CK-12 Foundation
Ck 12: Chemistry Simulation: Air Matters
[Free Registration/Login Required] Explore the composition of air and learn about the different atoms and molecules that we breathe every day.
Museum of Science
The Atom's Family: Phases of Matter
Help the Phantom choose a material and observe the changes at different temperatures in the molecule chamber. What happens to the elements or molecules as the temperature changes?
ClassFlow
Class Flow: What Is Matter?
[Free Registration/Login Required] Discover the composition of matter and the relationship between matter, atoms, and elements. Students will learn the differences between elements and compounds, and how molecules are formed. Chemical...
Science Education Resource Center at Carleton College
Serc: Mn Step: States of Matter: Which Will Propel the Balloon?
For this activity, students take part in a simulation of the three states of matter where they role play being molecules. They then create simple balloon rockets and must explain why a gas is the only state of matter that can cause the...
TeachEngineering
Teach Engineering: Mixtures and Solutions
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...
American Chemical Society
Middle School Chemistry: Changing State: Evaporation
Students build a model of a water molecule and design an experiment to see if adding energy affects the rate of evaporation.
Science Education Resource Center at Carleton College
Serc: Exploring Molecular Movement: Does Temperature Matter?
In this interactive demonstration, students observe what happens to food coloring when dropped into beakers containing different temperatures of water.
American Chemical Society
Middle School Chemistry: Changing State: Freezing
Students investigate how low temperature causes water vapor to condense into a liquid and then freeze to form a solid.
American Chemical Society
Middle School Chemistry: Changing State: Melting
Discover the concept that energy transfer and molecular motion cause the change in state from a solid to a liquid. Also compare state changes of water to the state changes of other substances.
Sophia Learning
Sophia: Kinetic Energy and States of Matter: Lesson 1
This lesson will compare the relative kinetic energy possessed by molecules in different states. It is 1 of 2 in the series titled "Kinetic Energy and States of Matter."
New York University
Nyu: Math Mol: Motion of Molecules
Examine the link between molecular motion and energy. Observe the movement of a molecule at room temperature. Learn about the different types of molecular motion.
Ministerio de Educación (Spain)
Ministerio De Educacion: Viaje Al Interior De La Materia
These interactive materials will help you to understand how matter is made up and will help you expand your knowledge on matter. You will find an evaluation at the end.
University Corporation for Atmospheric Research
Ucar: Just a Phase: Water as a Solid, Liquid, and Gas
This site helps students construct a model of the arrangement of water molecules when present as solid, liquid or gas. Includes background information, lesson plans, links to standards and assessment ideas.
Science Education Resource Center at Carleton College
Serc: Plastic Polymers: Investigating Their Flexibility
Learners will use their prior knowledge about changes of matter to develop a hypothesis to test the physical properties of materials such as plastic (polymers) and how its chemical properties allow it to have unique physical properties.
ClassFlow
Class Flow: Compounds and Molecules
[Free Registration/Login Required] This flipchart introduces fifth graders to compounds and molecules. It is part of a large unit on matter. Key concepts include compounds, molecules, and chemical formulas. Opportunities for student...
ClassFlow
Class Flow: Comparing and Contrasting Matter
[Free Registration/Login Required] This flipchart is a guided activity to help students compare different types of matter: atoms and molecules, elements and compounds, mixtures and solutions. It corresponds to Virginia science SOL 5.4.
CK-12 Foundation
Ck 12: Plix: Structure of Water: Phases of Matter
[Free Registration/Login Required] Explore this interactive by dragging the red dots to match each physical state of water with the correct picture of its molecules.
Science Education Resource Center at Carleton College
Serc: Exploring Molecular Movement: Does Temperature Matter?
In this interactive demonstration, students observe what happens to food coloring when dropped into beakers containing different temperatures of water.
American Chemical Society
Middle School Chemistry: Air: It's Really There
Investigation shows that gas takes up space and has mass, and that the motion of gas molecules is affected by heating and cooling.
Science Education Resource Center at Carleton College
Serc: Is All Ice Created Equal? A Density Lab
A lab experiment that shows students that different molecules melt in different ways. This lab also allows students to practice calculating and finding density, mass, and volume. Lesson plan includes lab handout for students.
American Chemical Society
Middle School Chemistry: What Is Density?
Calculate the density of cubes made of different materials to determine what type of material it contains. Using this information explain that the size, mass, and arrangement of the atoms or molecules of a substance determines its density.
American Chemical Society
Middle School Chemistry: Chapter 1: Solids, Liquids, and Gases
Five exemplary chemistry lessons about the three states of matter complete with handouts and animations.
Texas Education Agency
Texas Gateway: Water
Given scenarios, descriptions, or illustrations, the student will determine the properties of water that affect chemical and biological systems.
Science Education Resource Center at Carleton College
Serc: Marshmallow Models
This chemistry lesson will test students' understanding of VESPR structures. They will use marshmallows and redhots to investigate molecules, acids, and polyatomic ions.