Understand how fossils and rock layers tell us how the Earth has changed over long periods of time.
Understand that different systems in the human body (like the skeletal and digestive systems) work together to keep a person alive.
Understand the concept of density. Explore materials’ differences in density.
Understand that a wave has energy and is a repeating pattern with a specific length, frequency, and amplitude.
Explain how different engineering solutions have different impacts on people and the environment.
Understand the roles of energy and gravity in the water cycle.
Understand relationships between living things (organisms) and their environments (ecosystems).
Explain how we know that electrical, magnetic, and gravitational fields exist.
Use models to explain how heat transfers from hotter objects to colder objects.
Explore how transportation systems (like subways), communication systems (like TV), and structural systems (like buildings) work.
Understand how the ocean affects weather and climate.
Use data to understand how human activity affects global temperatures.
Understand how genes and environments affect the growth of living things (organisms).
Understand how atoms combine in many ways to make the substances that make up all living and nonliving things.