This lesson explores how plants and animals inherit traits from their parents, how traits can vary within a species, and how environmental factors can influence an organism's characteristics.

Investigate the surprising sources of plant growth and track the movement of matter from the sun and soil through food webs.

Distinguish between inherited and acquired traits while exploring evidence of how organisms change over long periods of time through the fossil record and structural adaptations.

Explore how plants and animals inherit traits from their parents and how the environment can influence those traits through observations and evidence-based reasoning.

An introductory chemistry lesson based on Maya's discovery of atoms, bonds, and reactions, available in English and Spanish with hands-on practice.

A lesson exploring the advancements and ethical considerations of biotechnology, including cloning, genetic engineering, and designer genes, based on a visit to the Future Science Institute.

A comprehensive 100-question final review encompassing all domains of computer science covered in the sequence.

Students investigate and compare the atmospheric compositions of planets in our solar system, exploring how Earth's unique air supports life while analyzing the extreme environments of our celestial neighbors.