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“After we added more track we were able to slow down the marble’s acceleration. spheres of same shape and size but of different chemical compositions (industrial grade. 13-15): Explains Newtons Law Gravity Experiment. “The hardest part was trying to make the marble stop without ripping the paper,” Luke Mooty said. experiment, Gravity control, Signature of Gravity, Mass Scaling. (5-ESS1-1), (5-ESS1-2) Background Knowledge A Black Hole Is Not a Hole by Carolyn Cinami DeChristofano (pp. “It’s been great seeing them use their creative-thinking skills and scientific knowledge to excel at the different challenges.”įor the final challenge, students had to build a roller coaster with one large and one small hill, an S-turn or loop-the-loop, and track space for the marble to hit and topple over a paper cup.
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“They needed to figure out how to move the marble up a hill and make sharp turns without pushing it along,” Neill said. Students could also use tape to secure lengths of Styrofoam piping, and attach their tracks to any objects in the classroom, including tables, paper towel dispensers, chairs, and filing cabinets. Neill said the level changes could include ramps, drops, or valleys. Science Kids Friction Lab - How Does the Type of Material Affects the.
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The second challenge asked students to design a track that changed levels at least five times, made a U-turn, and came to rest at a tissue barricade without tearing the paper. Wallburg Elementary School serves K-5th grade and is part of Davidson County. “I never knew it this all had to do with force, acceleration, and velocity.”Īfter understanding the differences between net force, gravity, and friction, as well as how an object gains and loses speed, students were given the task of designing roller coaster tracks that successfully hold a rolling marble from start to finish.įor the first challenge, the marbles had to clear three hills and single loop-the-loop without falling off. “It’s really neat to see the marble gain speed and complete a loop, but then slow down when it’s just moving straight along a track,” Emily Lichty explained. Marbles rolled across the floor as students scrambled to secure connections and fine-tune turns.įor the past few days, students in Ellen Neill’s fifth-grade science class have been studying physics concepts, and how the laws of motion propel a marble along a roller coaster track.