Results

These two short online tutorials discuss how the earth rotates and then the earth's revolutions.

In the first URL, the YouTube video explains why earth has spring, summer, autumn and winter seasons. The second URL summarizes the key takeaway points.

Use the dynamic worksheet to practice simplifying expressions with fractional exponents, rewriting them as radicals.

Introduction to passive and active transport

Three activities which illustrate the law of exponents.

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

Osmosis is the movement of water across a semi-permeable membrane from an area of low solute concentration to an area of high solute concentration. Osmosis helps regulate the flow of water in and out of cells, which is crucial to their function.

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

An activity explaining the properties of exponents.