Test 3 August 2016

Question 1

Where does humans energy come from?

Answer 1

Food

Question 2

What do people need energy for?

Answer 2

move, 
play, 
keep warm, 
work and 
keep us alive.

Question 3

What 4 things determine how much energy you need?

Answer 3

AGE - old people use less energy than young people
How active you are - the more sport you do, the more energy you use
HEALTH - if you are sick, your body needs energy to fight germs
GENDER - boys run around more than girls but a tall active girl will use more energy than a lazy boy
ACTIVITY - the more active you are, the more energy you use

Question 4

What do plants need to grow?

Answer 4

Water, soil and sunlight

Question 5

What is called when plants absorb the suns energy?

Answer 5

Photosynthesis

Question 6

Explain energy transfer

Answer 6

The plans and grass absorb the sun.
Animals eat plants so the animals get the energy
Humans eat the animals so humans get energy
Sun energy - grass - animal - human
ENERGY IS PASSED ON

Question 7

Explain the food chain / energy chain.

Answer 7

The food chain is when energy travels from the sun and is transferred through plants to animals

Question 8

How is energy stored?

Answer 8

FOOD - gives us energy to move
WOOD - energy is stored in wood in trees, when we burn wood it gives us heat
COAL - used to make heat and light
OIL - Used for petrol, diesel, paraffin and candle wax
NATURAL GAS - used to make heat and light

Question 9

How is energy stored?

Answer 9

FOOD - gives us energy to move
WOOD - energy is stored in wood in trees, when we burn wood it gives us heat
COAL - used to make heat and light
OIL - Used for petrol, diesel, paraffin and candle wax
NATURAL GAS - used to make heat and light

Question 10

Name types on output energy

Answer 10

MOVE
HEAT
LIGHT
SOUND

Question 11

Where does energy come from

Answer 11

The sun

Question 12

Name energy sources

Answer 12

Electricity
Gas
Batteries
Petrol 
Diesel

Question 13

What is the outer ear called?

Answer 13

Pinna

Question 14

How do you make a musical instrument vibrate? INPUT

Answer 14

Plucking
Beating
Blowing
Shaking
The OUTPUT is the sound it makes

Question 15

What is volume?

Answer 15

Volume is the loud or softness of a sound

Question 16

What is pitch?

Answer 16

Pitch is a high or low note

Question 17

What is noise pollution?

Answer 17

Noise pollution is an unpleasant or harmful sound that continues for a long time

Question 18

How do you know energy is here:

Young people walking

Answer 18

They are moving

movement energy

Question 19

How do you know energy is here:

trees blowing in the wind

Answer 19

the trees are moving

movement energy

Question 20

How do you know energy is here:

Fire buring

Answer 20

There are flames, light, heat

light, heat energy

Question 21

How do you know energy is here:

Man making a noise

Answer 21

We can hear the noise

sound energy

Question 22

How do you know energy is here:

Tractor moving

Answer 22

The tractor is moving and noisy

movement and sound energy

Question 23

How do you know energy is here:

Loudspeaker making a noise

Answer 23

We can hear sound

sound energy

Question 24

How do you know energy is here:

Cat Meowing

Answer 24

We can hear the cat

sound energy

Question 25

How do you know energy is here:

Candles lighting a room

Answer 25

We can see the light

Light energy

Question 26

How do you know energy is here:

Boy playing a guitar

Answer 26

We can see the movement and hear the sound

movement and sound energy

Question 27

How do you know energy is here:

Wind drying washing

Answer 27

We can see the clothes move

movement energy

Question 28

How do you know energy is here:

Gas burning

Answer 28

We can see the light and feel the heat

light and heat energy

Question 29

Name the source of energy and what it is transferred into:

Girl by a fire

Answer 29

Source: wood

Output Energy: Heat and light

Question 30

Name the source of energy and what it is transferred into:

Burning Coal

Answer 30

Source: coal

Output Energy: heat and light

Question 31

Name the source of energy and what it is transferred into:

Runners

Answer 31

Source: food

Output Energy: movement

Question 32

Name the source of energy and what it is transferred into:

Burning paraffin

Answer 32

Source: paraffin

output Energy: heat and light

Question 33

Name the source of energy and what it is transferred into:

Moving taxi

Answer 33

Source: petrol

output Energy: movement

Question 34

Name the input energy:

Kettle

Answer 34

electricity

Question 35

Name the input energy:

Stove

Answer 35

Gas

Question 36

Name the input energy:

Torch

Answer 36

Batteries

Question 37

Name the input energy:

Radio

Answer 37

Batteries / electricity