Storms-What am I?
In this storms worksheet, students use clues about floods, hurricanes, tornadoes and winds to complete a puzzle and find the answer to a riddle.
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What Happened To This Car?
On June 7, 1692, at 11:43 am, the Jamaican city of Port Royal sank into the harbor, killing more than 2,000 people. The video explains this disaster and others that were caused by liquefaction, describes the conditions required, and...
2 mins 6th - 12th Science CCSS: Adaptable
Chemistry Lesson: Significant Digits and Rounding
Here's a riddle for you: You cannot see me, but I can change your answer. What am I? The first insignificant digit when rounding. This brief video provides a great explanation and guided example problems for practicing combining rounding...
6 mins 9th - 12th Science