Matter
Ecosystems
Weather
Heat transfer
Life science
100

What is a molecule?

a molecule is two or more atoms chemically bonded together

100

What is a community?

A community is a population of many species that live and interact in an area.

100

what is water vapor?

water vapor is the gas state of water.

100

What is conduction?

 Conduction is the direct transfer of heat between objects that touch.

100

What is a cell...?

A cell is the basic building blocks of life 

200

what is condensation

 the process where water vapor becomes liquid.

200

What is a community?

A community is a population of many species that live and interact in an area.

200

What is a thermometer

A thermometer is an instrument that measures temperature

200

what is the simple definition for radiation in a simple 

energy that moves from one place to another in a form that can be described as waves or particles. 

200

What is the main organ of the respiratory system

The lungs

300

What is a population

a group of the same kind of organism living in a certain area

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