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Skills available for Pennsylvania second-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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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 Academic Standards - Environment and Ecology: Environment and Ecology Pennsylvania Academic Standards - Environment and Ecology: Environment and Ecology

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3.1 Biological Sciences

3.1.A Organisms and Cells
- 3.1.2.A1 Common Characteristics of Life
- 3.1.2.A2 Energy Flow
- 3.1.2.A3 Life Cycles
  - Identify similarities and differences in the life cycles of plants and animals.
- 3.1.2.A4 Cell Cycles
- 3.1.2.A5 Form and Function
  - Explain how different parts of a plant work together to make the organism function.
    - Identify plant parts and their functions (2-K.2)
    - How do flowering plants make new plants? (2-K.4)
- 3.1.2.A6 Organization
- 3.1.2.A7 Molecular Basis of Life
- 3.1.2.A8 Unifying Themes
- 3.1.2.A9 Science as Inquiry
3.1.B. Genetics
- 3.1.2.B1 Heredity
- 3.1.2.B2 Reproduction
- 3.1.2.B3 Molecular Basis of Life
- 3.1.2.B4 Biotechnology
- 3.1.2.B5 Unifying Themes
- 3.1.2.B6 Science as Inquiry
3.1.C. Evolution
- 3.1.2.C1 Natural Selection
- 3.1.2.C2 Adaptation
  - Explain that living things can only survive if their needs are being met.
    - Identify living and nonliving things (2-I.1)
- 3.1.2.C3 Unifying Themes
  - Describe some plants and animals that once lived on Earth, (e.g., dinosaurs) but cannot be found anymore. Compare them to now living things that resemble them in some way (e.g. lizards and birds).
- 3.1.2.C4 Science as Inquiry

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3.1 Biological Sciences

3.1.A Organisms and Cells

3.1.2.A1 Common Characteristics of Life

3.1.2.A2 Energy Flow

3.1.2.A3 Life Cycles

Identify similarities and differences in the life cycles of plants and animals.

3.1.2.A4 Cell Cycles

3.1.2.A5 Form and Function

Explain how different parts of a plant work together to make the organism function.

3.1.2.A6 Organization

3.1.2.A7 Molecular Basis of Life

3.1.2.A8 Unifying Themes

3.1.2.A9 Science as Inquiry

3.1.B. Genetics

3.1.2.B1 Heredity

3.1.2.B2 Reproduction

3.1.2.B3 Molecular Basis of Life

3.1.2.B4 Biotechnology

3.1.2.B5 Unifying Themes

3.1.2.B6 Science as Inquiry

3.1.C. Evolution

3.1.2.C1 Natural Selection

3.1.2.C2 Adaptation

Explain that living things can only survive if their needs are being met.

3.1.2.C3 Unifying Themes

Describe some plants and animals that once lived on Earth, (e.g., dinosaurs) but cannot be found anymore. Compare them to now living things that resemble them in some way (e.g. lizards and birds).

3.1.2.C4 Science as Inquiry