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This modeling activity allows learners to discover for themselves what Mendel uncovered in his famous pea experiments.

Learners manipulate opaque, sealed boxes and attempt to determine their interior structures. Each box contains a moving ball and one or more fixed barriers.

In this activity, learners explore how various energy sources can be used to cause a turbine to rotate.

This activity (located on page 2 of PDF) introduces learners to the real size of animals using nonstandard measurement.

In this activity, learners will examine a variety of seeds, describe them, and determine how they are dispersed.

In this engineering activity, learners design their own board games.

What does it mean to be alive? Is a cactus alive? Is a seed alive? Is the air we breathe alive? What are the necessary characteristics?

In this activity about the solar system, learners use various light sources to examine ice with different components to understand how NASA studies planets and moons from space.

In this activity, a group of learners work collaboratively to design and construct a paper model showing the evolution of an environment through multiple stages, from prehistory through the modern cit

In this math lesson, learners identify the relationship between the number of sides in a regular polygon and the number of struts needed to make each polygon rigid.

In this plant science activity, learners role play as vegetables and weeds competing for nutrients.