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Showing results 1 to 14 of 14
Rate It: Working With Zero and Negative Numbers
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In this activity, learners will rate the day, a book, or something else on a scale from -2 to 2. This activity works well for groups of all ages.

Earth Walk
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In this hands-on and feet-on excursion, learners take a science walk to visualize the planet's immense size and numerous structures, without the usual scale and ratio dimensions found in most textbook

Probability: Chances Are
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In this math lesson, learners identify the likelihood of an event by using a walk-on probability scale.
Sea State: Forecast Conditions at Sea
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In this oceanography and data collection activity, learners cast real time sea state conditions using buoys from NOAA's National Data Buoy Center.

Blazing the Trail
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In this math lesson, learners estimate distances between landmarks and use a map and scales to determine the actual distances.

Scaling an Atom
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In this activity, learners make a scale model of an atom to see how big or how small an atom is compared to its nucleus. Learners will realize that most of matter is just empty space!

Gummy Growth
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In this activity related to Archimedes' Principle, learners use water displacement to compare the volume of an expanded gummy bear with a gummy bear in its original condition.

Incredible Shrinking Shapes
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In this activity, learners get hands-on experience with ratios and scaling while making their own jewelry out of recycled plastic containers.

Modeling Limits to Cell Size
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This investigation provides learners with a hands-on activity that simulates the changing relationship of surface areas-to-volume for a growing cell.

Atmosphere Composition Model
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In this activity, learners create a model using metric measuring tapes and atmosphere composition data.

Dripping Wet or Dry as a Bone?
Learners investigate the concept of humidity by using a dry and wet sponge as a model. They determine a model for 100% humidity, a sponge saturated with water.

Super Soaking Materials
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In this activity, learners will test cups full of potting soil, sand, and sphagnum moss to see which earth material is able to soak up the most water.

Gecko Feet
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This is an activity (located on page 3 of PDF under Gecko Feet Activity) about modeling a nanoscale phenomenon (gravity-defying gecko feet) with macroscale objects (shoes).

Stabilization Wedges Game
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This game introduces learners to the scale of the greenhouse gas problem, plus technologies that already exist to dramatically reduce our carbon emissions and prevent climate change.