Energy

Question 1

8 types of energy store

Answer 1

Chemical
Thermal
Kinetic
Gravational potential
Elastic potential
Magnetic
Electrostatic
Nuclear

Question 2

Equation for gravitational potential energy

Answer 2

Ep=m(mass)xg(gravtional strengthxh(height

Question 3

Equation for kinectic energy

Answer 3

Ek=1/2xm(mass)xv2(speed)

Question 4

Specific heat capacity equation

Answer 4

traingleE=m(mass)xc(specific heat capacity)xdelta feta(temperature change

Question 5

What is the conversation of energy

Answer 5

Cannot be created or destroyed.
Can be transferred

Question 6

Why is a closed system different from a normal system

Answer 6

In a closed system no energy is transferred to(or from) the surroundings.

Question 7

What is Power and it’s unit

Answer 7

The rate of energy transfer. Unit:watt(W)

Question 8

Power equation

Answer 8

Power = energy transferred uses(J)/time (s)

Question 9

What is a energy source

Answer 9

Where we harness energy from in the world(these are not stores/types of energy

Question 10

Non renewable energy sources

Answer 10

Fossil fuels
Nuclear fuel

Question 11

Renewable energy sources

Answer 11

Hydroelectric
Wind power
Solar power
Biofuels