Ground Up Worksheet
Name:		Date:
Radon is a radioactive gas that comes from the decay of uranium found in nearly all rock and soil types.
Radon moves from the ground up into homes and other buildings.
Read the following questions. Form a hypothesis in response to each question.
1. How does radon move up through rock and soil?
2. Examine rock and soil samples that are representative of the
local geology. Which rock and soil types might slow or block
radon's movement?
3. How might ground water or the moisture content of soil affect radon's movement?
United States	RadTown Radon Activity Set	EPA402 -B-19-053
Environmental Protection
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