Air
Earth
Life/ Social
Female
Heat
100

The stem that means "air."

What is "aero?"

100

The stem that means "earth."

What is "geo?"

100

The stem that means "life."

What is "bio?"

100

The stem that means "female."

What is "ess?"

100

The stem that means "heat."

What is "thermo?"

200

Exercise that increases the need for oxygen

What is aerobic?

200

The science that deals with the history of the earth as recorded in rocks.

What is geology?

200

Capable of being decomposed by living organisms.

What is biodegradable?

200

The daughter of a king or queen.

What is a princess?

200

 An instrument used to measure heat or cold.

What is a thermometer?

300

Someone who operates an aircraft.

What is an aeronaut?

300

Having the earth as the center.

What is geocentric?

300

Not seeking the company of other people.

What is antisocial?

300

A female that inherits money, property or title from a relative.

What is an heiress?

300

A device that controls hot or cold temperatures.

What is a thermostat?

400

The art of performing stunts with airplanes.

What is aerobatics?

400

Heat from within the earth.

What is geothermal?

400

Examination of tissue removed from a living body.

What is a biopsy?

400

A woman who serves customers at a restaurant.

What is a waitress?

400

The study of the relationships between heat, work, temperature, and energy.

What is thermodynamics?

500

An instrument that measures the weight and density of the air.

What is an aerometer?

500

A hollow rock that is lined with crystals from the earth.

What is a geode?

500

An economic or political system where the government is all controlling of people.

What is socialism?

500

A female lion.

What is a lioness?

500

A container that keeps a drink or other fluid hot or cold by means of a double wall enclosing a vacuum.

What is a thermos?

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