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Purpose

Glaciers are slow-moving masses of ice that exist where more snow falls than melts. They occupy about 10% of the Earth’s land, mostly in Greenland and Antarctica. Here, glaciers can be as much as 2 miles thick and weigh more than millions of tons. As they move, glaciers can widen and deepen valleys, flatten forests and grind boulders

Purpose

To apply prior knowledge of chemistry to the acidification of our oceans. This can be a computer lab or library based activity

Procedure

1. Set up a glass tank in your classroom and grow a population of algae in water. Local pet supply stores will most likely give you some for free from their fish tanks! 2

Introduction

Join the International Sun Shadows Project! - Pupils and teachers all over the world will join forces to measure the shadows of a 1m long stick. Participation in the project is free and open to all! Teachers, students and scientists from around the world are encouraged to join in and make their own measurements and enter the data