It’s often said that light is an electromagnetic wave, a disturbance in electric and magnetic fields, but what does that mean? How are they made? Let’s take a deeper look at electrodynamics and this history behind the discovery to see if we can find an answer.
Categories: Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry
In this demonstration, a peeled potato is cut into the form of a candle and an almond slice is used as the candle’s “wick.” The teacher lights the almond slice on fire and it burns. The... read more
Categories: Gr 9-10 Science, Gr. 11-12 Chemistry, Gr. 11-12 Physics
[embed]https://www.youtube.com/watch?v=dCXkaQa53QQ&feature=youtu.be[/embed] Making liquid nitrogen is hard - in fact up until 150 years ago scientists doubted whether it was even possible to... read more
Categories: All Science Teachers, Gr 4-6 Science & Tech, Gr 9-10 Science
What’s a total lunar eclipse? A total lunar eclipse can last from minutes to hours. It occurs when the Earth passes in between the sun and the moon, blocking out the sun’s... read more
Session expired
Please log in again. The login page will open in a new tab. After logging in you can close it and return to this page.