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Subject:
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Science
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Grade:
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K-4
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ICLE Standards:
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Science as Inquiry - Develop abilities necessary
to do scientific inquiry.
Earth and Space Science - Develop an
understanding of properties of Earth materials.
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Performance Task:
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This task requires you to perform a scientific
experiment and observe how various sized particles settle when they are suspended in water. You will need some sand, soil, gravel,
pebbles, and a clear one-liter plastic soda bottle. Place an equal amount of the sand, soil, gravel, and pebbles (about
1/2 cup of each) in the plastic bottle. Fill the bottle with water to about 2 cm from the top. Shake the container
vigorously so that the materials are very well mixed in the water. Place the bottle on a solid surface and
observe how the four different types of particles settle. Make a chart and record the order in which the four types
of particles settle. In your science journal, write a brief summary of your experiment and state any conclusions
that you can make from your observation.
Note to the teacher: You may wish to relate this inquiry to the formation
of layers on the ocean's floors.
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Knowledge / Skills:
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Know and apply the principles of scientific
inquiry. (s114)
Identify the factors affecting the deposition of
particles (e.g., size, shape, density, and velocity) and analyze the
sorting of sediments in a system.
(s89)
Use writing as a tool for learning in formats
such as learning logs, laboratory reports, note-taking, and journals. (ela40)
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Rubric:
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4 Points =
The student properly sets up the experiment. His/her conclusions
show an understanding of the sedimentation process.
3 Points = The student requires some coaching to
set up the experiment. He/she appears to understand the sedimentation
process, but has difficulty expressing himself/herself.
2 Points = The student requires much coaching to
set up the experiment. He/she shows little understanding of the
sedimentation process and is unable to make any conclusions from his/her
observations.
1 Point = The student does not complete the task and shows no
understanding of the sedimentation process.
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Keywords:
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EARTH SCIENCE
SCIENTIFIC INQUIRY
JOURNALS
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Grades:
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Kg [X] - 1 [X] - 2 [X] - 3 [X] - 4 [X] - 5 [] - 6 [] - 7 [] - 8 [] - 9 [] - 10 [] - 11 [] - 12 []
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ICLE Application:
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D
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© 2000 International
Center for Leadership in Education
1587 Route 146 - Rexford - NY - 12148
518.399.2776 Fax: 518.399.7607
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