Final Exam

Front 1

Acceleration

Back 1

Rate of velocity (slowing down or speeding up)

Front 2

Acceleration units

Back 2

Meters per second per second (change in velocity/total time)

Front 3

Weight

Back 3

Equals mass times acceleration due to gravity

Front 4

Inertia

Back 4

Property of matter that resists changes in motion

Front 5

Force

Back 5

a push or pull on an object

Front 6

Balanced force

Back 6

Two equal forces acting on objects result in zero net force

Front 7

Action/reaction force

Back 7

Ex. Rocket launcher

Front 8

Newtons laws

Back 8

1. Inertia

2. Force=mass times acceleration

3. Action/reaction forces

Front 9

Momentum

Back 9

Product of mass times velocity

Front 10

Work

Back 10

Force must be in the direction of motion

Front 11

Simple machines

Back 11

Inclined plane,wedge,screw,pulley,lever,wheel and axle

Front 12

Energy

Back 12

Ability to do work

Front 13

Potential

Back 13

Stored energy

Front 14

Kinetic

Back 14

Energy of motion

Front 15

Gravitational energy

Back 15

Related to an objects height above ground,mass,and acceleration due to gravity

Front 16

Potential energy

Back 16

Example: an Apple falling from a tree at 9.8m/s 2

Front 17

Thermal energy

Back 17

Related to heat (warming and cooling)

Front 18

Chemical energy

Back 18

Stored in chemical bonds

Front 19

Conservation of energy

Back 19

Energy can not be created or destroyed, only converted from one form to another

Front 20

Energy conservation

Back 20

Energy can be converted from one form to another

Front 21

Renewable energy

Back 21

Can be replenished readily

Front 22

Fossil fuels

Back 22

Coal and oil deposits found underground

Front 23

Nuclear fission

Back 23

Used to create electricity in nuclear power plants by splitting atoms

Front 24

Nuclear fusion

Back 24

Produces the suns energy by combining atoms

Front 25

Waves

Back 25

All waves (both transverse and longitudinal) transfer energy

Front 26

Longitudinal wave

Back 26

Vibrates in a direction parallel to the motion, ex. Sound waves

Front 27

Transverse wave

Back 27

Vibrates in a direction perpendicular to the motion.

Front 28

Mechanical waves

Back 28

Require a medium (solids,liquids and gasses)

Front 29

Period of wave

Back 29

Time for one complete waveform to travel

Front 30

Wavelength

Back 30

Length of one complete waveform

Front 31

Wave behavior

Back 31

Reflection (bouncing back)

Refraction (bending)

Diffraction(around corners)

Front 32

Wave interference

Back 32

Constructive and deconstruction

Front 33

Doppler effect

Back 33

The closerr a sound the louder it appears

Front 34

Electromagnetic waves

Back 34

Radiation that can travel through space

Front 35

Electromagnetic spectrum

Back 35

Lists all the types of electromagnetic waves in order of wavelength and frequency

Front 36

Charges

Back 36

Unlike charges attract,likes repel

Front 37

Turbine

Back 37

Spins when driven by water or steam

Front 38

Magnetism

Back 38

Force that magnetic materials have- either attraction or repulsion

Front 39

Poles

Back 39

Like poles repel each other, opposite poles attract each other

Front 40

Magnetic field

Back 40

Area around magnet with strong force

Front 41

Magnetic domain

Back 41

Magnetic fields of atoms inside a magnet line up in the same direction

Front 42

Demagnetize

Back 42

Magnets can be demagnatized by heating or by striking with heavy blows

Front 43

Breaking magnets

Back 43

If broken in half: two new magnets form each with a new south and north pole

Front 44

Electromagnetism

Back 44

The relationship between electricity and magnetism

Front 45

Electromagnet

Back 45

Solenoid (coil) with ferromagnetic core

Front 46

Ferromagnetic

Back 46

Materials that are attracted to magnets

Front 47

Earths layers

Back 47

Starting from surface:

Crust

Mantle

Outer core

Inner core

Front 48

Inner core

Back 48

Made of a solid ball of dense metals