CK-12 Foundation
Ck 12: Physical Science: Conservation of Mass in Chemical Reactions
[Free Registration/Login may be required to access all resource tools.] Explains Law of conservation of mass and why chemical equations must be balanced.
TED Talks
Ted: Ted Ed: The Law of Conservation of Mass
Everything in our universe has mass- from the smallest atom to the largest star. But the amount of mass has remained constant throughout existence even during the birth and death of stars, planets and you. How can the universe grow while...
CK-12 Foundation
Ck 12: Chemistry: Conservation of Mass
[Free Registration/Login may be required to access all resource tools.] Describes the law of conservation of mass.
Better Lesson
Better Lesson: Changing Matter:changing Matter: Is Weight the Same or Different?
Students conduct a hands-on investigation to determine how matter, changing state, effects the property of weight. Students will collect data and graph their results. Resources include step by step instructions, a data worksheet, videos...
Sophia Learning
Sophia: Atomic Mass: Lesson 4
This lesson explains what is represented by the atomic mass, and how it varies from one element to the next. Module includes a slideshow and a quiz.
American Chemical Society
Middle School Chemistry: Lesson Plans: What Is a Chemical Reaction?
After observing a demonstration of a chemical reaction between a burning candle and the oxygen in the air, students use atom model cut-outs to model the reaction and see that all the atoms in the reactants show up in the products.
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...
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Balancing Chemical Equations
An interactive simulation with weights and scales that teaches about balancing chemical equations and conservation of mass. This simulation can either be downloaded or played online and includes handouts, lesson plans, and additional...
The Wonder of Science
The Wonder of Science: 5 Ps1 2: Conservation of Matter
On this site, find a variety of materials to help students understand the conservation of matter. Create lessons that allow students to measure and graph quantities that could show even if matter is heated, cooled or combined with other...
TeachEngineering
Teach Engineering: Move It!
Mechanical energy is the most easily understood form of energy for learners. When there is mechanical energy involved, something moves. Mechanical energy is a very important concept to understand. Engineers need to know what happens when...
Physics Classroom
The Physics Classroom: Momentum and Its Conservation: Real World Applications
In this interactive physics tutorial, students examine some real-world applications of the impulse-momentum change theorem, more specifically, some physics in action in the real world.
Physics Classroom
The Physics Classroom: Momentum and Its Conservation: Momentum
Through examples and interactive practice problems, students explore the momentum equation.
TeachEngineering
Teach Engineering: Watershed Balance
This lesson teaches the concept of a watershed and why it is important in the context of engineering hydrology. Learners learn about runoff and how we visualize runoff in the form of hydrographs.
TeachEngineering
Teach Engineering: Ring Around the Rosie
Students learn the concept of angular momentum and its correlation to mass, velocity and radius. They experiment with rotation and an object's mass distribution. In an associated literacy activity, students use basic methods of...
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Momentum Conserved
This site by the Illinois Institute of Technology gives a Lab activity in which young scholars use a variety of toys to discover Newton's second law and momentum conservation. Newton's cradle, skate boards, and a toy motorcycle are...
Chem Tutor
Chem Tutor: Chemistry: Reactions
This lesson focuses on chemical reactions including what they are and an explanation of each part of a chemical equation.
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Pendulum Lab
An interactive simulation that teaches about periodic motion, simple harmonic motion, and conservation of energy. Observe one or two pendulums to determine how the swing is influenced by the length of the string, the mass of the pendulum...
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Momentum
Lesson plan to be used for grades 3-5. Does require a Jensen Bar, dynamic carts, firecrackers, and pop cans. Change the masses of the carts to compare and contrast momentum.