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Skills available for Pennsylvania seventh-grade science standards

Standards are in black and IXL science skills are in dark green. Hold your mouse over the name of a skill to view a sample question. Click on the name of a skill to practice that skill.

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Science, Technology & Engineering, Environmental Literacy and Sustainability (STEELS) Standards Science, Technology & Engineering, Environmental Literacy and Sustainability (STEELS) Standards
Pennsylvania Core Standards: Grades 6-8 Reading in Science and Technical Subjects Pennsylvania Core Standards: Grades 6-8 Reading in Science and Technical Subjects
Pennsylvania Academic Standards - Science and Technology and Engineering: Biological Sciences Pennsylvania Academic Standards - Science and Technology and Engineering: Biological Sciences
Pennsylvania Academic Standards - Science and Technology and Engineering: Earth and Space Sciences Pennsylvania Academic Standards - Science and Technology and Engineering: Earth and Space Sciences
Pennsylvania Academic Standards - Science and Technology and Engineering: Physical Sciences: Chemistry and Physics Pennsylvania Academic Standards - Science and Technology and Engineering: Physical Sciences: Chemistry and Physics
Pennsylvania Academic Standards - Science and Technology and Engineering: Technology and Engineering Education Pennsylvania Academic Standards - Science and Technology and Engineering: Technology and Engineering Education
Pennsylvania Assessment Anchors Pennsylvania Assessment Anchors
Pennsylvania Academic Standards - Environment and Ecology: Environment and Ecology Pennsylvania Academic Standards - Environment and Ecology: Environment and Ecology

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4.1 Ecology

4.1.7.A The Environment
- Describe the relationships between biotic and abiotic components of an ecosystem.
  - Identify ecosystems (7-W.2)
  - Describe ecosystems (7-W.3)
  - Compare and contrast different biomes and their characteristics.
    - Identify ecosystems (7-W.2)
    - Describe ecosystems (7-W.3)
  - Describe symbiotic and predator/ prey relationships.
4.1.7.B Materials Cycles
- Explain biogeochemical cycles within an ecosystem.
  - Label parts of rock cycle diagrams (7-AA.5)
  - The greenhouse effect (7-FF.1)
4.1.7.C Energy Flow
- Explain the flow of energy within an ecosystem.
  - How does matter move in food chains? (7-X.1)
  - Interpret food webs I (7-X.2)
  - Interpret food webs II (7-X.3)
  - Compare and contrast the flow of energy between organisms in different habitats.
  - Explain the concept of trophic levels.
4.1.7.D Biodiversity
- Explain how biological diversity relates to the viability of ecosystems.
  - Compare and contrast monoculture with diverse ecosystems.
  - Explain how biological diversity relates to the ability of an ecosystem to adapt to change.
  - Explain how an adaptation is an inherited, structure, function, or behavior that helps an organism survive and reproduce.
4.1.7.E Succession
- Identify factors that contribute to change in natural and human-made systems.
  - The greenhouse effect (7-FF.1)
  - Explain the processes of primary and secondary succession in a given ecosystem.
    - Investigate primary succession on a volcanic island (7-X.6)
4.1.7.F Science as Inquiry

4.2 Watersheds and Wetlands

4.2.7.A Watersheds
- Explain how water enters, moves through, and leaves a watershed.
  - Explain the concept of stream order.
  - Describe factors that affect the flow and water quality within a watershed.
4.2.7.B Wetlands
- Explain the primary functions of a wetland within a watershed.
  - Providing habitat, flood control, water purification.
  - Serving as buffer zones, wildlife propagation areas, and food and fiber systems.
4.2.7.C Aquatic Ecosystems
- Use appropriate tools and techniques to analyze a freshwater environment.
  - Interpret physical, chemical, and biological data as a means of assessing the environmental quality of a freshwater environment.
4.2.7.D Science as Inquiry

4.3 Natural Resources

4.3.7.A Use of Natural Resources
- Explain how products are derived from natural resources.
- Describe the process of converting raw materials to consumer goods.
- Differentiate between renewable and nonrenewable resources.
4.3.7.B Availability of Natural Resources
- Explain the distribution and management of natural resources.
  - Differentiate between resource uses: conservation, preservation, and exploitation.
4.3.7.C Science as Inquiry

4.4 Agriculture and Society

4.4.7.A Food and Fiber System
- Describe how agricultural practices, the environment, and the availability of natural resources are related.
4.4.7.B Importance of Agriculture
- Describe the economic importance of agriculture to society.
4.4.7.C Applying Sciences to Agriculture
- Investigate resources, their relation to land use, and their impact on the food and fiber system.
4.4.7.D Technology Influences on Agriculture
- Identify the positive and negative effects of technology used in agriculture and its effects on the food and fiber system and the environment over time.
4.4.7.E Science as Inquiry

4.5 Humans and the Environment

4.5.7.A Sustainability
- Describe how the development of civilization affects the use of natural resources.
  - Coral reef biodiversity and human uses: explore a problem (7-Y.1)
  - Coral reef biodiversity and human uses: evaluate solutions (7-Y.2)
  - Evaluate claims about natural resource use: groundwater (7-Z.1)
  - The greenhouse effect (7-FF.1)
  - Compare and contrast how people use natural resources in sustainable and non-sustainable ways throughout the world.
4.5.7.B Integrated Pest Management
- Describe the impact of pests in different geographic locations and techniques used to manage those pests.
  - Identify introduced species that are classified as pests in their new environments.
  - Research integrated pest management practices.
4.5.7.C Pollution
- Explain how human actions affect the health of the environment.
  - Identify residential and industrial sources of pollution and their effects on environmental health.
4.5.7.D Waste Management
- Describe the wastes derived from using resources, how the waste is managed, and the potential impact on the environment.
  - The greenhouse effect (7-FF.1)
4.5.7.E Human Health Issues
- Describe how length and degree of exposure to pollutants may affect human health.
  - Identify diseases/ conditions that have been associated with exposure to pollutants.
4.5.7.F Science as Inquiry

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4.1 Ecology

4.1.7.A The Environment

Describe the relationships between biotic and abiotic components of an ecosystem.

Compare and contrast different biomes and their characteristics.

Describe symbiotic and predator/ prey relationships.

4.1.7.B Materials Cycles

Explain biogeochemical cycles within an ecosystem.

4.1.7.C Energy Flow

Explain the flow of energy within an ecosystem.

Compare and contrast the flow of energy between organisms in different habitats.

Explain the concept of trophic levels.

4.1.7.D Biodiversity

Explain how biological diversity relates to the viability of ecosystems.

Compare and contrast monoculture with diverse ecosystems.

Explain how biological diversity relates to the ability of an ecosystem to adapt to change.

Explain how an adaptation is an inherited, structure, function, or behavior that helps an organism survive and reproduce.

4.1.7.E Succession

Identify factors that contribute to change in natural and human-made systems.

Explain the processes of primary and secondary succession in a given ecosystem.

4.1.7.F Science as Inquiry

4.2 Watersheds and Wetlands

4.2.7.A Watersheds

Explain how water enters, moves through, and leaves a watershed.

Explain the concept of stream order.

Describe factors that affect the flow and water quality within a watershed.

4.2.7.B Wetlands

Explain the primary functions of a wetland within a watershed.

Providing habitat, flood control, water purification.

Serving as buffer zones, wildlife propagation areas, and food and fiber systems.

4.2.7.C Aquatic Ecosystems

Use appropriate tools and techniques to analyze a freshwater environment.

Interpret physical, chemical, and biological data as a means of assessing the environmental quality of a freshwater environment.

4.2.7.D Science as Inquiry

4.3 Natural Resources

4.3.7.A Use of Natural Resources

Explain how products are derived from natural resources.

Describe the process of converting raw materials to consumer goods.

Differentiate between renewable and nonrenewable resources.

4.3.7.B Availability of Natural Resources

Explain the distribution and management of natural resources.

Differentiate between resource uses: conservation, preservation, and exploitation.

4.3.7.C Science as Inquiry

4.4 Agriculture and Society

4.4.7.A Food and Fiber System

Describe how agricultural practices, the environment, and the availability of natural resources are related.

4.4.7.B Importance of Agriculture

Describe the economic importance of agriculture to society.

4.4.7.C Applying Sciences to Agriculture

Investigate resources, their relation to land use, and their impact on the food and fiber system.

4.4.7.D Technology Influences on Agriculture

Identify the positive and negative effects of technology used in agriculture and its effects on the food and fiber system and the environment over time.

4.4.7.E Science as Inquiry

4.5 Humans and the Environment

4.5.7.A Sustainability

Describe how the development of civilization affects the use of natural resources.

Compare and contrast how people use natural resources in sustainable and non-sustainable ways throughout the world.

4.5.7.B Integrated Pest Management

Describe the impact of pests in different geographic locations and techniques used to manage those pests.

Identify introduced species that are classified as pests in their new environments.

Research integrated pest management practices.

4.5.7.C Pollution

Explain how human actions affect the health of the environment.

Identify residential and industrial sources of pollution and their effects on environmental health.

4.5.7.D Waste Management

Describe the wastes derived from using resources, how the waste is managed, and the potential impact on the environment.

4.5.7.E Human Health Issues

Describe how length and degree of exposure to pollutants may affect human health.

Identify diseases/ conditions that have been associated with exposure to pollutants.

4.5.7.F Science as Inquiry