7th Grade Review #4 (2nd)

What are 3 properties of waves?

• amplitude

• currency

• speed

• height

• phase

What waves travel on a straight line?

• longitudinal

• horizontally

• transform

• transverse

Sound waves are transverse.

• True

• False

the quality in a sound of being deep, full, and reverberating.

• Resonance

• Interference

• Doppler Effect

• Intensity

Sound waves require a _____ to travel through.

• person
• transverse
• medium
• carrier

The human ear can detect frequencies between:

• 10 - 10000 Hertz
• 20 - 30000 Hertz
• 1 - 1000 Hertz
• 20 - 20000 Hertz

The collection of reflected sounds from the surfaces in a closed space.

• echo
• reverberation
• acoustics
• sonar

Heat transfers from ___ to ___

• low to high

• solid to liquid

• high to low

• liquid to gas

Which electromagnetic waves have the lowest frequencies and longest wavelengths?

• X-Rays

• Radio Waves

• Gamma Rays

• Visible Light

Which types of waves are used to treat cancer?

• UV Light

• Microwaves

• Infrared Light

• Gamma Rays