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Why Doesn’t the Ocean Freeze?
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In this activity, learners explore how salt water freezes in comparison to fresh water.
Mystery Powders
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In this activity on page 2 of the PDF (Get Cooking With Chemistry), learners conduct chemical tests on certain powders used in cooking.
Exploring the Universe: Pack a Space Telescope
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Space telescopes can offer us better, clearer views of the universe (and of our own planet) than Earth-based telescopes can, but getting these large, delicate pieces of equipment into orbit is tricky.
Growing Plants: Track Their Growth
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In this activity, learners will be working with predictions with a time frame of one week, or longer. Start by planting seedlings.
Seismic Slinky!
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Did you know that a Slinky makes a handy model of earthquake waves?
Erosion and Floods
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In this activity, learners create models of erosion and floods and learn to recognize both in their environment.
Inkjet Printer
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In this activity, learners investigate how inkjet printers produce tiny, precise drops of ink.
Water Sphere Lens
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In this activity about light and refraction, learners make a lens and magnifying glass by filling a bowl with water.
What Shape Is It?
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In this activity, learners determine the shape of an unseen object by bouncing a ball off the object.
Metamorphosis Matching
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This is an activity where learners will compare the different metamorphosis stages of amphibians.
Evaporation
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This three-part activity consists of an activity that groups of learners develop themselves, a given procedure, and an optional demonstration.
Exploring Materials: Thin Films
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In this activity, learners create a colorful bookmark using a super thin layer of nail polish on water. Learners discover that a thin film creates iridescent, rainbow colors.
Seeing Your Retina
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In this quick optics activity, learners use a dim point of light (a disassembled Mini MagLite and dowel set-up) to cast a shadow of the blood supply in their retina onto the retina itself.
Catapult
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In this activity, learners construct their own small catapults using simple materials. Learners follow visual instructions to build their launching device.
Eddy Currents
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In this activity related to magnetism and electricity, learners discover that a magnet falls more slowly through a metallic tube than it does through a nonmetallic tube.
Cover Your Mouth
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In this health activity (page 3 of the PDF), learners will discover why covering their mouth and nose while sneezing is so important.
Program Your Morning
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In this activity, learners will explore coding by arranging words and phrases to create an order of operations in this low tech version of computer programming.
Make a Balloon-powered Nanorover
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In this activity, learners build a nanorover model using styrofoam meat trays and a balloon.
Strengthen a Paper Bridge
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In this quick activity (page 1 of the PDF under SciGirls Activity: Tug O' War), learners will test how many pennies a flat paper index card bridging the gap between two stacks of books is able to supp
Life Size: Line 'em up!
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In this activity on page 1 of the PDF, learners compare the relative sizes of biological objects (like DNA and bacteria) that can't be seen by the naked eye.