Unit 9- Electricity & Waves Vocabulary

Electric current that flows only in one direction.

• electricity
• alternating current
• direct current
• wavelength

Related to the loudness of a sound wave, corresponds to the amount of energy the wave carries.

• wave
• amplitude
• frequency
• wavelength

Tags

NGSS.MS-PS4-1

An electric force that causes free electrons to move from one atom to another. Also known as potential difference.

• resistance
• frequency
• current
• voltage

Tags

NGSS.MS-PS2-3

Circuit in which electric current has only one path to follow.

• amplitude
• voltage
• series
• parallel

The distance between one point on a wave and the nearest point just like it

• diffraction
• amplitude
• wavelength
• frequency

Tags

NGSS.HS-PS4-1

The low point of a wave.

• wavelength
• crest
• amplitude
• trough

Occurs when two waves overlap and combine to form a smaller wave.

• destructive interference
• constructive interference
• refraction
• diffraction

A physical phenomenon that can produce light, heat and power.

• current
• voltage
• electricity
• resistance

The bending of waves around an obstacle; can also occur when waves pass through a narrow opening.

• diffraction
• refraction
• rarefaction
• reflection

The bending of a wave as it changes speed in moving from one medium to another.

• diffraction
• refraction
• rarefaction
• reflection

Tags

NGSS.MS-PS4-2