Energy

Question 1

What os energy measured in?

Answer 1

Joules

Question 2

What is fossil fuels?

Answer 2

Coal, oil and gas burnt

Question 3

What is renewable energy?

Answer 3

Energy that can be remade in your lifetime.

Question 4

What is non reusable energy?

Answer 4

Energy that can take millions on years to reform. That can not be used again in your life time.

Question 5

How can you measure energy in food?

Answer 5

By burning it and seeing the time.

Question 6

What is heat?

Answer 6

An average of kinetic energy of joules.

Question 7

What is temperature?

Answer 7

How hot or cold something is.

Question 8

What are emzimes?

Answer 8

A substance than helps digest your food.

Question 9

Name One chemical energy?

Answer 9

Food.

Question 10

Definition of work?

Answer 10

Work=force times distance.

Question 11

F=2000

D=2.5

Answer 11

5000j

Question 12

What does static electricity produce?

Answer 12

Lightning

Question 13

What is attracting and repelling?

Answer 13

The two types of electric charge. Positive and negative. They attract and repel each other like magnets.

Question 14

Where does the charge come from?

Answer 14

Everything is made out of atoms. They have three parts:protons (positive charge)
Electrons(negative charge)
Neutrons (no charge)

Question 15

How manny Joules in a kilojoule?

Answer 15

1000

Question 16

How manny joules in an apple?

Answer 16

200

Question 17

How manny joules in chocolate?

Answer 17

1500

Question 18

what do you use to burn oil, coal, wood and other fossil fuels?

Answer 18

Oxygen

Question 19

Energy for sleeping?

Answer 19

300 j per hour

Question 20

Energy for working?

Answer 20

600 per hour.

Question 21

Energy for playing

Answer 21

3600 j per hour

Question 22

Energy for relaxing?

Answer 22

360 j per hours

Question 23

What is the law of conservation energy?

Answer 23

The law of conservation of energy

Question 24

What is the energy store of food, fuels and batteries.

Answer 24

Chemical

Question 25

Energy for moving objects

Answer 25

Kinetic

Question 26

Changing shape or stretching?

Answer 26

Elastic

Question 27

What happens after you transfer energy?

Answer 27

There is less energy in the chemical store and more energy in the thermal store of the surroundings.

Question 28

What brings about changes in energy?

Answer 28

Forces (if you have fuel in a car it won’t work unless a force is used.

Question 29

What does the conservation of energy mean?

Answer 29

Energy cannot disappear, you have the same amount as you did at the start. It cannot be created or destroyed

Question 30

Types of energy(8)

Answer 30

Kinetic
Light 
Sound 
Thermal 
Electrical
Chemical
Gravitational potential 
Nuclear energy

Question 31

What can electrical energy turn into?

Answer 31

Kinetic, light and thermal

Question 32

What does nuclear energy do?

Answer 32

It splits atoms

Question 33

What is kinetic energy ?

Answer 33

The energy in movement

Question 34

What is the unit off Power?

Answer 34

Watts

Question 35

What is Power?

Answer 35

Power is the time of how quickly energy is used or transferred. This is of distance to.

Question 36

How do you measure energy in food?

Answer 36

You take the food and calculate its temperature. Then you burn it and the higher the temperature then the more energy inside the food.

Question 37

Is caffeine a illegal drug

Answer 37

No

Question 37

Is heroin a illegal drug

Answer 37

Yes

Question 38

Is calpol a illegal drug?

Answer 38

No

Question 39

What is radiation?

Answer 39

Radiation is very hot substances that give out light as well as infrared radiation. Thermal radiation. It travels in waves and can travel in a vacuum.

Question 40

What is conduction?

Answer 40

Conduction is the process of witch heat and electricity is transmitted through the material substance.

Question 41

What is convection

Answer 41

The movement caused with in liquids and gasses gets hotter so it rises and the colder particles take there place and the cycle continues.