geology
![Learner looking at plushie model of the Moon](https://www.nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/2020-10/ExSci_Space_20200908_0183%20Moonquake.jpg?h=3d346970&itok=oHH7B7mW)
Exploring the Solar System: Moonquakes
In this activity, learners make a quake by shaking spring toys and standing at various distances to discover how distance can change the impact of a quake.
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![Learner investigates the crater made in the sand after dropping a weight into the sand box](https://www.nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/exsci_space_craters_activity.png?h=9e6c9da4&itok=RpZIqLlV)
Exploring the Solar System: Craters
In this activity, learners drop objects of various sizes and shapes into a tub full of sand and other materials, to simulate the formation of a meteorite crater.
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![Blue logo for online workshop recordings](https://www.nisenet.org/sites/default/files/styles/curated_list_large/public/2020-12/online-workshop-recordings-logo.jpg?itok=9FGQyoMy)
Online Workshop Recording: The Science Behind the Earth and Space Toolkit: Astrobiology - Searching for Life
Online professional development workshop recording (2017).
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![two learners and a facilitator examine three ice orbs](https://www.nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/images/catalog/ExSci_Space_Promo_20160717_1136-XL.jpg?h=69f2b9d0&itok=dAweqpib)
Exploring the Universe: Ice Orbs
In this activity, learners investigate a sphere of ice and objects hidden inside as a model for icy worlds in our solar system.
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