How Much Do You Really Weigh?

Scholars approach a problem trying to plan a meal for a class party. They learn about the restrictions and must decide what information they need to plan the meal. The first lesson in a 13-part unit on Our Hungry Planet encourages...

Learners will like making a liquid layer cake to investigate the relative densities of various liquids: water, oil, and corn syrup. They will also introduce a few solid materials to find out how their densities compare. Standing alone,...

Not many youngsters realize that solids aren't the only materials that can possibly be dissolved in water. During this investigation, they find out that some liquids can dissolve in water as well. This is part of a unit on solubility,...

The earth is literally older than dirt, but how can we prove it? The video explains the methods used to find the age of the moon and the earth. It offers a quick overview of the rock cycle, geologic processes, and the impact of meteors. 

Can you feel the weight of the air on your shoulders? Your classes may not believe that air has weight. A straightforward experiment asks individuals to weigh a bottle before and after adding air. Their results may surprise them!

This resource contains a lesson plan in which students study the effects of gravity on the planets of the Solar System. They will view movies from the lunar Apollo missions, calculate their own weight on other planets, and propose what...

Bend it, but don't break it. Groups investigate the strength of different materials. Using a procedure in the seventh segment of a 22-part series on aviation, pupils determine how far a rod will bend. They determine the strength-to-mass...

Get a better understanding of babies in the sea. The class learns about the two kinds of plankton. They then determine the baby pictures of eight marine animals given a picture of the adult and some hints about the larvae. When scholars...

Research the necessary components of a planet that supports life after reading the article "All of a Sudden, The Neighborhood Looks a Lot Friendlier" from The New York Times. After finding their information, middle and high schoolers...

Here on Earth a day takes 24 hours. How long are days on other planets in our solar system? Find out here in three different ways, whichever meets your learning style the best.