Waves and Energy: Energy can be transferred by waves.
Categories of Waves:
1. Mechanical Waves: This type of wave requires a medium (material) to travel through. Examples of such waves would be waves on a jump rope, a slinky, surface waves on water, and sound waves.
2. Electromagnetic Waves: This type of wave requires no medium (substance) to travel through. Visible Light and X-rays are examples of two kinds of electromagnetic waves.
Three General Types of Waves:
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