Pennsylvania

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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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Science, Technology & Engineering, Environmental Literacy and Sustainability (STEELS) Standards Science, Technology & Engineering, Environmental Literacy and Sustainability (STEELS) Standards
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 - Environment and Ecology: Environment and Ecology Pennsylvania Academic Standards - Environment and Ecology: Environment and Ecology

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3.1 Life Science

Ecosystems: Interactions, Energy, and Dynamics
- 3.1.2.A Plan and conduct an investigation to determine if plants need sunlight and water to grow.
  - Classify fruits and vegetables as plant parts (2-K.1)
  - Identify plant parts and their functions (2-K.2)
- 3.1.2.B Develop a simple model that mimics the function of an animal in dispersing seeds or pollinating plants.
Biological Evolution: Unity and Diversity
- 3.1.2.C Make observations of plants and animals to compare the diversity of life in different habitats.

3.2 Physical Science

Matter and its Interactions
- 3.2.2.A Plan and conduct an investigation to describe and classify different kinds of materials by their observable properties.
- 3.2.2.B Analyze data obtained from testing different materials to determine which materials have the properties that are best suited for an intended purpose.
  - Compare properties of materials (2-A.3)
  - Identify materials in objects (2-A.4)
- 3.2.2.C Make observations to construct an evidence-based account of how an object made of a small set of pieces can be disassembled and made into a new object.
  - Identify multiple materials in objects (2-A.5)
- 3.2.2.D Construct an argument with evidence that some changes caused by heating or cooling can be reversed and some cannot.

3.3 Earth and Space Science

Earth's Place in the Universe
- 3.3.2.A Use information from several sources to provide evidence that Earth events can occur quickly or slowly.
Earth's Systems
- 3.3.2.B Compare multiple solutions designed to slow or prevent wind or water from changing the shape of the land.
  - Changes to Earth's surface: erosion (2-P.5)
  - Evaluate multiple design solutions to prevent flooding (3-V.2)
- 3.3.2.C Develop a model to represent the shapes and kinds of land and bodies of water in an area.
  - Water on Earth (2-O.1)
  - Identify Earth’s land features (2-O.3)
- 3.3.2.D Obtain information to identify where water is found on Earth and that it can be solid or liquid.
  - Bodies of water (2-O.)
  - Water on Earth (2-O.1)

3.4 Environmental Literacy and Sustainability

Agricultural and Environmental Systems and Resources
- 3.4.K-2.A Categorize ways people harvest, re-distribute, and use natural resources.
  - Natural resources (2-O.2)
- 3.4.K-2.B Examine how people from different cultures and communities, including one's own, interact and express their beliefs about nature.
Environmental Literacy Skills
- 3.4.K-2.C Explain ways that places differ in their physical characteristics, their meaning, and their value and/or importance.
  - Identify Earth’s land features (2-O.3)
- 3.4.K-2.D Plan and carry out an investigation to address an issue in their local environment and community.

3.5 Technology and Engineering

Applying, Maintaining, and Assessing Technological Products and Systems
- 3.5.K-2.A Identify and use everyday symbols.
  - Read a thermometer (2-N.1)
- 3.5.K-2.B Describe qualities of everyday products.
- 3.5.K-2.N Analyze how things work.
Impacts of Technology
- 3.5.K-2.C Explain ways that technology helps with everyday tasks.
- 3.5.K-2.D Select ways to reduce, reuse, and recycle resources in daily life.
- 3.5.K-2.E Illustrate helpful and harmful effects of technology.
- 3.5.K-2.I Compare simple technologies to evaluate their impacts.
- 3.5.K-2.J Design new technologies that could improve their daily lives.
Influence of Society on Technological Development
- 3.5.K-2.F Investigate the use of technologies in the home and community.
  - How do we use light and sound to communicate? (2)
- 3.5.K-2.H Explain the needs and wants of individuals and societies.
- 3.5.K-2.L Explore how technologies are developed to meet individual and societal needs and wants.
Design in Technology and Engineering Education
- 3.5.K-2.M Demonstrate essential skills of the engineering design process.
- 3.5.K-2.O Illustrate that there are different solutions to a design and that none are perfect.
- 3.5.K-2.P Discuss that all designs have different characteristics that can be described.
- 3.5.K-2.Q Apply skills necessary for making in design.
- 3.5.K-2.S Apply design concepts, principles, and processes through play and exploration.
- 3.5.K-2.T Demonstrate that designs have requirements.
- 3.5.K-2.U Explain that design is a response to wants and needs.
Integration of Knowledge, Technologies, and Practices
- 3.5.K-2.R Draw connections between technology and human experiences.
- 3.5.K-2.W Apply concepts and skills from technology and engineering activities that reinforce concepts and skills across multiple content areas.
Nature and Characteristics of Technology and Engineering
- 3.5.K-2.G Explain the tools and techniques that people use to help them do things.
- 3.5.K-2.AA Demonstrate that creating can be done by anyone.
- 3.5.K-2.BB Compare the natural world and human-made world.
  - Natural resources (2-O.2)
- 3.5.K-2.CC Discuss the roles of scientists, engineers, technologists and others who work with technology.
Core Concepts of Technology and Engineering
- 3.5.K-2.K Safely use tools to complete tasks.
- 3.5.K-2.V Explain that materials are selected for use because they possess desirable properties and characteristics.
- 3.5.K-2.X Develop a plan in order to complete a task.
- 3.5.K-2.Z Illustrate how systems have parts or components that work together to accomplish a goal.
- 3.5.K-2.DD Collaborate effectively as a member of a team.
History of Technology
- 3.5.K-2.Y Discuss how the way people live and work has changed throughout history because of technology.

Pennsylvania

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3.1 Life Science

Ecosystems: Interactions, Energy, and Dynamics

3.1.2.A Plan and conduct an investigation to determine if plants need sunlight and water to grow.

3.1.2.B Develop a simple model that mimics the function of an animal in dispersing seeds or pollinating plants.

Biological Evolution: Unity and Diversity

3.1.2.C Make observations of plants and animals to compare the diversity of life in different habitats.

3.2 Physical Science

Matter and its Interactions

3.2.2.A Plan and conduct an investigation to describe and classify different kinds of materials by their observable properties.

3.2.2.B Analyze data obtained from testing different materials to determine which materials have the properties that are best suited for an intended purpose.

3.2.2.C Make observations to construct an evidence-based account of how an object made of a small set of pieces can be disassembled and made into a new object.

3.2.2.D Construct an argument with evidence that some changes caused by heating or cooling can be reversed and some cannot.

3.3 Earth and Space Science

Earth's Place in the Universe

3.3.2.A Use information from several sources to provide evidence that Earth events can occur quickly or slowly.

Earth's Systems

3.3.2.B Compare multiple solutions designed to slow or prevent wind or water from changing the shape of the land.

3.3.2.C Develop a model to represent the shapes and kinds of land and bodies of water in an area.

3.3.2.D Obtain information to identify where water is found on Earth and that it can be solid or liquid.

3.4 Environmental Literacy and Sustainability

Agricultural and Environmental Systems and Resources

3.4.K-2.A Categorize ways people harvest, re-distribute, and use natural resources.

3.4.K-2.B Examine how people from different cultures and communities, including one's own, interact and express their beliefs about nature.

Environmental Literacy Skills

3.4.K-2.C Explain ways that places differ in their physical characteristics, their meaning, and their value and/or importance.

3.4.K-2.D Plan and carry out an investigation to address an issue in their local environment and community.

3.5 Technology and Engineering

Applying, Maintaining, and Assessing Technological Products and Systems

3.5.K-2.A Identify and use everyday symbols.

3.5.K-2.B Describe qualities of everyday products.

3.5.K-2.N Analyze how things work.

Impacts of Technology

3.5.K-2.C Explain ways that technology helps with everyday tasks.

3.5.K-2.D Select ways to reduce, reuse, and recycle resources in daily life.

3.5.K-2.E Illustrate helpful and harmful effects of technology.

3.5.K-2.I Compare simple technologies to evaluate their impacts.

3.5.K-2.J Design new technologies that could improve their daily lives.

Influence of Society on Technological Development

3.5.K-2.F Investigate the use of technologies in the home and community.

3.5.K-2.H Explain the needs and wants of individuals and societies.

3.5.K-2.L Explore how technologies are developed to meet individual and societal needs and wants.

Design in Technology and Engineering Education

3.5.K-2.M Demonstrate essential skills of the engineering design process.

3.5.K-2.O Illustrate that there are different solutions to a design and that none are perfect.

3.5.K-2.P Discuss that all designs have different characteristics that can be described.

3.5.K-2.Q Apply skills necessary for making in design.

3.5.K-2.S Apply design concepts, principles, and processes through play and exploration.

3.5.K-2.T Demonstrate that designs have requirements.

3.5.K-2.U Explain that design is a response to wants and needs.

Integration of Knowledge, Technologies, and Practices

3.5.K-2.R Draw connections between technology and human experiences.

3.5.K-2.W Apply concepts and skills from technology and engineering activities that reinforce concepts and skills across multiple content areas.

Nature and Characteristics of Technology and Engineering

3.5.K-2.G Explain the tools and techniques that people use to help them do things.

3.5.K-2.AA Demonstrate that creating can be done by anyone.

3.5.K-2.BB Compare the natural world and human-made world.

3.5.K-2.CC Discuss the roles of scientists, engineers, technologists and others who work with technology.

Core Concepts of Technology and Engineering

3.5.K-2.K Safely use tools to complete tasks.

3.5.K-2.V Explain that materials are selected for use because they possess desirable properties and characteristics.

3.5.K-2.X Develop a plan in order to complete a task.

3.5.K-2.Z Illustrate how systems have parts or components that work together to accomplish a goal.

3.5.K-2.DD Collaborate effectively as a member of a team.

History of Technology

3.5.K-2.Y Discuss how the way people live and work has changed throughout history because of technology.