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Make a Balloon-powered Nanorover
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In this activity, learners build a nanorover model using styrofoam meat trays and a balloon.
The Earth's Timeline
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In this group activity, learners will mark important developments of life on Earth on a timeline (each foot in length representing 200 million years).

Wetlands
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Learners create a model of a wetland to observe how it absorbs and filters water from the environment.

Capturing Homemade Microgravity
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This activity (page 2 of the PDF under SciGirls Activity: Microgravity) is a full inquiry investigation into how ordinary things behave in microgravity, similar to what astronauts experience.

Morning Star and Evening Star
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This demonstration activity models how Venus appears from Earth.

Spectroscope
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In this activity (posted on March 12, 2011), learners follow the steps to construct a spectroscope, a tool used to analyze light and color.
Pepper Scatter
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In this activity, learners explore the forces at work in water. Learners experiment to find out what happens to pepper in water when they touch it with bar soap and liquid detergent.

Relative Speed of Dinosaurs
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In this activity, learners interpret three trackways and use measurements and a formula to infer the relative speed of dinosaurs.

Rubber Blubber Gloves
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In this experiment, learners work in pairs to create two gloves -- one that contains a layer of shortening (blubber) inside, and one that doesn't.

Rooftop Gardens
How does a green roof, or roof covered by plants, affect the temperature of the inside and outside of a building? Learners design and build houses to find out the answer.

Jiggly Jupiter
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In this activity, learners build edible models of Jupiter and Earth to compare their sizes and illustrate the planets' internal layers.

Weather and Climate: What's the Difference?
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This lesson plan enables learners to explore the differences between weather and climate.

How it is Currently Done
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In this quick activity, learners observe how wind creates ocean currents.

Atmospheric Collisions
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In this activity/demonstration, learners observe what happens when two ping pong balls are suspended in the air by a hair dryer. Use this activity to demonstrate how rain drops grow by coalescence.

Catch the Wind
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In this weather activity (page 1 of the PDF), learners will construct their very own anemometer to measure wind speed.

Wind Power: Creating a Wind Generator
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This lesson challenges groups of learners to design and construct a wind generator with the most electrical output.

3...2...1 Puff!
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In this activity, learners build small indoor paper rockets, determine their flight stability, and launch them by blowing air through a drinking straw.

Stream Table
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In this activity, learners use aluminum trays and wooden blocks to form stream tables to investigate river formations in two different landscape scenarios.

Terrestrial Hi-Lo Hunt
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In this outdoor activity, learners search for the warmest and coolest, windiest and calmest, wettest and driest, and brightest and darkest spots in an area.

Searching for Life
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In this activity, learners discuss how life is defined and conduct a simple experiment, looking for signs of life in three different “soil” samples.