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Chemistry
The Best Periodic Tables
Some of the most interesting periodic tables on the Internet are brought together in this collection. If you are studying chemistry, this is not to be missed.
Jul 17, 2012, 17:39 PST
Chemistry
The Periodic Table of Printmaking
The Periodic Table Printmaking Project unusual printmaking project has created a periodic table that merges both art and chemistry.
This receives our Networthy Award for excellence.
Jul 14, 2012, 23:00 PST
Chemistry
Periodic Table of the Elements (with atomic mass)
This great periodic table is ready to use here on ClassBrain. For each element it includes the atomic number and atomic mass easily visible, then if you click on the element, you'll find everything else you need for your Chemitry assignments.
Jul 12, 2012, 05:23 PST
Chemistry
A Simple Interactive Periodic Table
If you need a simple interactive periodic table, this one will be perfect. You'll find out the element's Name, Number, Weight, Melting Point, and Boiling Point.
Jul 6, 2012, 20:29 PST
Chemistry
Advanced Interactive Periodic Table
Download this excellent periodic table from Los Alamos National Laboratory. It will take awhile to download if you're on a dial-up (2.8 mb), but if you're studying chemistry it's a great tool to have!
PDF format - Adobe Acrobat required [ Download/View File ]
Jul 6, 2012, 09:16 PST
Biology
Corrosive Oceans
Increasing levels of carbon in the ocean are making the water more acidic, and that’s beginning to have an impact on shellfish, corals and some of the tiniest shell-making marine organisms that are essential to the ocean food web.
May 24, 2012, 03:12 PST
Biology
The Worm Atlas
If you are studying worms, then you absolutely need this reference material. It has everything you need to know about worms including excellent illustrations and photographs of their anatomy.
Nov 6, 2011, 04:07 PST
Assorted Sciences
Fashioning Apollo - The Spacesuit
Fashioning Apollo is a look at the design and construction of the Apollo spacesuits through a conversation with Nicholas de Monchaux, author of Spacesuit: Fashioning Apollo.
Sep 25, 2011, 04:14 PST
Biology
Interactive Anatomy
The study of anatomy has become more interesting with the help of interactive study programs. Some of the modules cover the entire body and others specialize in specific areas of the body such as the ear or the hand.
Aug 27, 2011, 19:34 PST
Ecology
Climate Time Machine
The following demonstration shows the effects of global warming over time.
May 24, 2011, 05:35 PST
Astronomy
Wake-up Show for Astronomy Lovers
Venus, Mercury, Mars, and Pluto will be performing a beautiful dance in the sky, changing relative positions and forming geometric patterns during the month of May, 2011.
May 10, 2011, 00:49 PST
Astronomy
Water and More on the Moon!
Nearly a year after announcing the discovery of water molecules on the moon, scientists have revealed new data uncovered by NASA's Lunar CRater Observation and Sensing Satellite, or LCROSS, and Lunar Reconnaissance Orbiter, or LRO—and it's more than just water.
Oct 21, 2010, 16:24 PST
Biology
Cool Anatomy Tool!
This tutorial was designed for use by college students studying cat anatomy.
Sep 9, 2010, 13:55 PST
Astronomy
Sunset Planet Alert
The solar system's innermost planets are about to put on a beautiful show for sunset sky watchers. Mercury is emerging from the glare of the sun and making a beeline for Venus. By week's end, the two planets will be just 3o apart, an eye-catching pair in the deep-blue twilight of sunset.
Apr 1, 2010, 08:47 PST
Chemistry
Thanksgiving and Chemistry - What's the Connection?
In this video lesson learn how Chemistry is related to Thanksgiving.... It will answer: • How does the pop-up timer in a turkey work?
• Why do muffins rise, even when made without yeast?
• Which antacids neutralize the most stomach acid?
Mar 16, 2010, 20:18 PST
Chemistry
Festive Holiday Chem Lab
In this "Festive Holiday Chemistry Lab" you can learn how to make bouncing snowballs.
Mar 16, 2010, 20:12 PST
Biology
Taking sharper aim at pesky stomach ulcer bacteria
What’s inside of one-sixth of the world’s population and is a thousand times smaller than the head of a pin? It’s Helicobacter pylori, the pesky bacterium behind ulcers and other unpleasant stomach diseases.
Mar 16, 2010, 19:56 PST
Assorted Sciences
Tsunami Trivia
Download this trivia quiz on tsunamis and see how well you know the ocean.
Feb 27, 2010, 17:45 PST
Assorted Sciences
Tsunami Warning - A Student Book
Read Tsunami Warning, a web book for students on Tsunamis and disaster planning.
Feb 27, 2010, 17:19 PST
Chemistry
Cars that Run On Water?
Can cars run efficiently on electrolysis, or is a water fueled car a scam?
Jul 19, 2009, 10:23 PST
Ecology
Global Warming- Sunspots or Man?
Some skeptics of human-induced climate change blame global warming on natural variations in the sun’s output due to sunspots and/or solar wind.
Jun 21, 2009, 23:23 PST
Biology
The Phantom Torso Returns
Matroshka is an armless, legless, human-shaped torso, a mannequin that looks like he's wrapped in a mummy's bandages. Looking like an escapee from a contemporary art show, this mannequin is actually an intrepid space traveler, who just spent four months on the International Space Station, helping scientists to learn about space radiation.
May 27, 2009, 13:26 PST
Biology
Student Study Help in Genetics
A collaborative study area for teachers and students interested in genetics and biology.
May 22, 2009, 09:19 PST
Astronomy
NASA Hunts for Remains of an Ancient Planet near Earth
NASA's twin STEREO probes are entering a mysterious region of space to look for remains of an ancient planet which once orbited the Sun not far from Earth. If they find anything, it could solve a major puzzle--the origin of the Moon.
Apr 9, 2009, 15:19 PST
Ecology
Sun-Protective Clothing
* Is there really such a thing as “sun-protective clothing?” If so, does it mean I can dispense with oily sunscreens once and for all?
Apr 9, 2009, 14:33 PST
Biology
Elephant Populations
A look at the stability of the elephant population in the world today.
Apr 5, 2009, 14:22 PST
Ecology
Global Warming - Truth or Fiction?
I keep meeting people who say that human-induced global warming is only theory, that just as many scientists doubt it as believe it. Can you settle the score?
Apr 5, 2009, 13:56 PST
Ecology
Urban Wind Turbines
A fan of Buckminster Fuller, Professor Bill Becker decided there must be a better way to design wind turbines; one that would allow them to be used in urban environments where the wind is erratic and dangerous.
Mar 23, 2009, 16:53 PST
Astronomy
Mountain on Mars May Hide Water
Using a computer modeling system to figure out how Olympus Mons came to be, McGovern and Morgan reached the surprising conclusion that pockets of ancient water may still be trapped under the mountain. Their research is published in February's issue of the journal Geology.
Mar 19, 2009, 23:45 PST
Biology
Are Polar Bears Endangered?
Some say that polar bears are going to disappear in 50 years, but Alaskan officials insist their populations are recovering. What’s the real story?
Mar 15, 2009, 18:01 PST
Biology
What Does Baby Formula & Algae & NASA Have In Common?
A look at an algae based food supplement that was developed for the NASA space program as a food supplement, and is currently used in baby formula.
Mar 12, 2009, 13:45 PST
Astronomy
New Kind of Pulsar
About three times a second, a 10,000-year-old stellar corpse sweeps a beam of gamma-rays toward Earth. Just discovered by NASA's Fermi Gamma-ray Space Telescope, the object, called a pulsar, is the first one known that "blinks" in pure gamma rays.
Oct 17, 2008, 19:48 PST
Ecology
Alternative fuels may drain dwindling water supplies
As the search for new fuels intensifies, researchers in Texas report that switching to certain alternative fuels to power cars, trucks, and SUVs may require the use of much more water than conventional petroleum-based gasoline and diesel.
Oct 15, 2008, 12:50 PST
Chemistry
The “e-Nose”: Scientists try to develop an electronic sniffer
For almost 25 years, chemists and other scientists have tried to build a machine that can take a whiff of the air, food or other objects and say whether the odor is nasty or nice, the e-Nose.
Sep 3, 2008, 12:22 PST
Ecology
Can Compact Flourescent Bulbs Cause Headaches?
Can those energy-efficient compact fluorescent light bulbs that are popular now cause headaches because of the flickering they do? I converted my whole house over last fall and both my kids were complaining of headaches on and off.
Aug 14, 2008, 20:38 PST
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