Don't be so dense that light bends around you; study the relationship between mass and volume instead. Young chemists measure the density of a variety of liquids and solids. A reading passage and analysis questions introduce pupils to...

Educate scholars on pollution—air, water, and land—with a series of lessons that begin with a thorough explanation of each type. Learners then take part in three activities to reinforce the importance of reducing pollution. They...

How do you write a number in scientific notation? The handout and video provide an explanation on how to convert from standard form into scientific notation and vice versa. The resource also contains a short discussion about choosing...

Make sure your scientists are reporting their work effectively by providing them with a reference for their lab reports. The first few pages of this resource detail each element of a lab report, and the last few pages provide an example...

Young scientists learn about plate tectonics and the three different types of faults (normal, reverse, and strike-slip) using foam models. The activity also covers common types of locations where these faults are found.

From reading the class syllabi or listening for lecture indicators to considering typing vs. handwriting and formatting, read through this list of suggested note-taking tips that can help learners discover which techniques work best for...

Introduce learners to allegorical art with four bronze sculptures by Francesco Bertos. After modeling how to recognize bias and allegory in Bertos' Africa, class groups examine the other three sculptures in the series before creating...

This site from General Chemistry Online provides a mnemonic device you may not have seen to help remember the rules for significant digits called the Atlantic-Pacific Method. Also includes a comparison between this rule and the...

Explains how to round to a given number of "significant digits".

This site from the University of California provides a lengthy and intelligent discussion of sig figs, absolute and relative precision, accuracy, precision in calculations, rounding off, and the whole shooting match of how we report what...

This is a glossary entry for the term "Allegory" including multiple definitions for the term, links to other figures of speech, links to more information, and examples.

Brief overview, followed by biographical sketches of people making this time memorable.

Sometimes it is difficult to solve an equation exactly. But an approximate answer may be good enough!

A short encyclopedia entry on the Hindu sky god Dyaus Pita. Also has links to other encyclopedia entries on other significant figures in Hindu mythology.

A short encyclopedia entry describing the group of Hindu sun gods known as Adityas. Also has links to other encyclopedia entries on other significant figures in Hindu mythology.

With the subtitle, "stuff you should know before delving too far into Chemistry," this site examines a range of six topics to provide the user with a broader understanding of chemistry.

An encyclopedia entry about the Buddhist Bodhisattva Avalokitesvara. It describes the significance of this figure in Buddhism.

Discusses the history of Greek medicine from ancient times, and the impact of important figures such as Hippocrates, Diocles of Carystus and Praxagoras of Cos. Some of the significant advances in diagnosis and treatment are described....