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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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S.7.A The Nature of Science

S.7.B Biological Sciences

S.7.C Physical Sciences

S.7.D Earth and Space Sciences

  • S.7.D.1 Earth Features and Processes that Change Earth and Its Resources

    • S.7.D.1.1 Describe Earth structures and processes that characterize different biomes on Earth.

      • S.7.D.1.1.1 Identify and describe soil characteristics (i.e., particle size, porosity, and permeability) of different biomes.

      • S.7.D.1.1.2 Explain how fossils are formed and how they can provide evidence about plants and animals that once lived on Earth.

    • S.7.D.1.2 Describe characteristic features and significance of Earth's water systems.

      • S.7.D.1.2.1 Compare the different water systems on Earth (e.g., wetland, watershed, ocean, river).

      • S.7.D.1.2.2 Compare biotic and abiotic features of freshwater and saltwater systems.

      • S.7.D.1.2.3 Describe the importance of water systems on the diversity and distribution of life on Earth.

  • S.7.D.2 Weather, Climate, and Atmospheric Processes

  • S.7.D.3 Composition and Structure of the Universe

    • S.7.D.3.1 Describe the essential ideas about the composition and structure of the universe and Earth's place in it.