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This design challenge is an open-ended exploration of linkages, a group of parts connected by hinges, and the types of motion they can create.

This resource contains ideas and brief instructions on how to build animals out of construction paper and other simple materials.

In this activity about problem-solving, learners build a house for the Three Little Pigs using twenty straws and two index cards.

This activity investigates how bark beetles can threaten forests by having learners estimate the number of infected trees from a photo.

In this activity, learners will build a bee hotel for pollinators. Learners will explore building and ecology through this activity.

In this activity, learners will discover how fossils are dug out of the earth by carefully exposing treasures hidden in an artificial rock that is easily made at home.