# Grade 7: Science A course roadmap (science). Language: en. By @si. Licence: CC BY-SA 4.0. 0 of 16 concepts ready. In the app: https://ai.page/roadmap/ar-sci-grade-7 Part of: [Arkansas: Science](https://ai.page/roadmap/ar-sci.md) Goal: Arkansas academic standards: Science, Grade 7 ## 1. Engineering, Technology, and Applications of Science - [Building an energy-converting device](https://ai.page/c/building-an-energy-converting-device/index.md): Apply scientific ideas to design, test, and refine a device that converts energy from one form to another - [Simple Design Problems](https://ai.page/c/simple-design-problems/index.md): Define a simple design problem reflecting a need or want that includes specified criteria for success and constraints on materials, time, or cost - [Comparing Possible Solutions](https://ai.page/c/comparing-possible-solutions/index.md): Generate and compare multiple possible solutions to a problem based on how well each is likely to meet the criteria and constraints ## 2. History of Earth - [Fossils as Evidence](https://ai.page/c/fossils-as-evidence/index.md): Analyse and interpret data from fossils to provide evidence of organisms and environments that existed long ago ## 3. Interdependent Relationships in Ecosystems - [Food Webs & Interdependence](https://ai.page/c/food-webs-and-interdependence/index.md): Construct and interpret food webs showing the interdependence of organisms in an ecosystem, explaining how a change in one population affects others ## 4. Chemical Reactions - [Reactions That Release or Absorb Heat](https://ai.page/c/reactions-that-release-or-absorb-heat/index.md): Distinguish between exothermic reactions (release energy, temperature rises) and endothermic reactions (absorb energy, temperature falls), with everyday and industrial examples - [Conservation of Mass](https://ai.page/c/conservation-of-mass/index.md): Measure and provide evidence that the total weight of matter is conserved regardless of the type of change (heating, cooling, or mixing) - [Physical vs Chemical Changes](https://ai.page/c/physical-vs-chemical-changes/index.md): Distinguish between physical changes (reversible, no new substances formed) and chemical changes (new substances formed, often irreversible), using conservation of mass to understand both types ## 5. Human Impacts - [Hazard Assessment & Evacuation](https://ai.page/c/hazard-assessment-and-evacuation/index.md): Explain probabilistic hazard assessment using eruption recurrence intervals and fault slip rates; describe how volcano observatories monitor ground deformation, gas emissions, and seismicity to issue alert levels; explore why communities remain near active hazards (fertile volcanic soil, poverty, cultural ties); discuss the ethics and politics of evacuation decisions and the social justice dimensions of disaster risk ## 6. Matter and Energy in Organisms and Ecosystems - [Species Distribution & Change](https://ai.page/c/species-distribution-and-change/index.md): Explain how environmental change (climate change, habitat loss, pollution) affects the distribution of species, including range shifts, local extinction, and invasive species - [Matter Cycling in Ecosystems](https://ai.page/c/matter-cycling-in-ecosystems/index.md): Develop a model to describe the movement of matter among plants, animals, decomposers, and the environment in an ecosystem - [Photosynthesis](https://ai.page/c/photosynthesis/index.md): Explain photosynthesis as the process by which plants use light energy to convert carbon dioxide and water into glucose and oxygen, and describe how mineral nutrients are absorbed through roots ## 7. Structure and Properties of Matter - [How Materials Change State](https://ai.page/c/how-materials-change-state/index.md): Explain melting, freezing, boiling, condensing, and sublimation using the particle model, interpreting heating and cooling curves to identify melting and boiling points - [Ceramics, Polymers & Composites](https://ai.page/c/ceramics-polymers-and-composites/index.md): Describe the properties and uses of ceramics (hard, brittle, heat-resistant), polymers (flexible, lightweight, variable), and composites (combine properties of constituent materials), giving real-world examples of each - [Atoms, Elements & Compounds](https://ai.page/c/atoms-elements-and-compounds/index.md): Explain the differences between atoms, elements, and compounds; describe the simple Bohr model of the atom (nucleus with protons and neutrons, electrons in shells); and write and interpret chemical symbols and simple formulae ## 8. Earth's Systems - [The Water Cycle](https://ai.page/c/the-water-cycle/index.md): Describe the water cycle, tracing water through evaporation, condensation, precipitation, surface runoff, and transpiration in plants, explaining how the sun drives the cycle ## Health: 0 of 100 Of its 16 own concepts: 0 have an explanation, 0 have practice, 0 have a measurement question, 0 have a checked version. Findings (each is a task for anyone's AI): - Building an energy-converting device has no explanation yet - Simple Design Problems has no explanation yet - Comparing Possible Solutions has no explanation yet - Fossils as Evidence has no explanation yet - Food Webs & Interdependence has no explanation yet - Reactions That Release or Absorb Heat has no explanation yet - Conservation of Mass has no explanation yet - Physical vs Chemical Changes comes before Atoms, Elements & Compounds, which it needs - Physical vs Chemical Changes has no explanation yet - Hazard Assessment & Evacuation has no explanation yet - Species Distribution & Change has no explanation yet - Matter Cycling in Ecosystems has no explanation yet - Photosynthesis has no explanation yet - How Materials Change State has no explanation yet - Ceramics, Polymers & Composites has no explanation yet - Atoms, Elements & Compounds has no explanation yet - The Water Cycle has no explanation yet Credit: The structure of Arkansas academic standards: Science (http://www.arkansased.gov/public/userfiles/Learning_Services/Curriculum%20and%20Instruction/Frameworks/Science/Arkansas_5-8_Science_Standards_Topic_Arrangement_black_and_white.pdf); concepts from the Marble Skill Taxonomy (v1), © Generative Spark, Inc. (withmarble.com), text CC BY-SA 4.0, database ODbL 1.0: https://github.com/withmarbleapp/os-taxonomy, mapped to its standards by Marble.