Honors Integrated Science Final

Front 1

Newton's 3rd Law

Back 1

"A" exerts force on "B", and "B" exerts opposite and equal force on "A"

Front 2

acceloration

Back 2

a change in velocity over time

Front 3

weight

Back 3

a measure of the pulling force of gravity

Front 4

scientific model

Back 4

a method of representing the relationship between variables

Front 5

hypothesis

Back 5

a prediction that can be tested by experimentation

Front 6

oscillator

Back 6

a system that shows harmonic motion

Front 7

newton

Back 7

a unit of force

Front 8

hertz

Back 8

a unit of one cycle per second, used to measure frequency

Front 9

standing wave

Back 9

a wave trapped in one spot, like the vibrating string experiment

Front 10

longitudnal wave

Back 10

a wave with oscillations in the same direction as the wave motion

Front 11

experimental variable

Back 11

also known as the manipulated variable, plotted on the x axis

Front 12

dependent variable

Back 12

also known as the responding variable, plotted on y axis

Front 13

wave fronts

Back 13

another term used to describe crests of a wave

Front 14

gravity

Back 14

attracted force between any two objects that have mass

Front 15

hsu

Back 15

author of the 9th grade integrated science book; wicked cool guy

Front 16

natural frequency

Back 16

describes how an object "wants" to vibrate

Front 17

conceptual model

Back 17

discription based on ideas; describes how a process works

Front 18

velocity

Back 18

distance traveled divided by time, includes direction of motion

Front 19

Newton's 2nd Law

Back 19

force = mass X acceloration

Front 20

friction

Back 20

force from relative motion between objects; opposes motion

Front 21

harmonics

Back 21

frequencies that are multiples of fundamental notes

Front 22

diffraction

Back 22

happens when a wave passes through an opening

Front 23

resonance

Back 23

happens when the force applied to an object matches that object's natural frequency

Front 24

crest

Back 24

high point on a wave

Front 25

Newton's 1st Law

Back 25

law of inertia

Front 26

amplitude

Back 26

maximum distance from the average in harmonics

Front 27

harmonic motion

Back 27

motion that repeats itself

Front 28

fundamental

Back 28

name of the first harmonic

Front 29

frequency

Back 29

number of cycles an oscillator makes per second

Front 30

decceloration

Back 30

occurs when a change in velocity is in the negative direction

Front 31

scientific method

Back 31

process used to gather information that leads to understanding

Front 32

force

Back 32

push, pull, or anything that has the ability to change motion

Front 33

inertia

Back 33

reluctance of a body to change it's state of motion

Front 34

physical model

Back 34

scale model of a bridge is an example

Front 35

graphical model

Back 35

shows the relationship between two variables on a graph

Front 36

instantaneous speed

Back 36

speed of an object at a specific point in it's journey

Front 37

mass

Back 37

the amount of matter an object has

Front 38

reflection

Back 38

the bounce of a wave off a surface

Front 39

trough

Back 39

the low point on a wave

Front 40

momentum

Back 40

the mass of an object multipllied by it's velocity

Front 41

period

Back 41

the time for one cycle

Front 42

average speed

Back 42

total distance divided by total time taken

Front 43

net force

Back 43

total of all forces acting on an object, can = 0 if forces are blanced

Front 44

meter/second squared

Back 44

unit for acceloration

Front 45

cycle

Back 45

unit of motion that repeats itself over and over

Front 46

meters/second

Back 46

unit of speed

Front 47

control variable

Back 47

variable kept the same through the whole experiment

Front 48

transverse wave

Back 48

wave with oscillations perpendicular to motion

Front 49

plane waves

Back 49

waves that move in straight lines

Front 50

refraction

Back 50

when light crosses a boundary and bends