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_________ is the movement of something from an area of high concentration to a lower concentration.
When a reactive element pushes out a less reactive one, this is called ____________.
Darkness is the _______ of light.
A ______ is the name given to one of the seven horizontal rows of the periodic table.
___________ is the reduction of an item's density, the opposite of compression.
_______ is something that remains or is left over.
Electrical __________ is a material's opposition to the flow of electric current, measured in ohms.
An action or movement due to the application of a stimulus is a ________.
It is important to wear ______ glasses during experiments.
___________ is the ability of an organism or part of an organism to react to stimuli.
An electric plug goes in a ______.
A simple ________ is basically two substances that are evenly mixed together.
Which foods are sources of calcium?
A ________ is something that can elicit or evoke a physiological response in a cell, a tissue, or an organism.
____________ of light is when light waves move all the way through a material without being absorbed.
A ______ is the lowest part of a wave between crests.
Sound is a type of energy made by vibrations.
The most familiar kind of ____________ is a change in the speed of an object.
____________ is the term used for acceleration that causes an object to slow down.
We can take sand out of water by __________.
