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Group 4, June 24

Horizontales
A safety feature that allows electrons to return to the ground
Found in the retina helping to see colors
Visible color with the shortest wavelength
Colored part of the eye
Negatively charged particles that orbit the nucleus of an atom
Two or more substances that do not chemically combine
Opening in the iris that lets in light and images
Metals that let electrons move freely
A spark of electricity generated by unbalanced electrons
Amount of water vapor in the air
Number of protons in an atom
When negative charge of a cloud joins to a positive charge.
Focuses light rays on the retina
Sends signals to the brain that allows one to see
Visible color with the longest wavelength
Verticales
A crystal used to refract light rays into colors
Materials that hold electrons
Positive charged part of an atom
Found in the retina helping to see in the dark
Contains all of the colors
A type of insulator along with glass and cloth
Pure substance
Gives the object the color seen
Two or more atoms join together
Move away from
Gives a path for lightning to follow without destroying a building.
An atom with a positive or negative charge
Molecules joined from two or more different elements
Neutral parts of the nucleus of an atom
Smallest piece of matter that has all of the properties of an object