Science

Question 1

Nutrient

Answer 1

A substance that provides nourishment, essentials for the maintenance of life and for growth.

Question 2

Functions of carbohydrates

Answer 2

Gives energy (bread / rice / pasta)

Question 3

Functions of protein

Answer 3

Gives muscles (chicken / fish / pig)

Question 4

Functions of fibre

Answer 4

Helps push food trough your body (types of carbohydrates but not classed as a nutrient)

Question 5

Functions of water

Answer 5

Cells are made up of 70% water (you should drink 1 litre a day)

Question 6

Functions of lipids/fats

Answer 6

Provide short term energy

Question 7

Functions of Vitamins

Answer 7

Helps your body function, grow and develop

Question 8

Why does food need to be digested

Answer 8

So it can be broken down into nutrients

Question 9

How does glucose get into your cells

Answer 9

When you digest a carbohydrate it gets broken down, absorbed into the bloodstream, carried by plasma and diffuses into the cells.

Question 10

How does oxygen get into cells?

Answer 10

When you breath in oxygen fills the alveoli in your lungs. The oxygen then diffuses into your bloodstream. Oxygen is carried in red blood cells attached to haemoglobin and then diffuses into the cells

Question 11

Kinetic energy

Answer 11

Movement

Question 12

Electrical energy

Answer 12

Electricity and charge

Question 13

Thermal energy

Answer 13

Energy transferred from heat

Question 14

Sound energy

Answer 14

Energy that has come from a sound wave

Question 15

Light energy

Answer 15

This is energy that has been produced by light

Question 16

Chemical energy

Answer 16

Energy that and been made when two chemicals bond. Food is chemical energy

Question 17

What does heat do to particles

Answer 17

It makes it vibrate more and if it’s a liquid or gas it also makes it move faster

Question 18

Non renewable

Answer 18

A resource that can be used ONLY ONCE!!!

Question 19

Renewable

Answer 19

A resource that can be used again and again like water

Question 20

Coal oil gas

Answer 20

They are fossil fuels
Three quarters of uk electricity comes from uk power stations powered by fossil fuels
Affordable
Large amount of energy
Natural gas is environmentally friendly.
Coal is bad for the environment
Gas is toxic and flammable

Question 21

Wind power

Answer 21

Wind power is made by wind turbines that take in kinetic energy from the wind. Its environmentally friendly
Renewable
Expensive to build/transport
Need the right location

Question 22

How do we measure energy?

Answer 22

Joules

Question 23

How does alcohol effect the body?

Answer 23

It slows the brain down and makes you do things without thinking. Also it slows your reaction time down.

Question 24

Nutrient

Answer 24

A substance that provides nourishment, essentials for the maintenance of life and for growth.

Question 25

Functions of carbohydrates

Answer 25

Gives energy (bread / rice / pasta)

Question 26

Functions of protein

Answer 26

Gives muscles (chicken / fish / pig)

Question 27

Functions of fibre

Answer 27

Helps push food trough your body (types of carbohydrates but not classed as a nutrient)

Question 28

Functions of water

Answer 28

Cells are made up of 70% water (you should drink 1 litre a day)

Question 29

Functions of lipids/fats

Answer 29

Provide short term energy

Question 30

Functions of Vitamins

Answer 30

Helps your body function, grow and develop

Question 31

Why does food need to be digested

Answer 31

So it can be broken down into nutrients

Question 32

How does glucose get into your cells

Answer 32

When you digest a carbohydrate it gets broken down, absorbed into the bloodstream, carried by plasma and diffuses into the cells.

Question 33

How does oxygen get into cells?

Answer 33

When you breath in oxygen fills the alveoli in your lungs. The oxygen then diffuses into your bloodstream. Oxygen is carried in red blood cells attached to haemoglobin and then diffuses into the cells