Add different salts to water, then watch them dissolve and achieve a dynamic equilibrium with solid precipitate. Compare the number of ions in solution for highly soluble NaCl to other slightly soluble salts. Relate the charges on ions to the number of ions in the formula of a salt. Calculate Ksp values. Arabic Language.

Join NASA Astronaut, and geologist Dottie Metcalf-Lindenburger as she teaches you about plate tectonics using graham crackers and icing.

What do graham crackers and plate tectonics have in common? Find out with this hands on demo featuring NASA astronaut Drew Feustel.

Students will compare and contrast the different tectonic boundaries and use models to show tectonic boundaries

Find out how air holds its shape when put to the test in this episode of Smithsonian Science Starters with Hubble Astronaut Megan McArthur.

Did you know astronauts can see volcanoes erupting from space? Learn about this from NASA Astronaut Ricky Arnold and see a model volcano erupt.

Interpret properties of the landscape using topographic maps of well-known national parks. Direct link on ArcGIs. THE EARTH SCIENCE GEOINQUIRY COLLECTIONhttp://www.esri.com/geoinquiriesThe Earth Science GeoInquiry collection contains 15 free, web-mapping activities that correspond and extend map-based concepts in leading middle school Earth science textbooks. The activities use a standard inquiry-based instructional model, require only 15 minutes for a teacher to deliver, and are device agnostic.  The activities harmonize with the Next Generation Science Standards. Activity topics include:•                 Topographic maps•                 Remote sensing•                 Minerals / Mining•                 Rock Types•                 Landforms•                 Plate tectonics•                 Earthquakes•                 Volcanoes•                 Mountain building•                 Fresh water•                 Ocean features•                 Ground wind and temperature patterns•                 Weather•                 Storms•                 Climate change

Students learn about tsunamis, discovering what causes them and what makes them so dangerous. They learn that engineers design detection and warning equipment, as well as structures that that can survive the strong wave forces. In a hands-on activity, students use a table-top-sized tsunami generator to observe the formation and devastation of a tsunami. They see how a tsunami moves across the ocean and what happens when it reaches a coastline. They make villages of model houses to test how different material types are impacted by the huge waves.

Students learn about the causes, composition and types of volcanoes. They begin with an overview of the Earth's interior and how volcanoes form. Once students know about how a volcano functions, they learn how engineers predict eruptions. In a class demonstration, students watch and measure a mock volcanic eruption and observe the phases of an eruption, seeing how a volcano gets its shape and provides us with clues to predict a blast.

Have your students crack different codes in this virtual breakout room to learn how NASA detects changes in landscapes on Earth, Mars, and beyond!