--- title: 3.2.6-8.R description: 3.2.6-8.R Develop and use a model to describe how waves are reflected, absorbed, or transmitted through various materials. 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/) # 3.2.6-8.R Develop and use a model to describe how waves are reflected, absorbed, or transmitted through various materials. [![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 - [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) - [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 - [Weather and Climate](https://www.knowatom.com/weather-and-climate) - [Conservation of Energy and Energy Transfer](https://www.knowatom.com/conservation-of-energy-and-energy-transfer) Crosscutting Concepts - [Patterns](https://www.knowatom.com/patterns) - [Cause and Effect](https://www.knowatom.com/cause-and-effect) [![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) ## Browse 3.2.6-8.R Lesson Plans Grade Ranges All K-2 3-5 6-8 [![](https://www.knowatom.com/hubfs/image1-Oct-09-2023-07-32-07-9953-AM.png) ](https://www.knowatom.com/science-phenomena-videos/8th-grade-science/mechanical-waves-and-energy) ## [Mechanical Waves and Energy In this unit, students explore the science phenomena of waves and information transfer. For the first lesson of this unit, students identify the properties of different kinds of waves. This page is a high-level extract of this lesson. ](https://www.knowatom.com/science-phenomena-videos/8th-grade-science/mechanical-waves-and-energy) [ VIEW LESSON ](https://www.knowatom.com/science-phenomena-videos/8th-grade-science/mechanical-waves-and-energy) [![](https://www.knowatom.com/hubfs/Grade/Screenshot%20(22).png) ](https://www.knowatom.com/science-phenomena-videos/8th-grade-science/engineering-seismographs) ## [Engineering Seismograph In this unit, students focus on the properties of different kinds of waves and the relationship between waves and energy. In this lesson, students design a simple seismograph using what they know about the properties of seismic waves produced by earthquakes. This page is a high-level extract of this lesson.](https://www.knowatom.com/science-phenomena-videos/8th-grade-science/engineering-seismographs) [ VIEW LESSON ](https://www.knowatom.com/science-phenomena-videos/8th-grade-science/engineering-seismographs) [![](https://www.knowatom.com/hubfs/image4-Oct-08-2023-08-03-55-1272-PM.png) ](https://www.knowatom.com/science-phenomena-videos/6th-grade-science/wave-properties-and-signals) ## [Wave Properties and Signals In this lesson, students explore the science phenomena of waves, investigating properties of waves, how waves carry energy, and how they can be used to transmit information. This page highlights key components of this lesson.](https://www.knowatom.com/science-phenomena-videos/6th-grade-science/wave-properties-and-signals) [ VIEW LESSON ](https://www.knowatom.com/science-phenomena-videos/6th-grade-science/wave-properties-and-signals) 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/3.2.6-8.r", "@type" : "WebPage", "description" : "3.2.6-8.R Develop and use a model to describe how waves are reflected, absorbed, or transmitted through various materials." }, "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" } ```