[Free Registration/Login may be required to access all resource tools.] Freshly baked bread and cherry pie are two delicious parts of any meal. What happens to the ingredients that go into the bread and the pie as they are heated in the...

Concept animation compares molecular movement of solids, liquids, and gases.

In the States of Matter module, students further explore the concept that anything on earth that has mass and takes up space is matter. This exercise introduces students to solids, liquids and gases, the three most common states of...

Explore the concept of matter in this Spanish-language encyclopedia entry. This site features the properties of matter, the Law of Conservation of Matter, and other important features of matter.

This Study Card stack enables students to review the concepts of matter, the kinds and classes of mater including atoms, molecules, elements, compounds, pure substance, and mixtures.

[Free Registration/Login may be required to access all resource tools.] In the following online tutorial students will identify three methods for measuring the amount of matter in a sample. They will define the mole and its relationship...

A series of interactive applets use scientific models to teach some basic concepts of matter, including states of matter and physical and chemical changes.

This unit covers introductory concepts of mixtures and solutions. Students think about how mixtures and solutions, and atoms and molecules can influence new technologies developed by engineers. The first lesson explores the fundamentals...

Students learn about solids, liquids, and gases in this interactive slide show. Animated cartoon characters explain concepts having to do with properties of matter. A self-checking quiz follows the lesson.

[Free Registration/Login Required] This flipchart introduces fifth graders to the three states of matter. Concepts include the affect of temperature on matter and physical properties.

Learn to identify changes in matter and explain what happens as matter changes. The lesson is supplemented with several experiments to reinforce key concepts.

[Free Registration/Login may be required to access all resource tools.] A complete, web-based textbook covering a wide range of middle school concepts in Physical Science.

This investigation introduces the concepts of volume, mass, and density and how they interact. Students will make predictions of whether an object will float or sink after finding mass and volume of an object.

Students play games to learn new vocabulary and practice concepts, working to sort mixtures by materials and properties, compare mass, and identify types of materials. Throughout the module, students record their thoughts and findings on...

Investigate how astronomers detect movements of stars by studying the Doppler effect on the star's light spectrum. Construct a model that illustrates this concept underlying red shift.

Students experience firsthand one of the most common water treatment types in the industry today, flocculants. They learn how the amount of suspended solids in water is measured using the basic properties of matter and light. In...

Pop artists used consumer products, advertising, and popular culture icons as the major source for subject matter in their art. Between 1962 and 1967, Andy Warhol painted soup cans, both individually and in groups. 100 Cans is one of the...

Through 10 lessons and more than 20 hands-on activities, students are introduced to the concept of an environment and the many interactions within it. As they learn about natural and human-made environments, as well as renewable and...

Uncountable times every day "with the merest flick of a finger"each one of us calls on electricity to do our bidding. What would your life be like without electricity? Students begin learning about electricity with an introduction to the...

Through an overview of some of the environmental challenges facing the growing and evolving country of China today, students learn about the effects of indoor and outdoor air pollution that China is struggling to curb with the help of...

The physical property of malleability is explained. The importance of malleability to various physical processes is discussed. Examples of materials with high malleability are identified.

This lesson will describe the concepts of volume and mass and show how to calculate volume and mass.

This article gives an overview of Herbart's life and work in psychology, philosophy and education. Please note that ?The Catholic Encyclopedia? is a historic reference source and should be viewed in the context of resource material dated...

[Free Registration/Login may be required to access all resource tools.] A complete, web-based, multi-media textbook covering a wide variety of Chemistry concepts.