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In this activity, learners investigate the history and development of agricultural biotechnology.

Learners smell balloons filled with different scents to guess what's inside. From this, they infer the presence and motion of scented molecules.

In this activity, learners investigate visual perception as well as plan and conduct their own experiments.

In this activity, learners investigate color vision as well as plan and conduct their own experiments.

In this four-part activity, learners explore how the body works and the chemistry that happens inside living things.