Earth Science: Introduction To Minerals

video by Michael Sammartano

Figuring Simple Interest

This video explains how to calculate simple interest and demonstrates how to do this with a word problem.

video from InspireMathTutorials

Finding Percents Using Proportion

An introduction video showing you how to find a percent can be seen on the Khan Academy website: Click Here.

This same website shows you how to figure percents when they are in word problems.

Balancing Chemical Equations

Click the link below to learn how to balance chemical equations. If you look at the links to the left of the video, you'll see other helpful videos as well.

Khan Academy Video: Click Here.

Ionic Formulas

This video helps explain compounds:

video by Tyler DeWitt

Earth Science: Atomic Number, Atomic Mass, and Isotopes

From Woodridge School

Watch the video below to learn about isotopes:

video by Tyler DeWitt

Earth Science: Matter

Follow this link to watch a short video explaining what an atom is: Click This Link.

Follow this link to explore an interactive periodic table: Click This Link.

Algebra I: Ratios and Comparing Unit Rates

Watch this video to learn how to compare unit rates:

video by LearnZillion



This video explains ratios and converting unit rates:

video by Lisa Light

Algebra I: Ratios, Rates, Conversions Section 2-6

Watch the following video to understand what a ratio is and how to write one:

Introduction to ratios: What a ratio is. Simple ratio problems.


Learn how to solve a proportion using cross multiplication:

video by Maria Morrisson