Arizona

3.P Physical Sciences

• 3.P2U1.1 Ask questions and investigate the relationship between light, objects, and the human eye.

• 3.P2U1.2 Plan and carry out an investigation to explore how sound waves affect objects at varying distances.

• 3.P4U1.3 Develop and use models to describe how light and sound waves transfer energy.

3.E Earth and Space Sciences

• 3.E1U1.4 Construct an explanation describing how the Sun is the primary source of energy impacting Earth systems.

3.L Life Sciences

• 3.L1U1.5 Develop and use models to explain that plants and animals (including humans) have internal and external structures that serve various functions that aid in growth, survival, behavior, and reproduction.

  • Human organs and their functions (3-K.8)
  • Identify plant parts and their functions (3-L.2)
  • How do flowering plants make new plants? (3-L.5)
  • Animal adaptations: beaks, mouths, and necks (3-N.2)
  • Animal adaptations: feet and limbs (3-N.3)
  • Animal adaptations: skins and body coverings (3-N.4)

• 3.L2U1.6 Plan and carry out investigations to demonstrate ways plants and animals react to stimuli.

• 3.L2U1.7 Develop and use system models to describe the flow of energy from the Sun to and among living organisms.

  • Identify roles in food chains (3-P.3)
  • How does matter move in food chains? (3-P.4)
  • Interpret food webs (3-P.5)

• 3.L2U1.8 Construct an argument from evidence that organisms are interdependent.

  • Benefits of group behavior: North American caribou (3-K.5)
  • Benefits of group behavior: African wild dogs (3-K.6)
  • Benefits of group behavior: leaf-cutter ants (3-K.7)