26.9. I http://www.ck12.org
26.9 I
image
Copy of an object that is formed by reflected or refracted light.
incandescence
Production of visible light by an object that is so hot it glows.
inclined plane
Simple machine consisting of a sloping surface that connects lower and higher elevations.
induction
Drawing general conclusions from many individual observations.
inertia
Tendency of an object to resist a change in its motion.
infrared light
Part of the electromagnetic spectrum in which waves have a wavelength between those of radio waves and
visible light.
infrasound
Sound with a frequency below the range of human hearing (less than 20 hertz).
insoluble
Unable to dissolve in a given solvent.
intensity
Measure of the amount of energy in sound waves, which is determined by the amplitude of the waves and how
far they have traveled and spread out from the source of the sound.
ion
Positively or negatively charged form of an atom that has lost or gained electron(s).
ionic bond
Force of attraction that holds together positive and negative ions that forms when atoms of a metal give up
valence electrons to atoms of a nonmetal.
ionic compound
Compound that forms when oppositely charged metal and nonmetal ions are held together in a crystal by ionic
bonds.
isomer
Compound that has the same chemical formula as another compound but has molecules with a different shape
and may have somewhat different properties.
isotope
Atom of an element that differs in number of neutrons from other atoms of the element.