Units 7 - 12 Vocab and Units

Front

The bending of a wave as it moves into a new medium

Back

Refraction: This phenomenon occurs when a wave, such as light or sound, changes speed and direction as it enters a different medium, like air to water.

Front

A packet of light

Back

Photon: A photon is the fundamental particle of light and all other forms of electromagnetic radiation, representing a quantum of light.

Front

A unit used to measure distance

Back

Meter (m): The standard unit of length in the International System of Units (SI), used to measure distances.

Front

The unit used to measure current

Back

Ampere (Amps): The SI unit of electric current, defined as the flow of electric charge.

Front

A unit used for mass

Back

Kilogram (kg): The base unit of mass in the SI system, equivalent to 1,000 grams.

Front

The process of a wave bouncing off a surface

Back

Reflection: This occurs when a wave encounters a barrier and bounces back into the original medium.

Front

The unit of energy in the SI system

Back

Joule (J): A unit of energy defined as the work done when a force of one newton displaces an object by one meter.

Front

The unit used to measure voltage

Back

Volt: The SI unit of electric potential difference, defined as the difference in electric potential between two points.

Front

The force that attracts objects toward the center of the Earth

Back

Gravity: A natural phenomenon by which all things with mass are brought toward one another, most notably the Earth.

Front

The unit used to measure frequency

Back

Hertz (Hz): The unit of frequency, defined as one cycle per second.