Does it eat?
Does it need air?
Does it grow?
Does it reproduce?
Students must prove that something is living by talking as scientists, "I know it is living because it eats, it can grow, it needs air, and it can make more of itself (reproduce)." Students will sort using the freebie below! I usually print it at 85% and cut it down so they can put it in their science notebooks. The second page is doubled up for easy printing.
Get it here------> Living/ Non-Living Picture Sort