Texas Education Agency
Texas Gateway: Conservation of Mass: It's the Law!
A simple tutorial that includes interactive activities and videos to introduce the law of conservation of mass.
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Masses & Springs
An interactive simulation that teaches about springs, Hooke's Law, and conservation of energy observing changes in kinetic, potential, and thermal energy by adjusting the stiffness and damping of springs holding various masses. This...
Science Education Resource Center at Carleton College
Serc: Lab: Conservation of Mass
This lab experiment shows students that mass is not gained or lost during a chemical reaction. Lab also includes a set of lab questions that requires students to balance the chemical equation for the reaction that occurs in this lab.
Utah Education Network
Uen: Physical Changes
Second graders explore the concept of law of conservation of mass.
CK-12 Foundation
Ck 12: Atomic Theory
[Free Registration/Login may be required to access all resource tools.] In this online tutorial students will explain the law of conservation of mass, the law of definite proportions, and the law of multiple proportions. They will also...
CK-12 Foundation
Ck 12: Chemical Equations
[Free Registration/Login may be required to access all resource tools.] In the following online tutorial students will describe chemical reactions using word equations and know the correct symbols to use in order to write skeleton...
Texas Education Agency
Texas Gateway: Matter and Energy: Chemical Equations
Explore balanced chemical equations in this tutorial. Tutorial includes videos, interactive activities, and practice to help students understand balanced chemical equations and the Law of Conservation of Mass.
Wikimedia
Wikipedia: Conservation of Mass
This site from Wilkopedia defines the law of conservation of mass. Included are links to related topics and terms used in the definition.
CK-12 Foundation
Ck 12: Evolution of the Atomic Model
[Free Registration/Login may be required to access all resource tools.] Students take a closer look at how our understanding of the atom has evolved over time.
Khan Academy
Khan Academy: Dalton's Atomic Theory
An article describing Dalton's atomic theory. Learn how this theory was the first attempt to describe a fundamental part of matter, atoms. Article also discusses where the theory is incorrect based on the knowledge we have today.
BBC
Bbc: Gcse Bitesize: Calculations for All Students
Law of conservation of mass: No atoms are created or destroyed in a chemical reaction. They just join together in a different way than they were before the reaction, and form products. This means that the total mass of the products in a...
NASA
Glenn Research Center: Conservation of Energy
From the Glenn Research Center at NASA, read about the law of conservation of energy. Included are formulas and many links to key terms.
Texas Education Agency
Texas Gateway: Conservation of Mass It's the Law!
This resource includes videos, interactives, and additional resources to help students understand the law of conservation of mass and how to balance chemical equations.
CK-12 Foundation
Ck 12: Chemical Equations
[Free Registration/Login may be required to access all resource tools.] Students explore mass relations between reactants and products for a given chemical process, and practice balancing chemical equations.
Khan Academy
Khan Academy: Dalton's Atomic Theory
Resource investigates the beliefs of Dalton's atomic theory which consists of four parts. Which points do we still use today, and what have we learned since Dalton?
Georgia Department of Education
Ga Virtual Learning: Chemistry: Chemical Formulas and Equations
In this interactive module, students are introduced to the most fundamental part of chemistry: chemical reactions and the formulas that accompany them.
Georgia Department of Education
Ga Virtual Learning: Chemistry: Stoichiometry
Through informational text, interactive practice problems, video clips, and real-world application, students are introduced to the science of Stoichiometry.
CPALMS
Florida State University Cpalms: Florida Students: Conservation of Mass and Energy in Living Systems
Learn about the conservation of mass and energy as it applies to different living systems.
Science Education Resource Center at Carleton College
Serc: Conservation of Mass Gum Lab
Students investigate whether or not chewing gum should be considered eating using the law of conservation of mass to reason that the portion lost of the original mass of gum must be swallowed.
CPALMS
Florida State University Cpalms: Florida Students: Conservation of Mass Tutorial
Learn how mass is conserved in physical and chemical changes.
Other
Homewood City Schools: Classification of Matter
This Homewood City Schools site has an outline form and contains lots of information about the classification and composition of matter. Some of the topics covered are matter and temperature, changes in state, composition of matter, and...
CK-12 Foundation
Ck 12: Fifth Grade: Physical Science: Physical and Chemical Changes in Matter
[Free Registration/Login may be required to access all resource tools.] Provides the definitions of physical and chemical changes in matter and gives examples. The law of conservation of mass is also described.
CK-12 Foundation
Ck 12: Heat
[Free Registration/Login may be required to access all resource tools.] Using the law of conservation of energy as a starting off point, students use the specific heat equation to perform calculations that relate mass, specific heat,...
Wikimedia
Wikipedia: Materia
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.