Using science experiments to demonstrate some of the challenges our planet is facing, this box highlights how we can also help protect it. Acidic Oceans - explore the impact of CO2 on our oceans. Greenhouse Effect - compare what happens when cress is grown in a greenhouse compared to on a windowsill. Amazing Anemometer - create an amazing anemometer for measuring wind speed. Biodegradable Packaging - test the difference between plastic and biopackaging. PLUS a collectable CO2 Molymod!