Energy and Energy transfer Flashcards
Why do living things need energy
To grow, move and maintain
Transfer of energy is called the
Energy chain
Give an example of the energy chain
Sunlight and energy - Make plants grow - Energy from food - energy for humans
How do we get energy from the sun
Radiation
Light
Heat
Radiation from the sun is
Ultraviolet rays
What forms of energy does the sun give
Heat energy
Light energy
Give other forms of energy
Movement energy
Sound energy
Stored energy
What is movement energy
When movements make energy or when energy makes movement
How does sound reach your ear
Through soundwaves
Give an example of movement energy
Sport
Watermill
How does sound energy work
Sound - soundwaves - eardrum vibrate - sound
Where can you get stored energy
food
petrol
wood
oil
chemicals
fossil fuel
Name types of fossil fuels
coal
oil
natural gasses
What is noise
An unasked for or uncomfortable sound that makes daily things hard to do
What causes noise
big trucks
household equipment
cars, motorbikes, helicopter
social events
commercial and industrial activities
