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In this activity, learners will explore vegetative propagation while preparing food scraps to grow into plants.

In this four-day activity, learners grow bacteria and/or fungi from a variety of locations and compare the results.

Learners place cut flowers in colored water and observe how the flowers change. The flowers absorb the water through the stem and leaves.

Just like birds, some dinosaurs had air-filled (pneumatic) bones, which made the dinosaurs' skeletons lighter.

In this activity, learners build a model of a self-sustaining habitat (growing grass and beans from seeds).

This activity features two connected hands-on activities about dinosaur bones.

In this laboratory activity, learners design an experiment to evaluate how environmental factors influence the growth of molds.

In this four-part laboratory exercise, learners investigate properties of Tobacco mosaic virus (TMV) including (1) symptoms induced by the virus in susceptible plants at the macroscopic and microscopi