Boulder facts for kids
In geology, a boulder is a large piece of rock measuring at least 25.6cm or roughly 10.1 inches in diameter or with a size value less than -8 on the φ particle size scale with no upper size limit.
Images for kids
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This balancing boulder, "Balanced Rock", stands in Garden of the Gods park in Colorado Springs, Colorado, United States.
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Boulder in British Columbia, Canada
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Kämmenkivi stone on the Pisa hill in Kuopio, Finland
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See also
In Spanish: Bloque (roca) para niños
Black History Month on Kiddle
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 | Jackie Robinson |
 | Jack Johnson |
 | Althea Gibson |
 | Arthur Ashe |
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Boulder Facts for Kids. Kiddle Encyclopedia.