3rd Grade

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

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

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

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

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.

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.