Waves that travel through empty space are called

• mechanical waves

• electromagnetic waves

Waves that need matter to travel through are called

• mechanical waves

• electromagnetic waves

Sound waves are

• mechanical waves

• electromagnetic waves

Radiant (light) waves are

• mechanical waves

• electromagnetic waves

Ocean, slinky, and seismic waves are all

• mechanical waves

• electromagnetic waves

Waves that move at a right angle (perpendicular) to the direction of the disturbance are called

• transverse waves

• longitudinal or compressional waves

Waves that move in the same direction (parallel) to the direction of the disturbance are called

• transverse waves

• longitudinal or compressional waves

Radiant (light) waves are mostly

• transverse waves

• longitudinal or compressional waves

Sound waves are

• transverse waves

• longitudinal or compressional waves

____________ need matter to travel through.

• Radiant (light) waves

• Sound waves