Energy - Physics Topic 1

Name 8 types of energy

Name 3 ways energy can be transferred

What is a system?

What happens when a system changes?

What is a closed system?

Explain how energy is transferred when boiling a kettle

What word can be used to describe both:
- When a current flows (against resistance)
-A force moving an object

Explain how energy is transferred when a ball being dropped from a height.

When an object slows down, is energy transferred to or away from its kinetic energy store?

If a moving object has a large mass, will it have more or less energy in its kinetic energy store than a lighter object moving at the same speed?

What is the formula for working out the kinetic energy store?

True or False:
The higher you lift an object, the more energy it has in its gravitational potential store?

What is the formula for working out the g.p.e store?

What's the formula for working out the elastic potential store?

What is specific heat capacity?

What's the formula that links energy transferred to specific heat capacity?

What is the conservation of energy principle?

What is power?

What are the two formulas for working out power?

Define Conduction

Where does conduction happen?

Explain how conduction occurs

What is thermal conductivity?

What is convection?

Where does convection occur?

How does convection work?

Explain how a radiator uses convection currents to heat a room?

How do lubricants reduce frictional forces between two objects?

Give 3 examples of thermal insulation in a house?

What is the equation for working out the efficiency of energy transfer?

What is the equation for working out the efficiency using power input?

What are the 3 fossil fuels?

Give to cons of fossil fuels?

Name 7 renewable energy sources

What are two pros about renewable energy?

What are two cons of renewable energy?

What are 3 pros of wind turbines?

What are 4 cons of wind turbines?

Name some pros of solar cells

Name some cons of solar cells

Name some pros of geothermal energy

Name some cons of geothermal energy

Name some pros of hydro-electric power

Name some cons of hydro-electric power

Name some pros of wave power

Name some cons of wave power