Virginia

Force, Motion, and Energy

• 2.2 The student will investigate and understand that different types of forces may cause an object's motion to change. Key ideas include:

  • 2.2.a forces from direct contact can cause an object to move

    • Identify pushes and pulls (2-G.1)
    • How do mass and force affect motion? (2-G.2)

  • 2.2.b some forces, including gravity and magnetism, can cause objects to move from a distance

    • Identify magnets that attract or repel (2-H.1)
    • Label magnets that attract or repel (2-H.2)

  • 2.2.c forces have applications in our lives

Matter

• 2.3 The student will investigate and understand that matter can exist in different phases. Key ideas include:

  • 2.3.a matter has mass and takes up space

  • 2.3.b solids, liquids, and gases have different characteristics

    • Classify matter as solid or liquid (2-B.1)
    • Identify solids and liquids (2-B.2)
    • Classify matter as solid, liquid, or gas (2-B.3)
    • Identify solids, liquids, and gases (2-B.4)
    • Sort solids, liquids, and gases (2-B.5)

  • 2.3.c heating and cooling can change the phases of matter

    • Changes caused by heating and cooling (2-C.)
    • Change-of-state diagrams: solid and liquid (2-C.1)
    • Change-of-state diagrams: liquid and gas (2-C.2)
    • Change-of-state diagrams: solid, liquid, and gas (2-C.3)
    • Heating, cooling, and changes of state: melting and freezing (2-C.4)
    • Heating, cooling, and changes of state: vaporizing and condensing (2-C.5)

Living Systems and Processes

• 2.4 The student will investigate and understand that plants and animals undergo a series of orderly changes as they grow and develop. Key ideas include:

  • 2.4.a animals have life cycles

    • Read animal life cycle diagrams (2-J.1)
    • Construct animal life cycle diagrams (2-J.2)
    • Compare different animals' life cycles (2-J.3)

  • 2.4.b plants have life cycles

    • Read and construct flowering plant life cycle diagrams (2-K.3)

• 2.5 The student will investigate and understand that living things are part of a system. Key ideas include:

  • 2.5.a plants and animals are interdependent with their living and nonliving surroundings

    • How do gray squirrels change the forest to meet their needs? (2)
    • Identify living and nonliving things (2-I.1)
    • Pollinator: ruby-throated hummingbird (2-J.4)
    • Pollinator: Indian flying fox (2-J.5)
    • Pollinator: painted lady butterfly (2-J.6)
    • Seed disperser: Eurasian red squirrel (2-J.7)
    • Seed disperser: African elephant (2-J.8)
    • Seed disperser: common ostrich (2-J.9)

  • 2.5.b an animal's habitat provides all of its basic needs

    • Where do dromedary camels and polar bears live? (2-L.)

  • 2.5.c habitats change over time due to many influences

Earth and Space Systems

• 2.6 The student will investigate and understand that there are different types of weather on Earth. Key ideas include:

  • 2.6.a different types of weather have specific characteristics

    • Describe the weather (2-N.)

  • 2.6.b measuring, recording, and interpreting weather data allows for identification of weather patterns

    • Use climate data to make predictions (3-S.7)
    • Use data to describe U.S. climates (3-S.8)
    • Use data to describe world climates (3-S.9)

  • 2.6.c tracking weather allows us to prepare for the weather and storms

    • Severe weather: blizzards (2-N.)

• 2.7 The student will investigate and understand that weather patterns and seasonal changes affect plants, animals, and their surroundings. Key ideas include:

  • 2.7.a weather and seasonal changes affect the growth and behavior of living things

  • 2.7.b wind and weather can change the land

    • Changes to Earth's surface: erosion (2-P.5)

  • 2.7.c changes can happen quickly or slowly over time

    • Classify changes to Earth's surface (2-P.1)
    • Find evidence of changes to Earth's surface (2-P.2)
    • Changes to Earth's surface: earthquakes (2-P.3)
    • Changes to Earth's surface: volcanic eruptions (2-P.4)
    • Changes to Earth's surface: erosion (2-P.5)

Earth Resources

• 2.8 The student will investigate and understand that plants are important natural resources. Key ideas include:

  • 2.8.a the availability of plant products affects the development of a geographic area

  • 2.8.b plants provide oxygen, homes, and food for many animals

    • Classify fruits and vegetables as plant parts (2-K.1)

  • 2.8.c plants can help reduce the impact of wind and water