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7th Grade Science: Waves Set #1
A substance that takes up space and has mass.
The ability to cause a change in matter.
A recurring disturbance that carries energy, but not matter.
A solid, liquid or gas. Mechanical waves require this to transfer energy.
A type of wave that requires a medium (matter) to transfer energy.
A type of wave that does not require a medium to transfer energy. This type of wave can transfer energy through empty space or through matter.
The top peak of a transverse wave.
The bottommost point of a transverse wave.
The area in a compressional wave where there is less matter in an area as the wave passes through the matter.
The area in a compressional wave where there is more matter in an area as the wave passes through the matter.
The distance between two adjacent crests or troughs of a transverse wave.
Matter in the medium vibrates up and down at a right angles to the direction the energy is transferred.
Matter in the medium vibrates back and forth in the same direction as the energy is transferred.