Learn about biodiversity and its impact on an ecosystem’s stability with this informative middle-grade worksheet.

Use this engaging worksheet to introduce students to the geologic time scale and the pieces of evidence scientists use to determine Earth’s history!

Reunite a family and their long-lost dog with the help of DNA testing in this middle-grade worksheet!

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

Explore the difference between natural and artificial selection with this engaging life science worksheet for middle grades!

An animal cell is made up of many different organelles—color them all in this middle-grade worksheet!