On Nov. 30, 2010, astronomers discovered asteroid 2010 WC9. However, it soon faded from view and was lost. But now it’s back, and it’s going to whiz past Earth Monday night.
Source: Lost asteroid to fly between moon and Earth tonight | CBC News
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Categories: Gr 9-10 Science, Gr. 11-12 Chemistry, Gr. 11-12 Physics, Safety
Question: The STAO Safe on Science document (2011) indicates that only class 1 and class 2 lasers are recommended for use in high school science classes. Many of the documents that I have examined... read more
Categories: Gr 9-10 Science, Gr. 11-12 Chemistry
https://youtu.be/l1ryVBryubw 1. 00:01 Hot Ice Experiment 2. 00:58 Explosive Soap Foam 3. 01:51 Traffic Lights 4. 03:07 Shape Memory Metal Alloys 5. 04:01 Red cabbage pH Indicator 6. 05:19... read more
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