Power & Energy Finals Review

Front 1

Conservation of Energy Law

Back 1

Energy is never lost, it is converted to a different form of energy.

Front 2

A roller coaster has __________ _________ as you wait to plunge down the track.

Back 2

Potential Energy

Front 3

A roller coaster has __________ __________ as you speed down each hill of the track.

Back 3

Kinetic energy

Front 4

Energy

Back 4

the capacity to do work or to make an effort

Front 5

Force

Back 5

a physical action or movement

Front 6

Work

Back 6

moving an object in the same direction as the force

Front 7

Ohm's Law

Back 7

the current through a conductor directly proportional to the voltage

Front 8

Open circuit

Back 8

An electrical circuit that is not complete

Front 9

Closed circuit

Back 9

An electrical circuit that is finished

Front 10

Pascal's Law

Back 10

Fluid is forced equally throughout space if liquid is non compressible.

Front 11

Hydraulics

Back 11

the generation, control, and transmission of power by the use of pressurized liquids

Front 12

Pneumatics

Back 12

Systems powered by compressed air or compressed inert gases.

Front 13

Fluid power

Back 13

the use of fluids under pressure ( liquid or gas/air) under pressure to generate force

Front 14

A system

Back 14

a set of interacting components which form a complex whole.

Front 15

Model

Back 15

a representation, generally in miniature, to show the construction or appearance of something.

Front 16

Design

Back 16

to prepare the preliminary sketch or the plans for a project

Front 17

Scale model

Back 17

A physical representation of an object that maintains all the same proportions. Looks identical, but smaller.

Front 18

Transfer of Energy

Back 18

Energy changing form: i.e., wind energy to electric energy through a windmill. Sunlight warming you is radiation energy to thermal energy.

Front 19

A baseball pitcher goes from holding the ball to pitching it 90 MPH

Back 19

A transfer of energy from potential to Kinetic

Front 20

A simple machine

Back 20

a mechanical device that changes the direction or magnitude of a force

Front 21

A Lever

Back 21

Simple Machine :a machine consisting of a beam or rigid rod pivoted at a fixed hinge, or fulcrum

Front 22

Wheel and Axle

Back 22

Simple Machine :wheel attached to an axle so that these two parts rotate together in which a force is transferred from one to the other

Front 23

Pulley

Back 23

Simple Machine :a wheel on an axle or shaft that is designed to support movement and change of direction of a taut cable or belt along its circumference

Front 24

Inclined Plane

Back 24

Simple Machine : a flat supporting surface tilted at an angle, with one end higher than the other, used as an aid for raising or lowering a load. A Ramp

Front 25

Wedge

Back 25

A simple machine, can lift up an object by one end, or hold an object in place.

Front 26

A Screw

Back 26

simple machine that converts rotational motion to linear motion, and a torque (rotational force) to a linear force

Front 27

Failure Analysis

Back 27

Looking at how a design failed and making changes so the design is better and does not fail again.

Front 28

Complex Machine

Back 28

A machine that combines two or more of the simple machines.

Front 29

Anthropometrics

Back 29

the measurement of the size and proportions of the human body.

Front 30

Prosthetic

Back 30

a device, either external or implanted, that substitutes for or supplements a missing or defective part of the body.

Front 31

Mechanical Advantage

Back 31

a measure of the increased force achieved by using a tool, mechanical device or machine system

Front 32

Gear

Back 32

a part, as a disk, wheel, having cut teeth of such form, size, and spacing that they mesh with teeth in another part to transmit or receive force and motion.

Front 33

Biometrics

Back 33

the process by which a person's unique physical and other traits are detected by an electronic device as a means of confirming identity: i.e., Fingerprint scan, retinal scan

Front 34

Brainstorming

Back 34

Rapidly collecting ideas for a project to sift through them later.

Front 35

Specifications

Back 35

the requirements of a project.

Front 36

Design requirements

Back 36

The given requirements an engineer needs to pay attention to as he designs a project.

Front 37

Parameter

Back 37

A restriction, usually on a project, that needs to be followed as project is designed.

Front 38

Iteration

Back 38

a different version of an existing data set, software program, hardware device,

Front 39

Prototype

Back 39

the original or model on which something is based or formed.

Front 40

Solar Power

Back 40

Using the power of the sun to make electricity

Front 41

Renewable Energy Source

Back 41

An energy source that can be replenished after it is used.

Front 42

Non-renewable energy source

Back 42

An energy source that cannot be replenished. Once it is used, it is gone or takes TOO long to replenish. i.e. fossil fuels

Front 43

Geothermal Energy

Back 43

Energy heat source that comes from deep in the Earth

Front 44

Wind Power

Back 44

Using Wind to generate electricity

Front 45

Hydropower

Back 45

Using the power of water to create energy/electricity

Front 46

BioMass

Back 46

Creating energy through the burning of materials, mostly trash.

Front 47

Oil

Back 47

A non-renewable fossil fuel

Front 48

Natural Gas

Back 48

a combustible mixture of gaseous hydrocarbons that accumulates in porous sedimentary rocks

Front 49

Coal

Back 49

a black or dark-brown combustible mineral substance consisting of carbonized vegetable matter, used as a fuel.

Front 50

Nuclear Energy

Back 50

energy released by reactions within atomic nuclei, as in nuclear fission or fusion.

Front 51

Environmental

Back 51

Relating to or concerned with the impact of human activities on the natural environment

Front 52

Invention

Back 52

A brand new product that usually has a positive effect on people.

Front 53

Multi Media

Back 53

the combined use of several media, as sound and full-motion video in computer applications.

Front 54

Unique

Back 54

Being different from anything else.

Front 55

Lockout Tagout

Back 55

practices and procedures necessary to disable machinery or equipment to prevent hazardous energy release that can injure or kill people by crushing or electricity

Front 56

Class A Fire Extinguisher

Back 56

fire extinguisher for ordinary combustible materials such as paper, wood, cardboard, and most plastics.

Front 57

Class B Fire Extinguisher

Back 57

fire extinguisher forfires involve flammable or combustible liquids such as gasoline, kerosene, grease and oil.

Front 58

Class C Fire Extinguisher

Back 58

fire extinguisher for electrical equipment, such as appliances, wiring, circuit breakers and outlets.

Front 59

Class D Fire Extinguisher

Back 59

fire extinguisher commonly found in a chemical laboratory. They are for fires that involve combustible metals, such as magnesium, titanium, potassium and sodium.

Front 60

Class K Fire Extinguisher

Back 60

fire extinguisher for fires that involve cooking oils, trans-fats, or fats in cooking appliances and are typically found in restaurant and cafeteria kitchens