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The gaseous layer surrounding Earth or another heavenly body.
What is Atmosphere?
The branch of science that deals with the physical universe beyond Earth's atmosphere.
What is Astronomy?
The action of one surface, material, or object rubbing against another.
What is friction?
The decayed remains of once-living creatures.
What is humus?
Objects made by people, such as tools, weapons, containers, etc.
What are artifacts?
A force of attraction existing between any 2 masses.
What is gravity?
The term referring to the growing phase of the moon.
What is "waxing"?
The term referring to the shrinking phase of the moon.
What is waning?
A term that encompasses all scientific pursuits related to living organisms.
What is Life Science?
The study of Earth's history as revealed in the rocks that make up the Earth.
What is Geology?
The example of a famous landmark in England that is a natural observatory.
What is Stonehenge?
What is a Satellite?
The preserved remains of once living things.
What are fossils?
The variable of part of an experiment to which all others will be compared.
What is a Control (of an experiment)?
An aspect of an experiment that changes during the course of an experiment.
What is an experimental variable?
The name of a meteor that makes it through the atmosphere and hits the ground.
What is a meteorite?
An organized system of millions and billions of stars, gas, solar systems, and dust that are held together by gravitational attraction.
What is a galaxy?
Jovian planets have something that Terrestrial planets don't.
What are rings?
The study of life's history as revealed in the preserved remains of once-living organisms.
What is Paleontology?
The study of past human life as revealed by preserved relics.
What is Archaeology?
The amount of light or radiation reflected by a surface, typically that of a planet or moon.
What is Albedo?
Inorganic crystalline substances found naturally in the Earth.
What are minerals?
The process of wearing or grinding something down by wind, water, or other natural agents.
What is erosion?
An explanation of the natural world that has been thoroughly tested and is supported by a significant amount of evidence.
What is a scientific theory?
A description of a natural phenomenon or principle that is supported by a significant amount of evidence and often includes mathematical terms.
What is a scientific law?