Phone- (Sound, Voice)
Geo- (Earth)
Photo- (Light)
Demo- (People)
Thermo- (Heat)
100

Device for listening to distant sounds

What is a telephone?

100

The study of Earth and maps

What is Geography?
100

Writing with light

What is Photography?
100

A government ruled by the people

What is a democracy?

100

A tool to measure temperature

What is a thermometer?
200

An instrument used for making small sounds bigger

What is a Microphone?
200

The study of rocks and land

What is Geology?

200

Making a copy with light

What is a Photocopy?

200

A group of people gathered for a cause

What is a demonstration?

200

A container that keeps drinks hot or cold

What is a Thermos?

300

Instrumental piece in which musicians play together

What is a symphony?

300

The branch of math that studies shapes and space

What is geometry?

300

Someone who looks good in photos

What is photogenic?

300

Facts about a group of people.

What are Demographics?

300

A device that controls temperature in a home

What is a thermostat?

400

a woodwind instrument that sends out sounds through its curved, metal body

What is a Saxophone?

400

Heat that comes from inside the Earth

What is geothermal?

400

The process that plants use to make food from the light of the sun

What is Photosynthesis?
400

A disease that spreads among people

What is an epidemic?

400

The study of heat and energy

What is Thermodynamics?

500

the science of sounds used as a method of teaching reading

What is Phonics?

500

A rock that has crystals inside

What is a geode?

500

a small particle of light

What is a photon?

500

A disease that spreads to many countries

What is a Pandemic?

500

When the body gets too cold

What is hypothermia?