Unit Plan
Texas Education Agency

Texas Gateway: Temperature, Kinetic Theory, and the Gas Laws: Phase Changes

For Students 11th - 12th
By the end of this section, you will be able to interpret a phase diagram; state Dalton's law; identify and describe the triple point of a gas from its phase diagram; and describe the state of equilibrium between a liquid and a gas, a...
Article
Khan Academy

Khan Academy: Biology: Specific Heat, Heat of Vaporization, and Density of Water

For Students 9th - 10th
Why does ice float? In this article answer that question by learning about the topics of Specific heat capacity, evaporative cooling, and heat of vaporization of water.
Unit Plan
Vision Learning

Vision Learning: States of Matter

For Students 9th - 10th
Did you know the ancient Greeks first identified the three states of matter? Read about how the molecules differ in solids, liquids, gases, and plasma. View photographs and watch how the molecules move in each state. If you're really...
Handout
Simon Fraser University

Chem1 Virtual Textbook: Densities of Substances and Materials

For Students 9th - 10th
As part of a larger site called "Getting started in Chemistry," this site examines various topics related to the densities of substances and materials. Included in the study are properties of solids, liquids and gases, and how density is...
Website
Texas Education Agency

Texas Gateway: Phase Changes

For Students 10th - 12th
Learn how to interpret a phase diagram, explain Dalton's Law, and describe the state of equilibrium between a liquid and a gas, a liquid and a solid, and a gas and a solid. This resource contains in-depth explanations and multiple...
Activity
Museum of Science

The Atom's Family: Mighty Molecules

For Students 9th - 10th
In this activity, students construct models of molecules using marshmallows and gum drops.

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