National Institute of Open Schooling
The Liquid State
Due to surface tension, dew — a liquid, is spherical in shape. Learners explore the properties of liquids in activity seven in this series of 36. Beginning with its basic properties such as boiling point and moving through to surface...
Center for Learning in Action
Water—Changing States (Part 1)
Here is part one of a two-part lesson in which scholars investigate the changing states of water—liquid, solid, and gas. With grand conversation and up to three demonstrations, learners make predictions about what they think will happen...
Charleston School District
Contextualizing Function Qualities
Let the graph tell the story! Adding context to graphs allows learners to analyze the key features of the function. They make conclusions about the situation based on the areas the graph is increasing, decreasing, or has a maximum...
Jefferson Lab
The Periodic Table of Elements
A study of the periodic table of elements doesn't have to be elementary! Deepen understanding of the building blocks of chemistry with an interactive periodic table. At first sight, the table looks like a standard reference page, but a...
Merck KGaA (Darmstadt, Germany)
EMD PTE
You can't tell by the title, but this is a functional periodic table of elements. Incorporating bright colors, lucid text, and easily operated features, this application serves as a valuable reference tool for your chemistry class.
National Institute of Open Schooling
Solutions
Aqua regia, or royal water in Latin, is a solvent that can dissolve solid gold and platinum into a solution. Activity nine in a series of 36 allows classes to learn, through readings and answering questions, what a solution is and the...
AAA
Oil, Fuel, Coolant & Fluids
Although designed for vocational and auto shop classes, this image of a pamphlet contains everything anyone would need to know about automobile engine the fluids, how to check them, and when to replace them.
Encyclopedia of Earth
Encyclopedia of Earth: Physics & Chemistry: Boiling Point
A scientific explanation of what a boiling point is, the factors that can alter a liquid's boiling point, changes of state that occur at the boiling point, and how the normal boiling point relates to a liquid's vapor pressure. (Updated:...
Purdue University
Purdue University: Boiling Point Elevation
A good explanation of boiling point elevation.
Clackamas Community College
Clackamas Community College: Boiling Point Elevation
Explanation of boiling point elevation, and discussion of its application to real situations.
Other
Boiling and Freezing Point
This site provides an explanation behind why the boiling and freezing points for the Celsius, Kelvin, and Fahrenheit scales were chosen.
Purdue University
Purdue University: Boiling Point Elevation
Discussion of boiling point elevation, with emphasis on solving problems.
Ducksters
Ducksters: Kids Science: Melting and Boiling
Kid's learn about the science of melting and boiling. How matter changes state from solids to liquids to gases.
Science Struck
Science Struck: Aluminum Melting Point
Read about the unique properties of aluminum, what its melting and boiling points are, its uses, and some facts about it.
Wikimedia
Wikipedia: Melting Point
Wikipedia offers a brief description of the term, "Melting point," including hyperlinked terms.
Wikimedia
Wikipedia: Boiling Point
An encyclopedia article on boiling point explains what it is, what is needed for a substance to reach a boiling point, and what latent heat of vaporization is.
University of Florida
Chem. 2041 Lecture Notes: The Forces Between Molecules
A discussion of the variety of forces which hold molecules together. The relative strengths of these forces for the various states of matter is discussed. The effect of such forces on the boiling points and other phase change...
Georgia State University
Georgia State University: Hyper Physics: Saturated Vapor Pressure
The meaning of vapor pressure is introduced. The distinction between evaporation and boiling is discussed and explained. The reason that liquids undergo vaporization is explained.
University of Waterloo (Canada)
The University of Waterloo: The Heating Curve
The heat of vaporization along with several other thermal properties are explained. Sample problems are given. Illustrations.
BBC
Bbc: 1989: Czech Police Crush Protest Rally
The people of Czechoslovakia reached a boiling point in 1989 with citizens clamoring for political economic, and social reforms. This article by the BBC portrays how demonstrations for such reforms ended with tragedy when the police...
Thomas Jefferson National Accelerator Facility
Jefferson Lab: It's Elemental: Sulfur
This online resource is for information on the 16th element of the Periodic Table--Sulfur--can be found here. The site lists scientific information such as atomic weight, atomic number, melting/boiling point, and more. There is also a...
Other
Chemical Reax/exothermic Reactions
A wonderfully complete primer on exothermic reactions in the context of chemical spills. Covers Reactions with Air or Water, Combustible Organics, Polymerization Reax, Decomposition, Corrosion, and much much more.
University of Oregon
University of Oregon: Temperature Scales
This site from the University of Oregon provides information on the three temperature scales in use today--Farenheit, Celsius, and Kelvin. Historical information is given on the discovery of the scales along with information on the...
Other
Chemical Elements: Potassium
A nice, clear site, containing a good deal of elemental information, including atomic weight, density, boiling point, isotopes and more. An image shows the electron energy levels for the element.
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