Learn about the laws of physics that describe our world!
Levers - a type of simple machine.
Static electricity is a stationary electric charge that is built up on a material.
Phases of Matter: Solid, liquid, gas, and plasma.
Atomic Weight. An atom's atomic weight measures the total of the mass of the protons, neutrons, and electrons.
Apple Quiz: Second-Third Grade Introduction to Research on the Internet
Electric Eel Printout. The Electric Eel (Electrophorus electricus) is a long fish that can generate electricity.
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