Biology - Living Things - Living vs non-living things - Alive or Not?

A fun quiz where students are shown 8 images one at a time (a dog, a rock, a flower, a toy car, a bird, a glass of water, a tree, a crayon) and asked 'Is this alive?' with two big buttons: 'YES - It's Alive!' and 'NO - Not Alive!'. No teaching yet - just let them guess based on intuition. At the end