The Perseid meteor shower, which can produce upwards of 100 meteors per hour in a dark-sky location, is happening now. Here’s what you need to know.
Source: Eyes to the sky for one of the best meteor showers of the year, the Perseids | CBC News
The Perseid meteor shower, which can produce upwards of 100 meteors per hour in a dark-sky location, is happening now. Here’s what you need to know.
Source: Eyes to the sky for one of the best meteor showers of the year, the Perseids | CBC News
Categories: Gr 9-10 Science
Introduction Since the distances to the stars cannot be measured directly, astronomers use a variety of techniques including triangulation and parallax, comparison of absolute and apparent magnitude,... read more
Categories: Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Biology, Gr. 11-12 Chemistry, Safety
Introduction No matter what precautions are taken, sooner or later an accidental chemical spill is likely to occur in your laboratory. A responsible science teacher will take steps to prevent spills,... read more
Categories: Gr 1-3 Science & Tech, Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Physics
https://youtu.be/E0Li1k5hGBE Armed with the most sophisticated vision and fastest strike of any predator on Earth, the mantis shrimp is an unsuspecting threat. 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.