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Hot and Cold Facts - Slippery Ice
 
What makes ice slippery?
 

When water becomes frozen it changes from a liquid to a solid; called ice.

When ice is warmed up or if something presses hard on it, it begins to melt by becoming water (liquid) again.

 
 

If you try to pick up a piece of ice that has been left out of the freezer for a short period it begins to melt and a layer of water (liquid) forms on it making it very slippery and very difficult to pick up.

When an ice skate is presses hard against the surface of the ice it begins to melt and therefore the skates can then slide/glide along on the water (liquid).

 
 
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