"activities&amp"

Guided Inquiry Study of Soil

This working model thermostat will demonstrate how differential expansion is used to control temperature. A bimetallic strip is used to open or close an electric circuit when temperature changes. The contacts will carry about three amperes. The unit can be operated with a 6 V lantern battery, low voltage power supply, or a blow dryer. Mounted on a metal base; approximately 15 cm high.

Observe the “Energy Producers” in Cells

Captivating table-top volcano model with cutaway design, hand-painted details, and easy identification, ideal for teaching about volcanoes.

This kit provides students with the opportunity to make firsthand observations of mechanical weathering, chemical weathering, erosion, and deposition.

Can a Criminal Get Away with Murder if He Cleans Up the Blood?

New and improved balloon design and activities!

Ideal learning tool for introductory geology classes.

Students gain a better understanding of the structure of matter.

Useful for teaching AP Biology units on Molecular Genetics.

Full Class Exploration of Ecosystems

Make sure you don't pop your bag!

Following a step-by-step procedure, students mark, label, and rotate the Earth to illustrate and answer questions on solar intensity, rotation, and revolution, and angles of radiation.

Apparatus Shows Effect of Heated Water on Other Materials

Investigate how distance, force, and interference impact the way magnets work.

Using basic building materials, students design and build a three-story, earthquake resistance structure.