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In this activity, learners work in groups to plan and build large structures using recyclable materials they have brought from home. The lesson plan includes questions to ask learners about the...

In this activity, learners build a hot air balloon using just a few sheets of tissue paper and a hair dryer. Use this activity to demonstrate how hot air rises due to density and how the volume of...

In this experiment, learners design and build a model room in a shoebox and furnish it with tiny furniture. Then, learners put the room on a simple earthquake simulator to see what happens to the...

In this activity, learners build models of atoms and molecules, then consider their role in different phases of matter, density, and mixtures and solutions. The atomic models are made first from...

In this engineering activity (page 2 of PDF), young learners investigate how a wide base can make a building more stable. Learners use blocks or boxes of different sizes to construct stable towers....

In this activity, learners explore the relative sizes and distances of objects in the solar system. Without being informed of the expected product, learners will make a Play-doh model of the Earth...