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Module 1 • Arctic Exploration: Case Study: Fact Finder
Activity 1-7.1
Icy Sculptures
Activity Level:
experience
Procedure:
Subject Areas:
1. If available, bring a dishpan of snow into the classroom. Gather
science, social studies,
everyone around it, and ask students what they know about snow.
technology
Record observations. Ask questions like: What is snow? How was
it formed? Are there different kinds of snow? Do you know any
names for different kinds of snow? Does snow change throughout
Objectives:
the winter? Could snow help you stay warm?
Students will:
- Learn how snowflakes
Note: For answers to many of the common questions about snow
are formed.
go to the Snow-It-All page in the Snow section of Investigate in
- Identify specific attri-
Logistics at PolarHusky.com.
butes found in the six
2. Ask students if they have ever heard it said that no two snowflakes
basic shapes of snow
are alike. Do they think this is true?
crystals.
- Become aware that the
Watch the movie The Snowflake Man available in Classroom
shapes of snowflakes
Movies of the Scrapbook in Explore at PolarHusky.com.
reflect climates.
3. Talk about where snowflakes come from—that they are created
- Be introduced to the sci-
in the clouds when water vapor freezes on a particle of dust or
ence and photography
another solid material, and that their size and shape depend on
of snowflakes.
how cold it is and how much water is in the air (humidity). Each
flake reflects the weather conditions at the exact time of its mak-
Time Consideration:
ing (atmospheric conditions). We can think of snowflakes as kind 45 minutes
of a “cloud diary.” By studying snowflakes we can actually learn
about climate.
Materials:
4. Pass out Student Page 1-7.1 “Art of a Snowflake,” or project the
- Student Page 1-7.1
images. Share with students that while Team GoNorth! is traveling
“Art of a Snowflake”
on the expedition, expedition leader Paul Pregont will be collecting
- Teacher Notes 1-7.1
snowflakes, or crystals, which will then be shipped back to NASA.
“Grow a Snowflake”
(Make sure they know what NASA is: astronauts, the moon, etc.) - String
- Wide mouth pint jar
- Blue food coloring
(optional)
Additional Resources:
- Boiling water
http://snowflakes.barkleyus.com/ Make-a-Flake – Cut a snowflake
- Borax (available at
in a online environment, save it to your computer, or email it!
grocery stores in the
laundry soap section as
http://www.ars.usda.gov/is/kids/environment/story2/snowflake-
frames.htm Let it Snow – Meet Eric Erbe and learn how scientist
20 Mule Team
®
Borax
take images of snowflakes.
Laundry Booster)
http://www.usps.com/communications/news/stamps/2006/sr06_045.
Vocabulary:
htm 2006 Holiday Snow Flake Stamps – Check out the four
39-cent stamps featuring photographs of snowflakes from the
crystal, water vapor,
U.S. Postal service.
climate, classify, NASA
http://snowflakebentley.com/match.htm Match the Flakes
– Reveal the flakes and match them up in this quick online game Continued on page 30
PolarHusky.com
© NOMADS Online Classroom Expeditions GoNorth! Chukotka 2007 Curriculum 29
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