{"product_id":"earths-changing-surface-erosion-hazards-grade-4-science-unit","title":"Earth's Changing Surface | 8 Lessons, Case Cards \u0026 a Project | Grade 4","description":"\u003cp\u003e\u003cstrong\u003eEarth's Changing Surface\u003c\/strong\u003e is an earth science unit for Grade 4 with 32 pages of classroom material and a separate 13-page teacher guide. Students read rock layers as evidence, study weathering, erosion and deposition, use maps to find patterns, and compare design solutions for natural hazards. It is written for fourth grade teachers who want a self-contained NGSS-style unit with explanations, supported practice and reasoning cases.\u003c\/p\u003e\u003cp\u003eThe unit has eight lessons with the same three pages each: an explanation page, a practice page with explanation, and a case card. The first four lessons cover rock layers as evidence, weathering, erosion and deposition, and fair surface models. Lessons 5 to 7 look at how maps reveal patterns, resources and human use, and natural hazards and exposure. The last lesson compares design solutions. Two vocabulary pages, a learning check and a short project with a reflection page complete the unit.\u003c\/p\u003e\u003ch2\u003eWhat's Included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eClassroom Material: 32 pages (PDF, print edition)\u003c\/li\u003e\n\u003cli\u003eTeacher Guide: 13 pages (PDF) with answers, case guidance and assessment feedback\u003c\/li\u003e\n\u003cli\u003eEditable DOCX text editions of the classroom material and the teacher guide\u003c\/li\u003e\n\u003cli\u003ePresentation with 17 slides (PPTX)\u003c\/li\u003e\n\u003cli\u003eOriginal illustrations; the PDF is the print reference and DOCX line breaks may differ\u003c\/li\u003e\n\u003cli\u003eVocabulary pages, a learning check and a project with a record and reflection page\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eThe 8 Lessons\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLesson 1: Rock layers as evidence\u003c\/strong\u003e – Reading rock layers as evidence of change.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLesson 2: Weathering\u003c\/strong\u003e – Describing how weathering breaks down rock.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLesson 3: Erosion and deposition\u003c\/strong\u003e – Describing how material is moved and laid down.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLesson 4: Fair surface models\u003c\/strong\u003e – Setting up fair tests with models of Earth's surface.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLesson 5: Maps reveal patterns\u003c\/strong\u003e – Using maps to find patterns.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLesson 6: Resources and human use\u003c\/strong\u003e – Looking at resources and how people use them.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLesson 7: Natural hazards and exposure\u003c\/strong\u003e – Looking at natural hazards and who is exposed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLesson 8: Compare design solutions\u003c\/strong\u003e – Comparing design solutions for a problem.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eStudents Will Learn To\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRead rock layers as evidence\u003c\/li\u003e\n\u003cli\u003eDescribe weathering, erosion and deposition\u003c\/li\u003e\n\u003cli\u003ePlan a fair test with a model of Earth's surface\u003c\/li\u003e\n\u003cli\u003eUse maps to identify patterns\u003c\/li\u003e\n\u003cli\u003eCompare design solutions for a natural hazard\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eGrade 4 science teachers who need a closed unit on Earth's surface\u003c\/li\u003e\n\u003cli\u003eTeachers who want students to argue from evidence rather than memorize terms\u003c\/li\u003e\n\u003cli\u003eClasses that need a clear sequence from rocks to erosion to hazards\u003c\/li\u003e\n\u003cli\u003eHomeschool families looking for printable lessons with a separate answer guide\u003c\/li\u003e\n\u003cli\u003eUK and Australia: roughly Year 5\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy Teachers Choose This Unit\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEach lesson follows the same explanation, practice and case card pattern, so students know what to expect\u003c\/li\u003e\n\u003cli\u003eA lesson on fair surface models gives students a structure for testing erosion ideas\u003c\/li\u003e\n\u003cli\u003eThe final lesson on comparing design solutions links the earth science to a practical problem\u003c\/li\u003e\n\u003cli\u003eThe teacher guide has a teaching concept, sequence and preparation notes, answers for all eight lessons, an assessment key with feedback, and a differentiation and observation chapter\u003c\/li\u003e\n\u003cli\u003eEditable DOCX text editions allow you to adapt wording for your class\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eEvery resource is built around the curriculum you teach – and if something doesn't fit your standards, the \u003ca href=\"\/pages\/teachlessons-guarantee\"\u003eTeachLessons Guarantee\u003c\/a\u003e applies: we adapt it for you.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eCreated with AI assistance. Texts and illustrations were generated with AI support and edited for classroom use; sources and production notes are at the end of the teacher guide.\u003c\/em\u003e\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWhich standards does this fit?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe content is closest to NGSS 4-ESS1 (patterns of Earth's changes), 4-ESS2 (Earth's systems) and 4-ESS3 (Earth and human activity). No alignment or endorsement is claimed.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAre answers included?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes. The separate 13-page teacher guide has answers and teaching notes for all eight lessons and an assessment key with feedback.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow long does the unit take?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe material does not state a duration. Plan by lesson: each has three pages, and you can use the lessons in order or choose the ones you need.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the unit cover natural hazards?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes. Lesson 7 covers natural hazards and exposure, and Lesson 8 compares design solutions. Maps are used in Lesson 5 to find patterns.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Which standards does this fit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The content is closest to NGSS 4-ESS1 (patterns of Earth's changes), 4-ESS2 (Earth's systems) and 4-ESS3 (Earth and human activity). No alignment or endorsement is claimed.\"}}, {\"@type\": \"Question\", \"name\": \"Are answers included?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. 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