Chapter 8: Energy

WORK

Energy Transformation of a Downhill Skier
This GIF animation from the Multimedia Physics Studios shows the work done on a skier.

Which Path Requires the Most Energy?
A GIF animation from the Multimedia Physics Studios illustrating the relationships between force, displacement, and work.

Work
Pushing a grocery cart, lifting a backpack, throwing a frisbee—these are all examples of work. Find out more about work in this interactive tutorial from The Physics Classroom.

POWER

Power
When going up the stairs you do the same amount of work whether you run or walk. However running requires more power. Learn more about power in this interactive tutorial from The Physics Classroom.

Rockets and Newton's Laws
How do rockets work? Explore the physics of rocket flight in this lesson.

MECHANICAL ENERGY

Baseball and Newton's Laws
Analyze the action and reaction forces of a baseball swing in this Quicktime movie (3363 k) from the Science of Sports site at the University of Illinois at Urbana-Champaign.

Identifying Action and Reaction Force Pairs
Forces always come in pairs known as action-reaction force pairs. Read this lesson from The Physics Classroom and try your luck at identifying action-reaction pairs.

POTENTIAL ENERGY

Potential Energy
A skier on a hill and a drawn bow both have potential, or stored energy. Read this lesson from The Physics Classroom to learn more about potential energy.

Potential Energy
This SMILE lesson written by LaToya Bennett introduces the concept of potential energy through a variety of activities using common household items.

KINETIC ENERGY

Kinetic Energy
All moving objects have energy called kinetic energy. Find out about kinetic energy in this interactive tutorial from The Physics Classroom.

Kinetic Energy and Work
In this SMILE lesson written by Yolanda McGehee, you will learn about work and kinetic energy by rolling balls of various masses down a ramp and measuring the distance the ball moves a block wall.

CONSERVATION OF ENERGY

Energy Conservation on an Incline
Watch the potential and kinetic energy change as a car rolls down the hill in this GIF animation from the Multimedia Physics Studios.

Energy Quest
Produced by the California Energy Commission, this site provides games, puzzles, and other activities that illuminate energy in all its forms.

Energy Transformation on a Roller Coaster
Watch the potential and kinetic energy change as the roller coaster goes up and down in this GIF animation from the Multimedia Physics Studios.

MACHINES

Simple Machines Word Search
Find key words related to simple machines in this word puzzle from the Ruth Patrick Science Education Center at the University of South Carolina, Aiken.

Simple Machines
This SMILE lesson written by Susan Frazier presents several ideas for activities that explore the relationship between work and simple machines.

ENERGY FOR LIFE

Photosynthesis
This excellent introduction to photosynthesis comes from the Online Biology Book by M. J. Farabee.

Unit 1: Learning Links
Chapter 1, Chapter 2, Chapter 3, Chapter 4, Chapter 5, Chapter 6
Chapter 7, Chapter 8, Chapter 9, Chapter 10, Chapter 11
Chapter 12, Chapter 13, Chapter 14, Chapter 15, Chapter 16