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In this activity, learners make pykrete by freezing a mixture of water and a material like cotton wool, grass, hair, shredded paper, wood chips, or sawdust.

In this laboratory experiment, learners explore how effectively different sunscreens protect yeast cells from damage caused by ultraviolet (UV) radiation.

Learners create a small explosion by collecting hydrogen and oxygen gas together and squeezing them into a flame.

Water treatment on a large scale enables the supply of clean drinking water to communities.