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

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

Learners will do an experiment to determine which type of paper is strongest while focusing on variables and collecting data.

Learners add acid rain (nitric acid) to two cups that represent lakes. One cup contains limestone gravel and the other contains granite gravel.

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

In this trick, learners discover how to stick a straw to the palm of their hand, window door, or anywhere using static electricity.

The "Rocket Reactions" activity is an exciting way to learn about how materials interact, behave, and change.