--- title: 7. MS-ESS2-2 description: 7. MS-ESS2-2 Construct an explanation based on evidence for how Earth’s surface has changed over scales that range from local to global in size. image: https://www.knowatom.com/hubfs/Right%20Image.png --- [![Teacher Login](https://no-cache.hubspot.com/cta/default/347944/f56bee57-133e-4975-8055-799f1f23588b.png)](https://cta-redirect.hubspot.com/cta/redirect/347944/f56bee57-133e-4975-8055-799f1f23588b) [Teacher Login](https://app.knowatom.com/signin) [![KnowAtom Logo](https://www.knowatom.com/hubfs/KnowAtom%20Logo.svg "KnowAtom Logo")](https://www.knowatom.com/) # 7. MS-ESS2-2 Construct an explanation based on evidence for how Earth’s surface has changed over scales that range from local to global in size. [![Download a Sample Unit](https://no-cache.hubspot.com/cta/default/347944/20eee377-e175-48fe-a039-ae723137a2a6.png)](https://cta-redirect.hubspot.com/cta/redirect/347944/20eee377-e175-48fe-a039-ae723137a2a6) Science & Engineering Practices - [Asking questions and defining problems](https://www.knowatom.com/asking-questions-and-defining-problems) - [Developing and using models](https://www.knowatom.com/developing-and-using-models) - [Planning and carrying out investigations](https://www.knowatom.com/planning-and-carrying-out-investigations) - [Analyzing and interpreting data](https://www.knowatom.com/analyzing-and-interpreting-data) - [Using mathematics and computational thinking](https://www.knowatom.com/using-mathematics-and-computational-thinking) - [Constructing explanations and designing solutions](https://www.knowatom.com/constructing-explanations-and-designing-solutions) - [Engaging in argument from evidence](https://www.knowatom.com/engaging-in-argument-from-evidence) - [Obtaining evaluating and communicating information](https://www.knowatom.com/obtaining-evaluating-and-communicating-information) Disciplinary Core Ideas - [Earth and the Solar System](https://www.knowatom.com/earth-and-the-solar-system) - [The Roles of Water in Earth’s Surface Processes](https://www.knowatom.com/the-roles-of-water-in-earth-surface-processes) - [Types of Interactions](https://www.knowatom.com/types-of-interaction) [![New call-to-action](https://no-cache.hubspot.com/cta/default/347944/b5a1446e-d782-4a5f-a019-0b3b98c8304f.png)](https://cta-redirect.hubspot.com/cta/redirect/347944/b5a1446e-d782-4a5f-a019-0b3b98c8304f) ## 7. MS-ESS2-2 Grade Ranges All K-2 3-5 6-8 [![](https://www.knowatom.com/hubfs/Grade/Screenshot%20(59).png) ](https://www.knowatom.com/science-phenomena-videos/7th-grade-science/groundwater-flow) ## [Groundwater Flow In this unit, students explore the science phenomena of Earth systems as they interact. Students do this by discovering the importance of water for life on Earth. In this lesson, students figure out groundwater flow by exploring the porosity and permeability of different Earth materials. This page is a high-level extract of this lesson.](https://www.knowatom.com/science-phenomena-videos/7th-grade-science/groundwater-flow) [ VIEW LESSON ](https://www.knowatom.com/science-phenomena-videos/7th-grade-science/groundwater-flow) [![](https://www.knowatom.com/hubfs/image1-Oct-08-2023-08-40-05-8079-PM.png) ](https://www.knowatom.com/science-phenomena-videos/6th-grade-science/weathering-and-erosion) ## [Weathering and Erosion In this unit, students focus on the science phenomena of processes that change Earth’s surface over time. This lesson has students modeling how Earth’s landforms can be created and then broken down by weathering and erosion. This page is a high-level extract of this lesson. ](https://www.knowatom.com/science-phenomena-videos/6th-grade-science/weathering-and-erosion) [ VIEW LESSON ](https://www.knowatom.com/science-phenomena-videos/6th-grade-science/weathering-and-erosion) [![](https://www.knowatom.com/hubfs/image4-Oct-08-2023-08-40-03-9553-PM.png) ](https://www.knowatom.com/science-phenomena-videos/6th-grade-science/earth-materials) ## [Earth Materials In this unit, students focus on the processes that cycle Earth materials, connecting the movement of water in the water cycle and wind with changes to Earth’s surface through weathering and erosion. In this lesson, students explore the science phenomena of how convection in Earth’s mantle causes the tectonic plates to move, creating many of Earth’s landforms. This page showcases key components of this lesson.](https://www.knowatom.com/science-phenomena-videos/6th-grade-science/earth-materials) [ VIEW LESSON ](https://www.knowatom.com/science-phenomena-videos/6th-grade-science/earth-materials) [![](https://www.knowatom.com/hubfs/Grade/image1-Nov-01-2023-08-25-18-2473-AM.png) ](https://www.knowatom.com/science-phenomena-videos/7th-grade-science/glacier-motion-ma) ## [Glacier Motion (MA) In this unit, students analyze the phenomena that have shaped Earth’s surface, analyzing how gravitational energy moves glaciers, which have sculpted the land over time. This page showcases elements of the first lesson which focuses on glacier motion.](https://www.knowatom.com/science-phenomena-videos/7th-grade-science/glacier-motion-ma) [ VIEW LESSON ](https://www.knowatom.com/science-phenomena-videos/7th-grade-science/glacier-motion-ma) [![](https://www.knowatom.com/hubfs/Grade/image4-Nov-01-2023-08-25-27-0343-AM.png) ](https://www.knowatom.com/science-phenomena-videos/7th-grade-science/climate-analysis-ma) ## [Climate Analysis (MA) In this unit, students focus on the phenomena of Earth’s ice as they model how glaciers shape Earth’s surface. In this lesson, they investigate how scientists use ice cores to reconstruct Earth’s past climates and environments. This page is a high-level extract of this lesson.](https://www.knowatom.com/science-phenomena-videos/7th-grade-science/climate-analysis-ma) [ VIEW LESSON ](https://www.knowatom.com/science-phenomena-videos/7th-grade-science/climate-analysis-ma) [![](https://www.knowatom.com/hubfs/image3-Nov-01-2023-09-53-23-1062-AM.png) ](https://www.knowatom.com/science-phenomena-videos/8th-grade-science/the-rock-cycle) ## [The Rock Cycle In this unit, students use what they know about the relationship between energy and matter to investigate phenomena of how energy powers the cycling of Earth materials. They begin with this lesson on modeling the Earth processes that form different kinds of rock. This page provides an overview of this lesson. ](https://www.knowatom.com/science-phenomena-videos/8th-grade-science/the-rock-cycle) [ VIEW LESSON ](https://www.knowatom.com/science-phenomena-videos/8th-grade-science/the-rock-cycle) Standards citation: NGSS Lead States. 2013. *Next Generation Science Standards: For States, By State*s. Washington, DC: The National Academies Press. 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