ch. 9-10 science study guide

a wave transfers

• energy

• troughs

• electromagnetic fields

• radio waves

what forms when a source of energy causes a medium to vibrate.

• refraction

• mechanical waves

• resonance

• energy

Define crest

• the highest point of a wave

• lowest point of a wave

• medium

• microwaves

Define Trough

• highest point of a wave

• ultraviolet rays

• the lowest point of a wave

• gamma rays

What is the difference between a transverse wave and a longitudinal wave

• a wave that appears to stand in one place

• the maximum distance the medium vibrates from the rest position

• a system that uses reflected microwaves to detect objects and measure their distance and speed

• Transverse waves vibrates the medium at right angles to the direction the wave is traveling Longitudinal wave vibrates the medium in th same direction the wave travels

The distance between two crests is the

• wavelength

• frequency

• trough

• crest

The ________ of a wave is the number of waves that pass a given point in a certain amount of time.

• wavelength

• frequency

• radar

• refraction

The bending of the wave due to change of speed is called

• resonance

• wavelength

• frequency

• refraction

__________ occurs when external vibrations match an object’s natural frequency.

• resonance

• refraction

• amplitude

• frequency

What is the angle of incidence if a reflected wave bounces off a mirror at an angle of 65 degrees?

• 28

• 90

• 65

• 180