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Measuring Rain With a Rain Catcher
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Suggested Grades
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6+ |
Objective
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Students will make a rain catcher and examine and graph rain levels
within one month to calculate the average percipitation at their home.
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Materials
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- marbles or rocks for bottom of rain catcher
- ruler
- plastic bottle
- scissors
- extra fine point marker
- tape
- water
- graphing paper
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Method
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- Have students cut the top off the bottle so that the width is
the same as the base.
- Tape a ruler on the side of the bottle and using an extra point
permanent marker, mark off each centimetre (millimetre if your class
can handle it).
- Put some marbles or rocks at the bottom of the bottle (this will
prevent the rain catcher from tipping or blowing away). Turn the top
upside down and tape it inside the bottle.
- Pour some water into the bottle to the first marking, so that
everyone starts at the same level.
- Tell children to place their rain catcher in a not so busy area
in their yard at home. Ask them to check their rain catcher every
morning. When there is some water in it, record the level and bring
it to school. (dump the water out so a new recording can be made the
next morning). At school, have the children record their rain level
with the day's date on their own graph.
- After a month of recording, add up all of the rain levels and
figure out the average precipitation.
- Extension: Compare the
average precipitations with those around the world (use the internet
or look in climate atlases).
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Additional Resources
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Internet Resources
Weather Office |
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