Answer 29

absorb nutrients in the food into the blood

Question 29

what is the use of the stomach

Answer 29

The stomach churns food, and mixing it stomach acid within it

Question 29

what is the use of large intestines

Answer 29

absorb water from the food

Question 30

what is the use of rectums

Answer 30

stores the waste until they are ready for excretion

Question 31

what are enzymes and catalysts jobs

Answer 31

speeds up chemical reactions

Question 32

how is the small intestines adapted to its functions

Answer 32

by having a large surface area so it can absorb more nutrients

Question 33

name 3 food that is high in fibre

Answer 33

berries, beans, whole wheat bread

Question 34

why does the body need to digest food

Answer 34

to break food down into smaller molecules that can be absorbed and used It also helps eliminate waste products.