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Learners follow a three-step process to start their own rock collection.

In this activity, learners create three-dimensional shapes by making some origami models of simple boxes and containers.

In this activity, learners use their imaginations and picture a scene in their heads.

In this activity, learners start their own field journal to better understand the wildlife in their area.

Learners construct a bird feeder from re-used materials. After hanging their feeder, they keep a journal about what birds visit the feeder.

In this activity, learners make a miniature greenhouse or "terrarium" to explore the greenhouse effect.

In this activity, learners map their world by drawing a plan of their bedroom.

In this nighttime, outdoor activity, learners keep a record of what they see in the sky by drawing constellations, the Moon, and making note of the weather and conditions each day.

Learners compare a life-size drawing of a Tyrannosaurus rex head and a full-size Sinornithosaurus body to understand that dinosaurs varied in size.

In this activity, learners explore mammal locomotion by constructing flipbooks.

Learners use simple materials to construct a model the Big Dipper. Learners hang the model from a doorway or ceiling and look up at it to see the constellation as seen from Earth.

In this activity, learners work in partners to create and exchange messages written in Braille. Learners use a Braille key and thumbtacks to write their messages in Braille.

In this activity, learners observe the moon each night for a month and draw their observations in a Moon Watch Log.

In this experiment, pairs of learners explore how cold water affects circulation. The mammalian diving reflex (MDR) slows circulation when the body is exposed to cold water.

Albert Einstein proved that space bends around anything that has mass. This activity uses Jell-O's ability to bend around objects as a model for space bending around planets and stars.

This three-part activity shows learners how to build three meteorology tools: a wind vane, a rain gauge, and a barometer.