发表于2025-01-22
Geology Rocks! 2025 pdf epub mobi 电子书
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Design, build, and test quake-proof houses; perform scratch, streak, cleavage, and "perc" tests -- just like real geologists; go on a geological scavenger hunt; create models to observe the effects of water, erosion, and acid rain. Kids are challenged to consider geology in relation to things they use and their daily decisions.
Geology Rocks! 2025 pdf epub mobi 电子书