
Unit 1 Vocabulary Review
Quiz by Araceli Pitts
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the basic unit of a chemical element, also known as the building block of matter
two or more atoms held together by chemical bonds
anything that has mass and occupies space
a combination of two or more substances that are not chemically combined
A measure of how much matter is in an object
a measure of the amount of space an object takes up
horizontal distance between the crests or between the troughs of two adjacent waves
the number of complete wavelengths that pass a point in a given time
the energy associated with the motion and position of everyday objects
the total energy of all the particles of an object
energy carried by an electromagnetic wave
potential energy that depends on the height of an object
a form of potential energy that is stored in chemical bonds between atoms
form of heat transfer where heat energy is directly transferred between molecules through molecular collisions or direct contact.
the transfer of thermal energy by the circulation or movement of a liquid or gas
the transfer of energy by electromagnetic waves
a region of the electromagnetic radiation spectrum where wavelengths are longer than visible light; humans cannot see these but feel them as heat
process by which energy or matter penetrates an object's surface and is taken in by that object
to return light, heat, sound, and so on, after it strikes a surface
The potential energy stored in the nucleus of an atom
A wave that requires a medium through which to travel
waves that can travel through a vacuum (empty space)
a measure of the strength or intensity of a wave
a measure of how much of the Sun's energy is reflected off an object back out to space
a force that holds atoms together