The part of a longitudinal wave that is more spread out; a decrease in density and pressure in a medium

Wave in which particles of the medium vibrate at right angles to the direction that the wave travels

The lowest point of a transverse wave

The highest point of a transverse wave

Measured as the distance between two adjacent crests of a transverse wave or two adjacent compressions of a longitudinal wave

The maximum distance the particles of a medium move from their resting position

The number of waves that pass a fixed point in a given amount of time; measured in hertz (Hz)

When light waves hit atoms of a medium and cause them to vibrate, emitting heat as thermal energy

When light waves bounce off something else

When light waves bend; light waves are refracted as they pass through water

To cause to separate widely; occurs with light waves when they enter a medium such as air filled with particles that move light waves off their straight path

Portion of electromagnetic spectrum that is visible to the human eye; made of colors

Order of the spectrum of visible light: red, orange, yellow, green, blue, indigo, and violet

Longest and shortest wavelengths

Red has the longest wavelength, violet has the shortest wavelength

To pass or cause to pass through space or a material

An object that does not allow light waves to pass through it; you cannot see through it

An object that allows a few light waves to pass through; you can almost see through these objects

An object that allows light waves to pass through; you can see through these objects

Your perception of the energy of the sound

The perceived frequency of sound

Vibrations that travel through air or another medium and can be heard when they reach a person’s or animal’s ear

A pair of flaps on either side of the larynx responsible for the production of sound including speech

Used to measure the frequency of sound (pitch)

Used to measure the amplitude of sound (loudness or volume)

The pinna, ear canal, and ear drum make up the outer ear

Has the smallest bones in the body: the hammer, anvil, and stirrup

The cochlea is a snail-shaped tube lined with receptors that respond to sound

Produced when a rise in temperature causes atoms and molecules to move faster and collide with each other

The movement of energy from a warmer substance to a colder one; heat always flows from hot to cold

A measure of the average kinetic energy of the molecules in a substance

Heat transfer by molecules or objects touching (by direct contact)

Heat transfer in a fluid (gas or liquid), usually in convection currents

Heat transfer through a vacuum (like outer space) or electromagnetic waves

Diagram of the ear with labeled parts: Outer Ear, Middle Ear, Inner Ear, Ear Flap, Anvil, Stirrup, Auditory Nerve, Cochlea, Eardrum, Eustachian Tube

A substance that transfers energy easily and quickly.

A substance that does NOT transfer energy easily, or transfers very slowly.

Molecules move farther apart when heat is added, increasing the size of an object.

Molecules move closer together when heat is added, decreasing the size of an object.

Energy and Waves Flashcards

Student preview

47 questions

Show all answers

1.

FLASHCARD QUESTION

Front

Energy

Back

Ability to cause changes in matter

2.

FLASHCARD QUESTION

Front

Wave

Back

A disturbance or vibration of a medium that moves through the medium

3.

FLASHCARD QUESTION

Front

Electromagnetic Wave

Back

Transverse wave consisting of vibrating electric and magnetic fields that can travel across space; doesn't need a medium to travel

4.

FLASHCARD QUESTION

Front

Mechanical Wave

Back

A disturbance in matter that transfers energy from place to place; starts when matter is disturbed; needs a medium to travel

5.

FLASHCARD QUESTION

Front

Medium

Back

Materials through which a wave travels

6.

FLASHCARD QUESTION

Front

Longitudinal Wave

Back

Wave in which particles of the medium vibrate in the same direction that the wave travels

7.

FLASHCARD QUESTION

Front

Compression

Back

The densest part of a longitudinal wave; force that tends to shorten or squeeze something, decreasing its volume

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