--- title: 8.MS-PS1-4 description: 8.MS-PS1-4 Develop a model that describes and predicts changes in particle motion, relative spatial arrangement, temperature, and state of a pure substance when thermal energy is added or removed. 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/) # 8.MS-PS1-4 Develop a model that describes and predicts changes in particle motion, relative spatial arrangement, temperature, and state of a pure substance when thermal energy is added or removed. [![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 Materials and Systems](https://www.knowatom.com/earth-materials-and-systems) - [Definitions of Heat](https://www.knowatom.com/definitions-of-heat) - [Definitions of Energy](https://www.knowatom.com/definitions-of-energy) - [Conservation of Energy and Energy Transfer](https://www.knowatom.com/conservation-of-energy-and-energy-transfer) [![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) ## 8.MS-PS1-4 Grade Ranges All K-2 3-5 6-8 [![](https://www.knowatom.com/hubfs/image4-Oct-08-2023-07-36-35-4598-PM.png) ](https://www.knowatom.com/science-phenomena-videos/6th-grade-science/molecules) ## [Molecules In this unit, students explore the science phenomena of interactions between energy and matter, analyzing how matter can only change when enough energy is present. In this lesson, they investigate the structure of molecules, relating this structure to the matter’s properties. This page is a high-level extract of this lesson.](https://www.knowatom.com/science-phenomena-videos/6th-grade-science/molecules) [ VIEW LESSON ](https://www.knowatom.com/science-phenomena-videos/6th-grade-science/molecules) [![](https://www.knowatom.com/hubfs/image4-Nov-01-2023-09-53-22-5609-AM.png) ](https://www.knowatom.com/science-phenomena-videos/8th-grade-science/mass-and-heat-transfer) ## [Mass and Heat Transfer In this unit, students explore phenomena of natural processes that cause Earth’s surface to change over time, analyzing how energy causes Earth’s matter to transform and cycle from one form to another. In this lesson, students investigate how Earth materials are continually being reshaped and reformed by multiple processes that are powered by energy from Earth’s hot interior and the sun. This page is a high-level extract of this lesson.](https://www.knowatom.com/science-phenomena-videos/8th-grade-science/mass-and-heat-transfer) [ VIEW LESSON ](https://www.knowatom.com/science-phenomena-videos/8th-grade-science/mass-and-heat-transfer) [![](https://www.knowatom.com/hubfs/image1-Nov-01-2023-04-00-14-6692-PM.png) ](https://www.knowatom.com/science-phenomena-videos/8th-grade-science/chemical-reactions-ma) ## [Chemical Reactions (MA) In this unit, students are introduced to matter and energy as they learn about how scientists and engineers design materials with specific properties to address a wide range of societal needs. They focus on the basic structure of matter, and how energy changes matter in physical and chemical changes.  In this lesson, students focus on the role of energy in changing matter during a chemical reaction phenomena between two substances. This page provides an overview extract of this lesson. ](https://www.knowatom.com/science-phenomena-videos/8th-grade-science/chemical-reactions-ma) [ VIEW LESSON ](https://www.knowatom.com/science-phenomena-videos/8th-grade-science/chemical-reactions-ma) Standards citation: NGSS Lead States. 2013. *Next Generation Science Standards: For States, By State*s. Washington, DC: The National Academies Press. Neither WestEd nor the lead states and partners that developed the Next Generation Science Standards were involved in the production of this product, and do not endorse it. ![KnowAtom Logo](https://www.knowatom.com/hubfs/KnowAtom%20Logo.svg "KnowAtom Logo") Quick Links Resources Sign Up for Our Blog ### Sign Up for Our Blog Connect with Us - - - - © 2026 KnowAtom LLC  •  10 Brady Drive Unit 3   •  Ipswich MA •   01938 USA [DO NOT SELL MY PERSONAL INFORMATION](https://www.knowatom.com/do-not-sell-my-personal-information) | [Privacy Policy](https://www.knowatom.com/privacy-policy) | [Terms of Use](https://www.knowatom.com/terms-of-use) ```json { "@context" : "http://schema.org", "@type" : "Organization", "address" : { "@type" : "PostalAddress", "addressCountry" : "USA", "addressLocality" : "Salem", "addressRegion" : "MA", "postalCode" : "01970", "streetAddress" : "27 Congress Suite 410" }, "alternateName" : "KA", "areaServed" : { "@type" : "GeoCircle", "geoMidpoint" : { "@type" : "GeoCoordinates", "latitude" : "+42.5182274", "longitude" : "-70.8877569" }, "geoRadius" : "150 km" }, "description" : "Next Generation Science STEM Curriculum", "email" : "fvigeant@knowatom.com", "image" : "https://www.knowatom.com/hubfs/KA-GSD.png", "logo" : "https://www.knowatom.com/hubfs/Knowatom-2017/Image/logo-1.png", "mainEntityOfPage" : { "@id" : "https://www.knowatom.com/8.ms-ps1-4", "@type" : "WebPage", "description" : "8.MS-PS1-4 Develop a model that describes and predicts changes in particle motion, relative spatial arrangement, temperature, and state of a pure substance when thermal energy is added or removed." }, "name" : "KnowAtom", "sameAs" : [ "https://www.facebook.com/KnowAtom", "https://twitter.com/KnowAtom", "https://www.youtube.com/channel/UCS0rbN0RfqaU1xaISrdVpTA", "https://plus.google.com/110709105138117096940" ], "telephone" : "(617) 475-3475", "url" : "https://www.knowatom.com" } ```