How can we save energy?
Turn off the light while not using, do not waste water, limit shower time, close window while using AC
Non- Renewable energy sources are
Oil, coal, nuclear, natural gas
When light hits the surface and bounces off
Reflection
What is this light?
UV light
What is this type of energy?
Electrical
Energy can not be __________ and ___________
created, destroyed
What are 2 forms of energy
Potential and kinetic
What is this light?
Laser light
What are 2 types of energy sources
Renewable and non-renewable
What is this type of energy?
mechanical
Energy can only be ________
changed
When light bends and separates.
Diffraction
What is these types of energy?
Light, heat
What is this type of energy?
Sound
Renewable energy sources are
Solar, wind, water, biomass, geothermal
What is this light?
X-ray light
When light changes direction or bends.
Refraction
What is energy ?
The ability to do work