Energy 3c

What is the main difference between longitudinal and transverse waves?

• Wavelength of wave.

• Direction of particle vibration

• Amplitude of wave.

• Speed of wave propagation.

Tags

NGSS.HS-PS4-1

Which type of wave causes particles to vibrate in the same direction as the wave is moving?

• Electromagnetic waves

• Longitudinal waves

• Transverse waves

• Surface waves

Which type of wave causes particles to vibrate perpendicular to the direction of the wave?

• Surface waves

• Longitudinal waves

• Electromagnetic waves

• Transverse waves

What is the wavelength of a wave?

• The wavelength of a wave is the speed at which a wave travels.

• The wavelength of a wave is the distance between two consecutive points in a wave that are in phase with each other.

• The wavelength of a wave is the time it takes for a wave to complete one full cycle.

• The wavelength of a wave is the distance between the highest and lowest points of a wave.

Tags

NGSS.HS-PS4-1

Which type of wave has compressions and rarefactions?

• sound wave

• gravity wave

• electromagnetic wave

• light wave

Which of the following energy transformations occur when a lamp that is plugged into a wall socket is functioning correctly?

• Chemical to light
• Electrical to chemical
• Electrical to light
• Chemical to electrical

Which of the following shows an energy transformation from chemical energy to electrical to light energy?

• A bolt of lightning lights the night sky.
• A candle glows brightly in the dark.
• A fire in a fireplace lights up a room.
• A battery causes a flashlight to shine.

What energy transformations take place when a battery-operated radio is in use?

• Electrical to chemical to light
• Sound to chemical to mechanical
• Chemical to electrical to sound
• Light to electrical to thermal

Tags

NGSS.MS-PS3-5

People get energy from the food that they eat and transform that energy as they move. Which energy transformations occur as a student rapidly rubs the palms of his hands together?

• mechanical to thermal to electrical
• chemical to mechanical to thermal
• mechanical to chemical to sound
• chemical to sound to electrical

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

Which of the following devices transforms electrical energy into mechanical energy?

• An e-reader
• a fan
• a manual pencil sharpener
• ipod

Tags

NGSS.MS-PS3-5