This tutorial explains the difference between potential and kinetic energy. It also introduces the Law of Conservation of Energy.

Learn about various states of energy, and how those states affect living organisms.

An introductory lesson describing the definition of energy, and highlighting different sources of usable energy.

Through a combination of slide show tutorials and a video demonstration, learn how enzymes work. [3:00]

A slide-show presentation illustrating the differences between eukaryotic and prokaryotic cells.

This lesson explains how to examine nearby words when determining the meaning of vocabulary words. This tutorial lesson shares a short slideshow with the lesson's content. L.11-12.4 Word Meanings, L.11-12.4a Words/Context

A narrated tutorial which illustrates how the work-energy theorem can be expanded to include other kinds of energy. [10:07]

Find out some common factors that affect the solubility of a substance. Also explore the reasons behind the rule "like dissolves like." [4:45]

Learn the difference between fact and opinion as it relates to scientific thinking.

A short tutorial explaining the main features of the moon's surface.

Use prior knowledge of a rectangular prism to determine the formula of a cylinder. Check for understanding with the assessment at then end of lesson.

When given two ordered pairs, find the slope of a line. Includes video.

This tutorial uses a slide show focusing on foreshadowing. It defines foreshadowing, gives types of foreshadowing, prophecy, symbolism, and omen.

This lesson will help prepare students to first form an opinion and then provide a correctly written response. Students organize their thoughts, agree or disagree, define the problem, support opinion, and conclude in 3-5 sentences. This...

This video tutorial reviews the freezing point and boiling point constants of water. [1:19]

Listen to this podcast discussing the similar characteristics of the freshwater biomes of the world. [0:47]

This presentation provides information about the characteristics of several different freshwater ecosystems.

This colorful slideshow provides a nice introduction to the freshwater biomes around the world.

An introductory slideshow illustrating the three types of rocks, with an emphasis on metamorphic rock.

A slide show presentation illustrating the characteristics of the Pacific Ring of Fire.

Listen to this podcast which explains the basics of plate tectonics on Earth. [0:39]

An basic introduction to plate tectonics and the Earth's processes related to this phenomenon.

Understand how to classify rocks and minerals with this concise tutorial.

Listen to this podcast which explains the various processes that form sedimentary rock. [0:32]