Why do trees have rings? Video

In this informative video, the question "Why do trees have rings?" is explored in detail. The presenter delves into the fascinating topic of tree ring dating, highlighting its significance in determining artifact ages. Additionally, the video touches upon tree species that lack rings and enlightens viewers on methods for determining the relative age of trees.

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Lightning: Learn Lightning Safety from an interview with a cloud Video

This is a short comical video about an interview with a cloud.  He describes how easy it is to hit humans as they try to escape lightning bolts.  The cool thing is, that by the time your students are done watching this video about lightning, they will understand a little bit better about the dangers and how to stay safe during a thunderstorm.  This video should be a conversation starter about dangerous weather.

Earth Science Demonstration: Chocolate Plate Tectonics

Here is a plate tectonic demonstration/lab idea for all grade levels.  You can easily use this video when teaching about earthquakes and plate movements.  All you will need is a hot plate, pan, some milk and chocolate powder.  Place the pan on the hot plate, pour in some milk, pour a thick layer of chocolate powder on top of the milk until the milk is covered.  Turn on the hot plate and then wait a few minutes up to about 5 and you should start to see the "crust" break apart and "magma" rise to the surface.  Extension in your conversation can be: