This amphibians worksheet has 3rd graders circle amphibian traits, sort eight animals into amphibian and non-amphibian columns, and explain their thinking. Answer key included for fast, no-prep science practice.

This living non-living frayer model worksheet has 3rd graders sort words, pick the best definition, and explain their thinking about living things. An answer key is included for quick, easy checking.

This living and non-living things compare and contrast graphic organizer asks 3rd graders to sort six facts about a cat and a chair into a Venn diagram. Answer key included for quick checking.

This sorting living and non-living things worksheet has 3rd graders sort eight words and compare a puppy with a robot dog. An answer key is included for quick, easy checking.

This why is it a living thing worksheet helps 3rd graders use evidence to explain what makes something alive, with vocabulary, clue sorting, and a short response. An answer key is included.