K–8 Science · Complete scope
Life Science.
How living things are built, grow, interact, and change over time — from the cell to the ecosystem to inheritance and evolution. Reading passages, investigations, and printables across the grades.
What makes something alive — structures, life cycles, and the systems inside living bodies.
The building blocks of life — cell structure, photosynthesis, and the world of microorganisms.
How living things depend on one another and their environment, and the human impact on both.
Why offspring resemble their parents — traits, genes and DNA, and reproduction.
How species adapt and change over time through natural selection, and how we classify life.
Life science at work — conservation, agriculture and biotech, and human health.
In depth
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