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In this activity, learners will use Google Sky to observe features of the night sky and share their observations.

The Chinese invented paper made from plants and cloth about 2,000 years ago. Learners follow a similar process to make paper from recycled paper.

In this activity about archaeology, learners will explore different Egyptian hieroglyphs and recognize their meanings and uses.

Coins are everyday objects which tell a lot about the people who use them.

In this activity, learners investigate the history and development of agricultural biotechnology.