1
A scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact.
2
The smallest unit of a chemical compound that retains the chemical properties of that compound.
3
The force that attracts objects toward each other, especially the force that attracts objects toward the center of the Earth.
4
The capacity or ability to do work, such as the ability to move an object against a force or to heat an object.
5
A form of energy resulting from the existence of charged particles, such as electrons or protons.
6
A physical phenomenon produced by the motion of electric charge, resulting in attractive and repulsive forces between objects.
7
The scientific study of living organisms, including their structure, function, growth, evolution, and distribution.
8
The branch of science that deals with the composition, structure, properties, and reactions of substances.
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