I need an idea for a science fair experiment!!!!!!!!?

Question

Something about how different or what changed frrom now and 100 years ago

Answer 1

glacier national park is a really good example of whats changed, you can see a major change in just the last 15 years. lota websites with chronilogical pictures showing how the glaciers are melting.....

Answer 2

you could make a fake volcano. and show the people how the dinosaurs died

Answer 3

coastal errosion would be the best example of what has changed since then i live in southern louisiana and the coast line has changed drastically over time due to errosion and will continue

Answer 4

evolution has changed