science

force

described as the push or pull of an object

electromagnetism

is present in particles with electric charge

electromagnetism

it is the interaction that makes it possible for the electrons to stay attracted to the nucleus to form atoms

strong force

holds the positive protons and the neutral neutrons

the weak force

decay of matter. it is more powerful than gravity

friction

is the force that exists between two surfaces that are sliding or attempting to glide across one another

gravity

weakest among the four fundamental gorces, object that have mass exert gravitational forces, but these are actually felt if the masses are huge enough

static friction

which refers to the force between two stationary surfaces in contact that prevents movement of the object

sliding friction

refers to the resistance of any 2 sliding object against each other

rolling friction

refers to the resistance to motion experienced from rollers

scalar quantities

is a type of measurement that is described by magnitude

vector quantities

is a type of measurement that has both magnitude and direction

sounds

is a form of energy that is produced when air molecules vibrate and moves in patterns known as waves or sound waves

acoustics

is the science that focuses on the study of properties and transimission of sounds

acoustician

is a person who works in the field of acoustics

acoustical/audio engineer

is the person working in the field of acoustic technology

pitch

refers to our subjective impression of the “highness or lowness” of a tone.

loudness and intensity

refers to the intensity of the sound have refers to the amount of energy that is transported

waves

are vibrations that travel in a medium that carries energy

electromagnetic waves

are waves that travel through and empty space where matter is not present

mechanical waves

are waves that need a medium in order for the vibration to travel

longitudinal waves

vibration takes place in the same direction or parallel to the advance of the wave

transversal waves

vibrates perpendicular to the direction of the wave

crest

the highest point of the wave

trough

the lowest point of the wave

midpoint

the middle of a wave

wavelength

how long a wave is from two identical parts

amplitude

how high or deep a wave is

wave motion

transfer of energy from one point of a medium to another point without actual transfortatin of matter

wave pulse

short, non-periodic wave formed by single input of energy rather than a continuos or repeated input of energy

luminous objects

objects that produced and emit their own

non-luminous object

objects that don’t emit their own light but sometimes reflect light from another source

lights

are a type of electromagnet radiation that can be seen by the human eye

diffraction

bending of light is called

colors

are the visible parts of the EM spectrum