It is a mechanical wave
What is sound wave?
It is the natural source of light.
What is the sun?
Provides electrical energy to power small electronics.
What is cell?
What is battery?
This is the thin outer layer of Earth where we live.
What is the crust?
Renewable resource comes from the Sun and is used to produce electricity.
What is solar energy?
This is a place where sound cannot travel because there are no particles to carry the waves.
What is vacuum?
This happens when light bounces off a surface like a mirror.
What is reflection?
Material that allows electricity to flow through it easily.
What is a conductor?
This hot, semi-solid layer lies beneath Earth’s crust.
What is the mantle?
Coal, oil, and natural gas are examples of these types of resources.
What are non-renewable resources?
When sound waves bounce off a surface and return to the listener, this effect occurs.
What is an echo?
This transparent object bends light to help people see more clearly.
What is a lens?
This unit is used to measure electric current.
What is an ampere?
This scientist proposed the theory of continental drift.
Who is Alfred Wegener?
This renewable energy source uses moving air to generate electricity.
What is wind energy?
These two things are necessary for sound to be heard.
What are medium and vibrations?
It is the process of splitting white light into color spectrum.
What is dispersion?
Particles produce electric current in a circuit.
What are electrons?
Plates move away from each other.
What is divergent boundary?
This fossil fuel is commonly used to power cars and trucks.
What is petroleum?
Unit used to measure frequency of sound.
What is Hertz?
He explained that white light is made of many colors using a prism experiment.
Who is Isaac Newton?
Inventor who is famous for improving the practical electric light bulb.
Who is Thomas Edison?
Plates that can formed earthquake.
What is transform boundary?
This type of resource can be replaced naturally in a short amount of time.
What is a renewable resource?