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In this activity, learners observe how salinity affects the freezing point of water by making and enjoying ice cream.

In this activity, learners mix several sugar solutions to investigate the property of density. Each sugar solution has a different density and color of the rainbow.

In this activity, learners use a model for how fishing affects marine life populations, and will construct explanations for one of the reasons why fish populations are declining.

In this challenge, learners figure out how to make a juice stain disappear.

In this outdoor, winter activity, learners find living green plants under the snow and determine the light and temperature conditions around the plants.