Waves
Energy Transformations
Mirrors & Lenses
Natural Resources
Human Impact
100
When particles are close together in a longitudinal wave.
What is a compression?
100
The potential energy due to the force of gravity.
What is gravitational potential energy?
100
An object that reflects light.
What is a mirror?
100
A material that is replenished as quickly as it is used.
What is a renewable resource?
100
The sphere containing land and soil.
What is the lithosphere?
200
The highest point in a transverse wave.
What is the crest?
200
This law states that energy can neither be created nor destroyed, but can only be transferred or changed.
What is the Law of Conservation of Energy?
200
This is a type of lens.
What is a concave lens?
200
Coal, oil and natural gas are examples of this.
What are fossil fuels?
200
The energy that drives the greenhouse effect.
What is infrared radiation?
300
This is the amount of wavelengths that travel through a certain point in a given amount of time.
What is the frequency?
300
When the cyclist is riding down the hill, his energy is being converted into this kind of energy.
What is kinetic?
300
This is a type of mirror.
What is a convex mirror?
300
Energy produced from heat that's deep in the Earth.
What is geothermal energy?
300
The leading cause of deforestation.
What is agriculture?
400
These waves move faster than sound waves.
What are light waves?
400
A hair dryer turns electrical energy into this kind of energy.
What is thermal energy?
400
The motion of light waves when they hit a concave mirror.
What is they bounce back inward?
400
They are cheap and easy to obtain.
What are two reasons we use nonrenewable resources?
400
3 causes of poor water quality.
What are cows roaming through streams, bare soil and gravel roads?
500
As frequency increases, this decreases.
What is the wavelength?
500
Coal uses this kind of energy to produce thermal energy.
What is chemical energy?
500
The motion of light waves as they pass through a convex lens.
What is they are directed inward?
500
Splitting atoms to make nuclear energy produces this type of energy which generates steam that powers a turbine and produces electrical energy.
What is thermal energy?
500
An example of a helpful way to to improve water quality.
What are grassy fields?