Which Brand of Air Freshener is Most Cost Effective?

Middle school energy experts read about the relationship between energy use and cost-efficiency. Then they work through a couple of scenarios to determine which approach is more cost-effective.

First in a two-part lesson on the greenhouse effect, this lesson involves a classroom demonstration of the phenomenon, and a lab group experiment with color and absorption. Although there are easier ways to demonstrate the greenhouse...

A neatly formatted outline of the steps of the scientific method can be used as a reference sheet for your future science fair participants. For each step, you will find a few guiding questions or points to remember when working on...

Build an air lift siphon using your mad physics skills! Learners first investigate the importance of circulating water in aquaponics systems. They then use density to their advantage as they engineer an air lift siphon

How do we know what we know? Examine the asker of this, and many other questions, during the 14th installment in a 15-part History of Science video series. The narrator explains the important contributions made by Galileo, Bacon, and...

Sample size and controls are features of the scientific inquiry process that are discussed in this quick-paced quip. A comparison is made between randomized clinical trials and epidemiological studies. Terms such as placebo,...

Students evaluate energy-related purchases. In this consumer awareness instructional activity, students visit an appliance store and rank the products' cost effectiveness by using a mathematical formula.

Music has been said to effect short term memory. Learners test out this hypothesis, graphing how knowledge retention in a biology classroom changes when music is played in the background. In the end, a better appreciation of the dynamics...

Young scholars examine the Scientific Method. They will discover the value in being observant, organized, and thorough with regard to science. They will also explore how these traits can serve them well in other areas of life.

High schoolers are given some components of an experiment, where they are able to identify and fill in missing parts, such as hypothesis, conclusion, results, etc. They form a hypothesis given general scientific facts. Students apply the...