It naturally falls to the ground, which causes the paper to bend slightly upward due to lift. When your paper helicopter falls, air pushes up against the blades with equal force, and the shape causes the copter to spin. This is because the blades are designed so that the incoming air is...
Crossword and word search with engineering vocabulary. Engineering vocabulary cards Design a one-of-a-kind invention and write about it with this 5-page activity! Pin Post navigation PreviousRecycled Paper Earth Project Next Yarn Flowers We have a PASSION for SLIME, and are dedicated to helping ...
No amount of talk of contracts and publishers reserving the right and blah blah blah ever convinced them that I was not being willful and obstreperous. Their eyes would glaze and they’d walk away. They weren’t happy. I wasn’t happy. There was SO MUCH UNHAPPINESS! But now, at long ...
Stacked Cups: Create a pyramid of plastic or paper cups to topple. Domino Runs: Use your air cannon to start a chain reaction with dominoes. Pin How Does an Air Cannon Work? An air vortex cannon may be simple to make, but it’s packed with fascinating science! Hands-on activities like...
STEP 4: Stand up one toilet paper tube and attach to table, and use your remaining coaster pieces to connect all three of your ‘towers’. Pin STEP 5: You might need to put some smaller pieces of coaster ramp to keep the marble from falling off corners. Adjust as needed. ...