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In this activity (4th activity on the page), learners test to see if saliva is necessary for food to have taste.

In this chemistry activity, learners are asked to form a hypothesis about the behavior of milk as household detergents act upon it.

In this chemistry activity, learners use spaghetti to explore density and chemical reactions.

In this activity, learners test what happens when they put baking power on different frozen liquids.

In this chemistry demonstration, learners investigate the rule "likes dissolve likes" by combining three, immiscible liquids to create a colorful density column.

In this activity, learners discover that as the salinity of water increases, the density increases as well. Learners prove this by attempting to float fresh eggs in saltwater and freshwater.