Compare the bones of a chicken and a cow. Which is heavier? Which is smaller? Why is one lighter and smaller?
Take two papertowels. Spread shortening on one. Then pour water over the towels? Discuss how feathers protect birds against water and the elements.
Print this picture: http://www.charleyharperartstudio.com/index.php?main_page=product_info&cPath=17&products_id=189 or http://grainedit.com/wp-content/uploads/2009/03/the_public_trust-charley_harper.jpg – and circle the birds you can find. Try identifying the birds you see.
Check out Jennifer’s collection of Bird video clips.
Paint with feathers. Check out Michelle’s project.