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Risk Continuum
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This activity is a whole-group kinesthetic demonstration that shows learners what it means to be in a "risk group" for developing heart disease based on family history and genetics.

Don't Stop for Hitchhikers
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In this activity, learners role-play the part of lake inhabitants and the aquatic exotics who displace the native species.

Wolf Limiting Factors
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In this activity, learners simulate a wolf and its habitat and observe what happens when the limiting factors change over time.
Pollution in Our Watershed
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By building a simple watershed with paper and markers and then using a spray bottle to simulate precipitation, learners will understand how pollution accumulates in our water sources, especially from

Why is the Sky Blue?
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In this activity, learners use a flashlight, a glass of water, and some milk to examine why the sky is blue and sunsets are red.

Standing in the Shadow of Earth
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This fun and simple hands-on astronomy activity demonstrates the shadow of the Earth as it rises as a dark blue shadow above the eastern horizon.

Virtual Farm Management
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This activity (located on page 3 of the PDF under GPS: Farm Animals Activity) is a full inquiry investigation into raising livestock.

Peanut Butter and Jelly Robot
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This is an activity about robotics programming. Learners will discover how precise programmers have to be as they instruct a friend to make a peanut butter and jelly sandwich.

Bird Beaks
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In this activity, learners investigate different types of bird beaks using household items which mimic different beak examples.

Build a Soundscape
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This is a virtual representation of a sound mixer containing pre-looped sounds of animal, insect, and environmental noises.
Bag of Bones
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In this activity, learners will use cereal to conduct an experiment and investigate how decreased bone density is related to increased risk of bone fracture.

Exploring Black Holes and Gravity
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This fun and simple hands-on astronomy activity lets learners imagine what would happen if our Sun were replaced with a black hole.

Model Well
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In this quick activity about pollutants and groundwater (page 2 of PDF under Water Clean-up Activity), learners build a model well with a toilet paper tube.

Generations of Traits
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In this hands-on activity, learners track and record the passage of colored "pompom traits" through three generations of gingerbread people.

Finding Fossils
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This activity (located on page 4 of the PDF under GPS: Baby Dinosaurs Activity) is a full inquiry investigation to determine the age of fossils based on where they are discovered.

Magnification vs. Resolution: Can you see the flag on the Moon?
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This fun and simple hands-on astronomy activity lets learners explore the difference between telescope magnification and resolution.

What Causes Pressure?
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In this kinesthetic activity that demonstrates pressure, learners act as air molecules in a "container" as defined by a rope.

Mystery of the Disappearing Cottonwoods
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Learners will explore the scientific mystery behind a disappearing group of trees by examining data and attempting to explain the decline.

Kid Machine
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This activity is on page 3 (continued on page 2) of the pdf, part of the Simple Machines Discovery Box. In this fun activity, learners "create" a complex machine by simulating the parts in action.

Spider Glider
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In this fun activity about spiders, learners build and design a spider from cardstock, straw, string, and pipe cleaners.