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Experiment with flight! Make bright helicopters and toss them into the air. Can you make them fall faster? Slower? Spin wildly? Gravity and friction have never been so much fun!
What happens when you throw a ball or sweatshirt in the air? It always falls back to the Earth. Maybe you noticed that some things return a lot faster than others. Two forces are at work when you toss things up: gravity, the force that keeps drawing things back to the Earth and friction, the force that slows movement. Here's a fascinating science experiment that students can try again and again.
With Crayola® Scissors, students cut a sheet of paper into four strips across the paper’s width. These strips become the Rainbow Rotors.
Students save one strip for test purposes. Fold the remaining three in half across their widths. Open the fold. From one end, cut a slit down the center lengthwise almost to the fold. Cut each piece this way.
At the fold, cut one third of the way into each strip. Fold both sidepieces into the center panel to form a long tail in the center of this end of the strip. Bend about one-third of the end up toward the middle. Repeat with the other two Rainbow Rotors.
Students decorate all four strips, on both sides, with Crayola Rainbow Twistables. Ask them to think about the shapes and how rotors will spin. Refold any folds.
Students work in teams to experiment with Rainbow Rotors. Use a stopwatch, video camera, or other technology to record investigations.
Students throw the uncut strip in the air. Watch how it falls to the ground. Does it spin? Fall end to end? How long does it take to reach the floor?
Next, students toss the folded pieces, one at a time. What happens to them as they fall? Do they move in a different way than the first paper? How long do they take to reach the floor? Record the differences and similarities of each flight. Ask students to explain what happened.
Ask students to write a summary paragraph reflecting what they learned in this experiment.
Explore how Lane Smith’s illustrations contribute to the mood created by the words of Jon Scieszka in their book, The Ma
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Our crayons have been rolling off the assembly line since 1903, and you can see how it’s done.
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