G7 REVIEWER Waves and Energy Transfer

What are the two main types of waves?

• sound waves and light waves

• transverse waves and longitudinal waves

• mechanical waves and electromagnetic waves

• radio waves and gamma rays

Explain the difference between transverse and longitudinal waves.

• Transverse waves transfer energy through compression, while longitudinal waves transfer energy through rarefaction.

• Transverse waves can only travel through solids, while longitudinal waves can only travel through liquids.

• Transverse waves oscillate in a straight line, while longitudinal waves oscillate in a circular motion.

• Transverse waves oscillate perpendicular to the direction of energy transfer, while longitudinal waves oscillate parallel to the direction of energy transfer.

List three properties of waves.

• Speed, Energy, Volume

• Amplitude, Frequency, Wavelength

• Phase, Intensity, Pitch

• Direction, Density, Pressure

How does energy transfer occur in waves?

• Energy transfer in waves occurs through the movement of solid objects.

• Energy transfer in waves occurs through the vibration of particles or fields.

• Energy transfer in waves occurs through the release of light particles.

• Energy transfer in waves occurs through the absorption of sound waves.

Describe how wavelength, velocity, and amplitude are related in a sound wave.

• Amplitude is inversely proportional to frequency.

• Wavelength is inversely proportional to frequency, which is directly proportional to velocity. Amplitude represents the intensity of the sound wave.

• Wavelength is directly proportional to velocity and amplitude.

• Velocity is directly proportional to amplitude.

Explain how waves carry energy from one place to another.

• Waves carry energy by creating a vacuum in the medium, allowing energy to flow through

• Waves carry energy by generating heat in the medium, which spreads the energy

• Waves carry energy by emitting light particles that transfer energy

• Waves carry energy by causing particles in a medium to vibrate or oscillate, transferring the energy from one particle to the next.

Give an example of a transverse wave.

• Electromagnetic wave

• Longitudinal wave

• Sound wave

• Light wave

What is the relationship between frequency and energy in a wave?

• Energy is inversely proportional to frequency in a wave.

• Energy is not affected by frequency in a wave.

• Energy is proportional to wavelength in a wave.

• Energy is directly proportional to frequency in a wave.

How does the medium through which a wave travels affect its speed?

• The speed of a wave is faster in mediums with low temperature.

• The speed of a wave is faster in mediums with high viscosity.

• The speed of a wave is faster in denser and more elastic mediums.

• The speed of a wave is faster in less dense and less elastic mediums.

Why is it important to understand that waves carry energy?

• It is important to understand that waves carry energy because it helps in comprehending various phenomena and predicting wave behavior.

• Waves carry emotions instead of energy

• Understanding wave energy is irrelevant in scientific studies

• The concept of wave energy is a myth created by scientists