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

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

In this activity, learners explore a bucket of sand and beach objects.

In this activity, learners make their own solar oven to bake s'mores and learn about how solar energy is absorbed on Earth.

In this outdoor, winter activity, learners find living green plants under the snow and determine the light and temperature conditions around the plants.