![]() Provide each team with their materials.Does friction impact the design in addition to force?.What might make one car go faster than another?.Before instructing students to start brainstorming and sketching their designs, ask them to consider the following:.If time allows, review “Real World Applications” prior to conducting the design challenge. ![]() Review the Engineering Design Process, Design Challenge, Criteria, Constraints and Materials.Discuss the topics in the Background Concepts Section.Hand out the Design a Rubber Band Racer worksheet, as well as some sheets of paper for sketching designs.Source: YouTube – Smithsonian Science Education Center Friction is the force that holds back the movement of an object. Speed refers to how fast an object is moving. Velocity refers to how fast an object is moving in a particular direction. Source: YouTube – Idaho Public Television Channel, PBS Science Trek Learn about Sir Isaac Newton’s laws of force and motion at the amusement park. He based his design on the Amazing Rubber Band Cars book by Mike Rigsby. ![]() His design used 80+ layers of cardboard, about 1 1/2 gallons of glue, and six 84-inch x 1-inch rubber bands. Have you ever seen an adult-sized rubber band car? (Video, 0:34)Īt the 2007 Maker Faire™ in Austin, TX, Brian Watt demonstrated his experimental, adult-sized, rubber band car. ![]()
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