THIS DAY IN SCIENCE: Tomb of King Tutankamun Open in 1922

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Seed Sort

Seed Sort

All tree flowers produce fruit that encases seeds. Tree seeds spread throughout the surrounding habitat in many ways. Some seeds stick to things, others bounce when they land, and some are even light enough to travel long distances with the air currents. Looking at...
Poppin’ Pine Cones

Poppin’ Pine Cones

Grade 3: Life Systems Contributed by: Ellen Webb On a hot summer day, take students for a walk near coniferous trees.  If you are in luck, you may hear the snapping sound of the cones popping open naturally to release the seeds.  Pinecone seeds must be released from...
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