Perkins School for the Blind

Classification Line-up
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This activity was designed for blind learners, but all types of learners can use it to organize an interactive model for learning the classification system (taxonomy) of living things.

Conductors of Heat: Hot Spoons
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This activity was designed for blind learners, but all types of learners can use it to investigate how different materials vary in their conduction of heat.

Extruding
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This activity was designed for blind learners, but all types of learners can explore the process of extrusion used to produce pipes and wires in industry.

Casting and Molding
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This activity was designed for blind learners, but all types of learners can explore the process used to cast and mold molten metal, glass, and plastics.

The Three Basic States (Phases) of Matter
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This activity was designed for blind learners, but all types of learners can explore the three states of matter by examining tactile models that illustrate the characteristics of particles in each sta