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Answer Key
Grade 1 Science: Earth Materials & Land Changes
1.
rock, soil, sand, water (answers vary)
2.
plants
3.
sizes/colors/shapes
4.
rock
5.
erosion / weathering (intro)
6.
soil/dirt
7.
yes
8.
landforms / land shapes
9.
rock and soil (or sand, water)
10.
water, nutrients, a place for roots
11.
wash away soil or carve paths
12.
blow sand or soil to new places
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