Energy Transfers & Transformations
Electrical Energy Production Flowchart
Electrical Energy Production
Sun (Solar Energy)
Coal (Chemical Energy)
Heat Energy
Steam (Kinetic Energy)
Turbine (Mchanical Energy)
Generator (Electrical Energy)
.
Law of Conservation of Energy
Energy cannot be created or destroyed
Energy can be transformed
Energy can be transferred
Generation processes to transform energy
Usually ends up as electrical energy
Everyday Examples
Transformations
Incandescent light bulb
Electrical Energy —> Light Eneergy + Heat Energy
Slide
Gravitational Potential Energy —> Kinetic Energy
Transfers
Transported
Wires
Electrical energy is transported by wires
Hot Mug
Cold hands + Hot mug =
Warm hands + Warm mug
.
Sun / Hydrogen atoms
Nuclear Energy —> Sun’s Energy
Rube Goldberg Machine
Use
Description
Created By Rube Goldberg
Created cartoons about complex machines
Engineer and Cartoonist
Machine
Long
Complex
Do a simple task
Concepts
Array of successful events
Kinetic Energy
Potential Energy
Mechanical Advantage
Work
Forces
Acceleration
Momentum
Main Principal
Law of Conservation of Energy
Forms of Energy
Plants / Photosynthesis
Solar (Light) Energy —> Chemical Energy
Potential / Stored Energy
Kinetic Energy
More Speed + Mass = More Kinetic Energy
Light Energy
Travel though space in waves
Heat Energy
Hotter = More Heat Energy
Transfer Energy
Hotter Object —> Colder Object
Sound Energy
Caused by vibrating objects
Travel in waves
Need solid, liquid or gas to carry it
Electrical Energy
Easily transported with wires
Easily change into other energy types
Chemical Energy
Stored in chemical bond of atoms
Fuels
Chemical Energy —> Heat Energy + Light Energy
Nuclear Energy
Stored in atoms
Only some atoms can release energy
Elastic Potential Energy
Certain objects are stretched
Elastic poteantial energy builds up
Object is released
Releases stored energy
Gravitational Potential Energy
Higher the object from the ground
More mass an object has
Object falls
Stored Energy is released
.