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

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.

Sit down for a fun science lesson with Steve the savvy scientist as he teaches you all about dominant and recessive genes!

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

Can you identify the difference between inherited and acquired traits?

Explore humans’ inherited traits with this fun science worksheet!