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1. Pyramid (www.instructables.com/id/Geometric-Shapes)
2. catapault (http://www.instructables.com/id/Pyramid-Catapult/)
3. Slingshot rocket (http://www.instructables.com/id/Teach-Engineering-Slingshot-Rockets/)
4. Cork Launcher (http://www.instructables.com/id/Cork-Shooter/)
5. no glue bow and arrow (http://www.instructables.com/id/No-Glue-Bow-and-Arrow/)6. extending grabber (http://www.instructables.com/id/Extending-Grabber/)
7. Bridge/trusses (http://www.instructables.com/id/Teach-Engineering-Truss-Bridges/)

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Junkbox Science Lesson Plans 2017_TJohnson

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1. Polymers (baggies, water, pencils) and a diaper
2. Air pressure -Vinegar/water/balloons
3. Air pressure - Carbonation and mentos (need Soda Stream)
4. Movement - Zip line (string/yarn, straws, balloons)
5. Mummies - salt water -- apples, gummy bears
6. Fingerprinting - cocoa powder, brushes, tape
7. What is it? Mixtures - cornstarch/water; borax/glue
8. Variables - change amounts of flour, sugar, salt, baking soda in several ways -- how do they bake differently?

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Science Experiments and More Lesson Plans 2017_TJohnson

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1. Triangle Slinger/Catapault (http://www.instructables.com/id/Triangle-Slinger/)
2. Tornado Towers (http://www.instructables.com/id/Tornado-Tower/)
3. Craft Stick Mouse Trap (http://www.instructables.com/id/Craft-Stick-Mouse-Trap/)
4. Crash Test Cars (http://www.instructables.com/id/Teach-Engineering-Crash-Test-Racers/)
5. Advanced Bow and Arrow
((http://www.instructables.com/id/Bow-and-Arrow-2/)
6. Mechanical Hand (http://www.instructables.com/id/Mechanical-Hand-4/)
or Robotic Hand
(https://www.instructables.com/id/Robotic-Hand-Science-Project/)
7. Double Catapaults (http://www.instructables.com/id/Mini-Siege-Engines/)

Golf Course Challenge Ideas

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Junkbox Science II Lesson Plans 2017_TJohnson