How cool are chromosomes? Read what Steve the savvy scientist has to say about chromosomes and genes before testing your knowledge with some fill-in-the-blanks.

Get to know your genes with Steve the savvy scientist! Genes help determine everything from your hair color to your height.

What is the purpose of a hard shell or a long neck? Discover different adaptations with this matching worksheet for second and third graders!

Have you considered why elephants have trunks, or why polar bears have thick fur? Reflect on animal adaptations with this fourth-grade worksheet!

Investigate the mystery of why two tomato plants developed so differently!

Ponder the pedigree of plants with this worksheet about inherited traits for upper elementary students!