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A Simple Experiment to Find the Percentage of Oxygen in the Air
By Leonard Bega and Keith Gale Curriculum Connection: SCH3U This lab determines the percentage by volume of oxygen in the air. We do this by allowing the oxygen in the air to rust iron contained in an iron wool. This causes the volume of the air to decrease as oxygen...
Eating Nails for Breakfast – A Sick Science Experiment by Steve Spangler
>>> Written by Steve Spangler. Use a magnet to prove that there really is iron in your breakfast cereal. The next time you're eating a big bowl of breakfast cereal, take a closer look at the ingredients. You'll find that your cereal contains more than just...
SciNews June 15
Germs in blood products, Philae calls home from its comet, lab limbs, molecules - ultra-chilled and why pool water turns hair green. What else could you possibly want to know. These cool facts and more in this issue of SciNews. SciNews is published every Monday and...
The Ball Bearing Bounce
This material has been provided by Al Orlando. Curriculum Connection: SPH 3U (Physics, 11U) — Kinematics This was an exciting activity to undertake as the students did the calculations first, then we headed down to the cafeteria to try the equipment out and see if...
Ping-Pong Movers Inc.
Contributed by: Gordon Webb Big Ideas Movement is a change in position of an object Curriculum Connection: Grade 2: Structures and Mechanisms Inquiry Skills Used The students will explore various ways to make ping-pong balls move. Safety Considerations Provide...
Dow Lab Safety Modules
The Dow Chemical Company provides an excellent comprehensive series of lab safety modules outlined in the screenshot above. A significant portion of the content covers safety concerns in post secondary institutions, However, this resource still provides plenty of...
Paper beats plastic? How to rethink environmental folklore – TEd Talk
Most of us want to do the right thing when it comes to the environment. But things aren’t as simple as opting for the paper bag, says sustainability strategist Leyla Acaroglu. A bold call for us to let go of tightly-held green myths and think bigger in order to create...
28 Fun Facts about Engineering, Science and Technology
220 million tons of old computers and other technological hardware are trashed in the United States each year. A diamond will not dissolve in acid. The only thing that can destroy it is intense heat. According to Moore's Law, microchips double in power every 18 to 24...
SciNews June 8, 2015
Pain-free genes, artificial hearts, why women live longer than men, and the fat- BPA connection. This eclectic collection of current science news stories is brought to you by STAOBlog. SciNews is published every Monday. Stay tuned for more. Biology Altered gene...
SciNews June 1
Being eaten alive, gluten intolerance myth, why wet dogs smell and super spidy silk. This eclectic collection of current science news stories is brought to you by STAOBlog. SciNews is published every Monday and Thursday. Stay tuned for more. Biology Canadian...
Endothermic Reactions Demo
Overview A room-temperature white solid in a bag is exposed to water. Upon mixing, the material in the bag becomes cold to the touch. The reaction occurring in the bag is absorbing heat from the environment, causing the area around the reaction to become cold....
The evolution of the human eye – TED Ed
https://www.youtube.com/watch?v=qrKZBh8BL_U The evolution of the human eye - Joshua Harvey The human eye is an amazing mechanism, able to detect anywhere from a few photons to a few quadrillion, or switch focus from the screen in front of you to the distant horizon in...