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Learners explore water's property of cohesion through two investigations.

In this activity about water's cohesive and adhesive properties and why water molecules are attracted to each other, learners test if objects repel or absorb water.

Learners explore how the attractive forces between water molecules create surface tension and allow certain objects to float on the surface of water.

Water sticks to all kinds of things in nature — flowers, leaves, spider webs - and doesn't stick to others, such as a duck's back.