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Three activities which illustrate the law of exponents.

This is a simple video which describes how indices problems are solved using simplified laws.

Online problems where the student is required to simplify the expression using the product property of exponents.

An activity explaining the properties of exponents.

This 20 minute YouTube video explores the differences between small and large scale agriculture and the uses of each.

An exploration of how the area under a force vs. position graph equals the work done by the force and solves some sample problems.

Outcomes

In this unit you will learn about:

• the concept of work
• understand that work is done by an applied force
• the concept of energy
• identify the different types of energy
• the concept of power

What exactly is energy? How can changes in force, energy, and simple machines move objects like roller coaster cars? How can machines help us do work? In this chapter, you will discover the answer to this question and many more, as you learn about work, energy, and simple machines.

An exploration through some example problems on the concept of work.