Ice Board
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You've completed the introduction to the anchor phenomenon!

Be sure to keep each student's Ice Board Worksheet accessible. They will add to it after each Mystery.

Teach Mystery 1 next: How could you win a tug of war against a bunch of adults?

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Image & Video Credits

Mystery Science respects the intellectual property rights of the owners of visual assets. We make every effort to use images and videos under appropriate licenses from the owner or by reaching out to the owner to get explicit permission. If you are the owner of a visual and believe we are using it without permission, please contact us—we will reply promptly and make things right.

Other
1950s Ice Sailing by Polygoon-Profilti (producent) / Nederlands Instituut voor Beeld en Geluid (beheerder)
All illustrations by Alex Kalomeris
Bicyclist on Lake Baikal by Konstantin Shishkin
Children Pulling Rope by LightField Studios
Chinese Porter with Wheelbarrow by William Alexander , used under Public Domain
Ice Board Overview by Jeff Brown
Ice Board Sailing by Jeff Brown
Ice Boating by Polygoon-Profilti (producent) / Nederlands Instituut voor Beeld en Geluid (beheerder)
Ice Sailing by George Grantham Bain Collection
Ice-Skaters, Hold And Maneuver A Sail As They Wind Skate On Lake Hopatcong by retrofootage
Lake Baikal Summer by Julia Kuzenkova
Lake Baikal Winter by Sergey Pesterev
Lake Baikal Winter Clouds by Katvic
Lake Baikal Winter View from the Air by kav38
Modern Ice Boat by Amy Johannson
Retired Senior Steering His Ice Boat by N. Mitchell
Skateboard by dashek
Skateboard with Shoes by dashek
Two People on Ice Boat by Everett Collection
Women Skate Sailing by unknown , used under Public Domain
World Map by U.S. Geological Survey/Department of the Interior/USGS , used under Public Domain
Print Prep
Activity Prep

The anchor phenomenon for this unit is a skateboard that has been modified to work on ice and be powered by the wind.

During the introduction, students generate observations and questions about the phenomenon and create an initial conceptual model to explain how the ice board works.

Students will gather clues during and after each lesson in this unit to help them improve their explanation. It is important to encourage students to recognize that even if they don't know the perfect answer yet, they are going to learn a lot throughout the unit and will have an opportunity to change or add to their first explanation.

Preview activity

Number of students:
Ice Board printout 1 per student
See-Think-Wonder printout 1 per student
The Biggest Magnet in the World printout
This will not be needed until Mystery 4.
1 per student
Prep Instructions

Before starting this lesson, review the unit Teacher Guide for an overview of the Invisible Forces Anchor Layer.

Set Up Your Classroom

Set up your classroom by creating a class "See-Think-Wonder" chart (the student version is linked above). We recommend using chart paper or a space on your board that won't be erased since you will revisit it throughout the unit.

Extensions
Download this Mystery to your device so you can play it offline: