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How do Sedimentary Layers Form?

This project shows one way that sedimentary layers are formed as sediments (mud and silt, sand, pebbles and rocks, other ) settle over time.How do sedimentary layers form?It is an educational content ...

Animal Tracks and Types of Soil

Squish, squash—who’s been stepping in the sand? Experiment with different types of soil and see how each type affectsan animal’s tracks.How does the shape of a track vary when imprinted in wet and dry ...

Erosion Experiment

Huff, puff and blow as hard as you can—do you think you can blow down a sand castle with your mighty breath? Blowing air erodes—wears away—sand and dirt. In Three Little Pigs, houses of straw or twigs ...

Hezkuntza-eduki gehiago eskuratu nahi dituzu?

Saioa hasi Egin bat eskola batekin
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Jokoaren laguntza
Juegos de anatomía
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