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A disturbance that transfers energy from place to place


The material through which a wave travels


The highest parts of a transverse wave


Waves are created when a source of energy causes a medium to


The distance between 2 corresponding parts of a wave is called the wave's


When a wave hits a surface through which it CANNOT pass & bounces back, it undergoes


The bending of waves due to a change in speed is called


The bending of waves around the edge of a barrier is known as


Waves combine to make a wave with larger amplitude in a process called

constructive interference

Waves combine to make a wave with larger amplitude in a process called

destructive interference

When vibrations traveling through an object match the object's natural frequency, this is called


Sound is a disturbance that travels through a medium as what kind of wave

longitudinal wave

Sound does NOT travel through

outer space

The speed of sound depends on

the properties of the medium

The ability of a material to bounce back after being disturbed is called


The amount of energy a sound wave carries per second through a unit area


Sound waves with frequencies below the normal human range of hearing


Which term refers to how high or low a sound seems to a person


The pitch of a sound you hear depends on the sound wave's


The changing pitch of a police car's siren as it moves by you is an example of

the doppler effect

A set of tones combines in a way that is pleasing to the ear


A mixture of sound waves that do NOT sound pleasing to the ear


These waves have some electrical & some magnetic properties

electromagnetic waves

Electromagnetic waves can transfer energy without a


These electromagnetic waves have the longest wavelengths & lowest frequencies

radio waves

The electromagnetic waves with the highest frequencies

gamma rays

A material that reflects or absorbs any light that strikes it


Clear glass, water, and air are examples of this kind of material


Frosted glass and wax paper are examples of this kind of material


This occurs when parallel rays of light hit a rough or bumpy surface

diffuse reflection

When the surface of a mirror curves inward, it is called


This happens when light passes from air into water

the light slows down

This happens when white light strikes a black object

NO light is reflected

The primary colors of light are

Red, green, blue

Opaque substances that are used to color other materials are called


Every magnet, regardless of its shape, has 2

Magnetic poles

This happens if you break a magnet in half

Each half will be a new magnet (with a north & south pole)

Magnetic poles that are alike

Repel each other

The region around a magnet where the magnetic force is exerted in known as

Magnetic field

Magnetic field lines around a bar magnet do what

Spread out from the poles & curve around the magnet

An electric current produces a

Magnetic field

The charge on a proton and electron

Proton=positive Electron=negative

Just like with like magnetic poles, like electric charges do this

Repel each other

The buildup of charges on an object is called

Static electricity

The loss of static electricity as electric charges move off an object

Static discharge

After you acquire a positive charge, you then touch a doorknob & receive a shock. This leaves you

Electrically neutral

This causes current to flow


An electric current will always follow

The path of least resistance

In a series circuit with 3 bulbs

All the bulbs become dimmer as more bulbs are added

In a parallel circuit with 3 bulbs

Current from each bulb has its OWN path to follow

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