8th Grade Science: Unit 04 Flashcards

Front

Fill in the blank: __________ is the height or distance from the mid-line of a wave, the equilibrium position, to the point of maximum vertical displacement (crest or trough).

Back

Amplitude

Front

Fill in the blank: __________ are transverse waves that vibrate electric and magnetic fields and travel at the speed of light.

Back

Electromagnetic spectrum

Front

Fill in the blank: __________ is the number of times a wave passes a certain point in a given amount of time.

Back

Frequency

Front

Fill in the blank: __________ is the movement of energy through a medium from one place to another.

Back

Wave

Front

Fill in the blank: __________ is the distance from any one point on a wave to a corresponding point on the next wave; crest to crest or trough to trough.

Back

Wavelength

Front

Fill in the blank: __________ is the scientific study of objects and phenomena beyond Earth's atmosphere, including stars, planets, and galaxies.

Back

Astronomy

Front

Fill in the blank: __________ is the highest point of a wave.

Back

Crest

Front

Fill in the blank: __________ is a wave propagated at the speed of light resulting from oscillations in electrical charge and current; includes light as well as other types of radiation on the electromagnetic spectrum.

Back

Electromagnetic wave

Front

Fill in the blank: __________ is the technology that uses thin strands of glass or plastic fibers to transmit light signals over long distances for communication.

Back

Fiber optics

Front

Fill in the blank: __________ is the transfer of thermal energy from a light source (e.g., Sun, fire, light bulb, and burner) to an object or substance.

Back

Radiation