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.
TeachEngineering
Teach Engineering: Density & Miscibility
After students conduct the two associated activities, Density Column Lab - Parts 1 and 2, present this lesson plan to provide them with an understanding of why the density column's oil, water and syrup layers do not mix and how the...
TeachEngineering
Teach Engineering: Surfactants: Helping Molecules Get Along
Students learn about the basics of molecules and how they interact with each other. They learn about the idea of polar and non-polar molecules and how they act with other fluids and surfaces. Students acquire a conceptual understanding...
American Chemical Society
Middle School Chemistry: Molecules in Motion
Students observe, on a molecular level, how heating and cooling affect molecular motion.
American Chemical Society
Middle School Chemistry: Lesson Plans: Why Does Water Dissolve Sugar?
Lesson plan in which students design an experiment to determine if different types of liquids affect the amount of dissolution of an M&M candy shell.
National Institute of Educational Technologies and Teacher Training (Spain)
Ministerio De Educacion: La Hidrosfera Terreste
In this site learn about the origin of water on Earth, water in other planets, the molecule of water, the sea water solution, the water on the continents and water and health. It contains many illustrations and 14 interactive activities.
TeachEngineering
Teach Engineering: Capillarity Measuring Surface Tension
Young scholars are presented with a short lesson on the difference between cohesive forces (the forces that hold water molecules together and create surface tension) and adhesive forces (the forces that causes water to "stick" to solid...
University of South Florida
Fcat: Drops on a Penny: Teacher Notes
Students learn how to create stem-and-leaf diagrams and boxplots by collecting data on the surface tension of water molecules. This hands-on activity using pennies is a great way to learn how to organize data.
American Chemical Society
Middle School Chemistry: Lesson Plans: Temperature Changes in Dissolving
Media-rich lesson in which learners discover that it takes energy to break bonds, and that energy is released when bonds are formed during the process of dissolving. They also determine whether dissolving is either exothermic or...
Science Education Resource Center at Carleton College
Serc: Building a Protein
This hands-on activity is an assessment of the students understanding of peptide and disulfide bonds formed during protein synthesis, and the structure of an amino acid (R-group plus the common structure that all amino acids share)....
Science Education Resource Center at Carleton College
Serc: Investigating Precipitation: Snow
In this chemistry field/class based activity, students investigate snow and, more specifically, why snowflakes have six sides. Students will individually fossilize a snowflake and observe similarities and differences with other members...
Science Education Resource Center at Carleton College
Serc: Exploring Molecular Movement: Does Temperature Matter?
In this interactive demonstration, young scholars observe what happens to food coloring when dropped into beakers containing different temperatures of water.
Science Education Resource Center at Carleton College
Serc: Floating Metal Pins Discrepant Event/guided Inquiry on Surface Tension
Through a combination of an interactive demonstration and guided inquiry, students learn the basic nature of surface tension in liquids.
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Surface Tension
This is a laboratory exercise which demonstrates the surface tension of water.
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.
Utah STEM Foundation
Utah Stem Action Center: Salt Dissolved in Great Salt Lake
In this lesson, students will compare water from a fresh lake to water from the Great Salt Lake to begin to build a conceptual model for how salt dissolves in water. The lesson focuses on students using and developing models of molecules...
Science Education Resource Center at Carleton College
Serc: Rainbow Milk
This activity is designed for students to learn that primary colors mixed together make secondary colors. They will also experiment with how fat and soap molecules repel each other in water.
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