Display the arrangement of molecules in solids, liquids, and gases. Demonstrate how the addition of heat energy results in greater molecular motion and therefore a change of phase. Give examples of heat conductors and insulators, and...

Sometimes a simple explanation is best when introducing new concepts. Identify the three states of matter with this presentation. Each slide provides a simple description and examples for each of the three states. Tip: Show students the...

A huge slide show provides a review of almost every topic there is to cover in basic chemistry! Your young scientists will be interested to see each illustration and example given. The appearance of the 120 slides varies greatly, most...

There is not much information in this presentation. It serves more as a guide to direct the flow of your introductory chemistry lecture. Each slide displays a large title and a smaller phrase meant to explain it. For example, one title...

What's the matter? Gas, solid, liquid, or plasma. The presentation covers how to describe and identify matter, changes in matter, types of matter, measuring matter, particles of matter, Democritus, and John Dalton's Atomic Theory.

It's all well and good when you're asked to identify a speaker's tone using his or her body language, facial expression, and pitch and emphasis. Identifying the tone of a written passage is another challenge entirely. Check out an...

A color-coded periodic table identifies organic elements, major minerals, and trace elements. Oxidation states are highlighted and types of chemical bonding are annotated. The electron energy level chart is explained. Though not all of...

First exploring the facts about the John F. Kennedy assassination, this impressive presentation dismantles many popular conspiracy theories about that fateful day. From Jack Ruby's motives to "the magic bullet" to Fidel Castro, the...