Astronomer/ Professor Dr. Kate Dellenbusch explains different ways to safely view a solar eclipse, the science behind why these methods work, and how to create a pinhole viewer.
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Science
Kindergarten, 1st Grade, 2nd Grade, 3rd Grade, 4th Grade, 5th Grade, 6th Grade, 7th Grade, 8th Grade
https://youtu.be/Bzljedb0kDATree identification is a popular hobby and one of the first steps in better understanding our forests. Part 1 of [...]
2nd Grade, 3rd Grade, 4th Grade, 5th Grade, 6th Grade
Much of what makes a tree is the basic structure and form. Single stems (trunks) and at least 30 feet in height, at maturity, often defines a “tree”.