Sound
Light
Electricity
Earth Structure
Natural Resources
100

It is a mechanical wave

What is sound wave?

100

It is the natural source of light.

What is the sun?

100

Provides electrical energy to power small electronics.

What is cell?

What is battery? 

100

This is the thin outer layer of Earth where we live.

What is the crust?


100

Renewable resource comes from the Sun and is used to produce electricity.

What is solar energy?


200

This is a place where sound cannot travel because there are no particles to carry the waves.

What is vacuum?


200

This happens when light bounces off a surface like a mirror.

What is reflection?

200

Material that allows electricity to flow through it easily.

What is a conductor?

200

This hot, semi-solid layer lies beneath Earth’s crust.

What is the mantle?

200

Coal, oil, and natural gas are examples of these types of resources.

What are non-renewable resources?


300

When sound waves bounce off a surface and return to the listener, this effect occurs.

What is an echo?

300

This transparent object bends light to help people see more clearly.

What is a lens?

300

This unit is used to measure electric current.

What is an ampere?


300

This scientist proposed the theory of continental drift.

Who is Alfred Wegener?

300

This renewable energy source uses moving air to generate electricity.

What is wind energy?

400

These two things are necessary for sound to be heard.

What are medium and vibrations?

400

It is the process of splitting white light into color spectrum. 

What is dispersion?


400

Particles produce electric current in a circuit.

What are electrons? 

400

Plates move away from each other.

What is divergent boundary?

400

This fossil fuel is commonly used to power cars and trucks.

What is petroleum?

500

Unit used to measure frequency of sound. 

What is Hertz? 

500

He explained that white light is made of many colors using a prism experiment.

Who is Isaac Newton?

500

Inventor who is famous for improving the practical electric light bulb.

Who is Thomas Edison? 

500

Plates that can formed earthquake.

What is transform boundary?

500

This type of resource can be replaced naturally in a short amount of time.

What is a renewable resource?