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Where Are the Distant Worlds? Star Maps
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This fun hands-on astronomy activity lets learners use star maps (included) to find constellations and to identify stars with extrasolar planets (Northern Hemisphere only, naked eye).

Dunking the Planets
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In this demonstration, learners compare the relative sizes and masses of scale models of the planets as represented by fruits and other foods.

Sled Kite
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In this activity, learners build a sled kite that models a type of airfoil called a parawing.

Pinhole Viewer
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In this activity, learners discuss and investigate how cameras, telescopes, and their own eyes use light in similar ways.

Sidewalk Constellations
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In this activity, learners will go outside and create a constellation.

Make a Sun Clock: Tell Time with the Sun
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Before there were clocks, people used shadows to tell time. In this outdoor activity, learners will discover how to tell time using only a compass, a pencil, a handy printout, and a sunny day.

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.
Up, Up and Away with Bottles
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In this activity, learners make water rockets to explore Newton's Third Law of Motion. Learners make the rockets out of plastic bottles and use a bicycle pump to pump them with air.

How to View a Solar Eclipse
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This is an activity to do when there is a solar eclipse!

My Angle on Cooling: Effects of Distance and Inclination
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In this activity, learners discover that one way to cool an object in the presence of a heat source is to increase the distance from it or change the angle at which it is faced.

The Thousand-Yard Model
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This is a classic exercise for visualizing the scale of the Solar System.

Does the Moon Rotate?
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This fun and simple hands-on astronomy activity lets learners make 3-dimensional models of the Earth and Moon.

Rockets Away
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In this activity, learners build a simple "rocket" with ordinary household materials to demonstrate the basic principles behind rocketry and the principle of reaction.

Experiencing Parallax With Your Thumb
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In this activity, learners investigate parallax, a method used to measure distances to stars and planets in the solar system.

Chances Are: OH NO! Look Out Below for a UFO
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In this math lesson (on Page 13), learners predict and simulate the likelihood of an event occurring.

Solar System in My Neighborhood
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In this activity, learners shrink the scale of the vast solar system to the size of their neighborhood.

Stargazing
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In this nighttime, outdoor activity, learners keep a record of what they see in the sky by drawing constellations, the Moon, and making note of the weather and conditions each day.

Using a Simple Astrolabe
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In this activity, learners use an astrolabe to measure the altitude of objects. Learners will first practice taking measurements by measuring the altitude of trees and buildings.

The Size and Distance of the Planets
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In this activity, learners investigate the concepts of relative size and distance by creating a basic model of the solar system.

FlyBy Math: Distance-Rate-Time Problems in Air Traffic Control
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In this small-group activity, learners assume the roles of pilots, air traffic controllers, and NASA scientists to solve five Air Traffic Control (ATC) problems.