AST - STAR
DEM - PEOPLE
CYCLE - WHEEL
PHON - SOUND
HYDRA - WATER
100

This is a natural science about studying celestial objects.

What is astronomy?

100

It is a system of government with the whole population being in power.

What is democracy?

100

A type of vehicle with 2 wheels.

What's a bicycle?

100

It is an extended musical piece for symphony orchestra.

What is a symphony?
100

To supply water to somebody in order to maintain fluid balance.

What is hydrating?
200

This is a pseudo-science that divines information by studying celestial objects.

What is astrology?

200

It is the study of statistics that illustrate the structure of human populations.

What is demography?

200

A type of vehicle with two wheels that is powered by a motor.

What is a motorcycle?

200

A device used to speak to other people that are a long distance away.

What is a telephone?

200

The scientific study of the mechanical properties of gases and liquids.

What is hydraulics?

300

This is a text symbol that looks like a star. (*)

What is an asterisk?

300

It is the fear of crowds and large amounts of people.

What is demophobia?

300

it is a cyclic compound that has 2 different elements as members of its rings.

What is a hererocycle?

300

They are the system of sounds in a particular language.

What are phonetics?

300

A substance, such as sulfuric acid, that removes water.

What is a dehydrator?

400

They are people who are trained to travel through space.

What is an astronaut?

400

It is the type of speech used by ordinary people; Popular or colloquial. 

What does demotic mean?

400

It is one million cycles, especially megahertz.

What is a megacycle?

400

It is a jarring, discordant sound; many different sounds, creating a jarring effect

What is a cacophony?

400

It is a hydrate with six molecules of water per molecule.

What is a hexahydrate?

500

It is the branch of physics that applies to celestial objects.

What is an astrophysicist?

500

It is putting or passing something through a cycle again; reusing in a cycle

What is recycling?

500

A hydrate in which the molecular ratio of water molecules to the compound is 1:2.

What is a hemihydrate?

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