Lots of ides for using polystyrene cups in the classroom...particularly like the food chain and timeline ideas!
Teaching: STEM subjects
Have the students actually make a chain to glue their food chain to!
Science 1: Food Chains
Free worksheet website-food chain pyramid color sheet-great for Kindergarten to introduce concept on up
Teachers Pet - FREE Classroom Display Resources for Early Years (EYFS), Key Stage 1 (KS1) and Key Stage 2 (KS2)
Food Chains allows your class to have a hands-on experience learning the food chain for six different habitats.
Here's an interesting food chain activity. Discuss interdependence. Animals need plants for food, shelter, shade... and plants need animals for fertilizing soil, dispersing seed.
Food Chain Collage - such a great way integrate science and art. Fun extension for Project Learning Tree's Web of Life activity.
...a Who Eats What food chain worksheet and then made a stacked food chain collage...