Food Tech

Question 1

What does sustainability mean?

Answer 1

Meeting the needs of today without harming the ability of people in the future to meet their own needs.

Question 2

What is sustainable design?

Answer 2

Creating products or systems that have the least possible negative impact on the environment and people.

Question 3

How can textiles be made more sustainable?

Answer 3

Using natural fibres like organic cotton or hemp, recycling old textiles, using less water and energy in making them.

Question 4

What is a smart material?

Answer 4

A material that changes its properties (like shape or colour) in response to a change in its surroundings (like temperature or light).

Question 5

Give an example of a smart material.

Answer 5

Thermochromic ink (changes colour with temperature, like on some mugs) or shape memory alloys (return to their original shape when heated).

Question 6

What is a modern material?

Answer 6

A material that has been recently developed or discovered, or one whose properties have been significantly improved.

Question 7

Give an example of a modern material.

Answer 7

Graphene (very strong and light) or Kevlar (used in bulletproof vests).

Question 8

What is a composite material?

Answer 8

A material made from two or more different materials that are combined to create a new material with improved properties.

Question 9

Give an example of a composite material.

Answer 9

Carbon fibre reinforced polymer (CFRP - strong and lightweight, used in bikes and planes) or concrete (cement, sand, and gravel).

Question 10

What are the 6 Rs of sustainability?

Answer 10

Refuse, Reduce, Reuse, Rethink, Repair, Recycle.

Question 11

Explain ‘Refuse’ in the 5 Rs.

Answer 11

Say no to things you don’t need, especially single-use items.

Question 12

Explain ‘Reduce’ in the 5 Rs.

Answer 12

Use less of something, like reducing the amount of packaging you buy.

Question 13

Explain ‘Reuse’ in the 5 Rs.

Answer 13

Use items more than once instead of throwing them away.

Question 14

Explain ‘Repurpose’ (or Rethink/Rot) in the 5 Rs.

Answer 14

Find a new use for something or choose products that can be composted or are designed differently.

Question 15

Explain ‘Recycle’ in the 5 Rs.

Answer 15

Turn waste materials into new products.

Question 16

What is biomimicry?

Answer 16

Designing things inspired by nature.

Question 17

Give an example of biomimicry.

Answer 17

Velcro (inspired by burrs) or aerodynamic train shapes (inspired by kingfisher beaks).

Question 18

Describe the cooking method: Boiling.

Answer 18

Cooking food in hot, bubbling water.

Question 19

Is boiling generally healthy or unhealthy?

Answer 19

Generally healthy.

Question 20

What food is often cooked by boiling?

Answer 20

Pasta, vegetables, eggs.

Question 21

Describe the cooking method: Frying.

Answer 21

Cooking food in hot oil or fat.

Question 22

Is frying generally healthy or unhealthy?

Answer 22

Can be unhealthy, especially deep frying, as it adds fat.

Question 23

What food is often cooked by frying?

Answer 23

Chips, chicken, eggs.

Question 24

Describe the cooking method: Baking.

Answer 24

Cooking food in a dry oven heat.

Question 25

Is baking generally healthy or unhealthy?

Answer 25

Generally healthy (depending on ingredients).

Question 26

What food is often cooked by baking?

Answer 26

Bread, cakes, potatoes, fish.

Question 27

Describe the cooking method: Steaming.

Answer 27

Cooking food using the steam from boiling water.

Question 28

Is steaming generally healthy or unhealthy?

Answer 28

Very healthy.

Question 29

What food is often cooked by steaming?

Answer 29

Vegetables, fish, dumplings.

Question 30

What is a healthy and balanced diet?

Answer 30

Eating a variety of foods in the right amounts to give your body the nutrients it needs to work properly.

Question 31

Why are carbohydrates important in a healthy diet?

Answer 31

They provide energy.

Question 32

Why is protein important in a healthy diet?

Answer 32

It helps your body grow and repair itself.

Question 33

Why are fats important in a healthy diet?

Answer 33

They provide energy and help your body absorb some vitamins (but healthy fats are best).

Question 34

What are vitamins and minerals?

Answer 34

Micronutrients that your body needs in small amounts to stay healthy and work correctly.

Question 35

What does Vitamin C do and where is it found?

Answer 35

Helps your immune system and healing; found in citrus fruits and vegetables.

Question 36

What does Vitamin D do and where is it found?

Answer 36

Helps your body absorb calcium for strong bones; made in the skin from sunlight, found in oily fish and fortified foods.

Question 37

What does Calcium do and where is it found?

Answer 37

Builds strong bones and teeth; found in milk, cheese, and leafy greens.

Question 38

What does Iron do and where is it found?

Answer 38

Helps red blood cells carry oxygen; found in red meat, spinach, and fortified cereals.

Question 39

What is a high-risk food?

Answer 39

Food that is more likely to cause food poisoning because bacteria can grow easily in it.

Question 40

Give examples of high-risk foods.

Answer 40

Cooked meat and poultry, dairy products, cooked rice, and foods containing raw egg.

Question 41

Describe the bridge cutting method.

Answer 41

Make a 'bridge' over the food with your hand, holding it steady, and cut underneath the bridge.

Question 42

When would you use the bridge cutting method?

Answer 42

For cutting round foods like carrots or potatoes in half lengthwise.

Question 43

Describe the claw cutting method.

Answer 43

Curl your fingertips inwards like a claw to hold the food, keeping your fingertips and thumb tucked safely away from the blade as you cut.

Question 44

When would you use the claw cutting method?

Answer 44

For chopping or slicing vegetables like onions or peppers.

Question 45

What is contamination in food?

Answer 45

When harmful things like bacteria, chemicals, or foreign objects get into food, making it unsafe to eat.

Question 46

Why is preventing food contamination important?

Answer 46

To stop people from getting sick from food poisoning.

Question 47

What are some different types of textiles?

Answer 47

Natural fibres like cotton and wool, and synthetic fibres like polyester and nylon.

Question 48

What is a portion of fruit or vegetables?

Answer 48

About 80g, or a handful.

Question 49

Why is eating enough fibre important?

Answer 49

It helps your digestive system stay healthy.

Question 50

What is a common smart material that changes colour?

Answer 50

Thermochromic material.

Question 51

What is a common composite material used in building?

Answer 51

Concrete.

Question 52

What is one way to reduce waste according to the 5 Rs?

Answer 52

Use reusable bags instead of plastic ones.