Once students have built, tested and redesigned their cars, have them race other groups, this will be a great opportunity to discuss why some cars may be faster then others. Allow students the opportunity to explore various sizes, styles and creations prior to stepping in and guiding their construction. Once students have analyzed the image and created their own procedure on how they are going to build the car, give them time to build. This activity is geared toward giving the students the opportunity to explore as well as solidify their understanding of: energy, forces and wheels.Įxplain to the students how they are going to build their race cars (do not give them precise measurements or requirements, simply show them the image of the completed rubber band car OR the following blueprint image.Īllow the students time to analyze the images and construct their own plan from those images. Now that the students have an understanding of simple machines and can identify some that are found around them, it is time to apply their understanding in a hands on activity. This time is also used to introduce forces, the key differences between a push and a pull, and also the connection to energy (potential and kinetic). Have students begin to understand the different types of simple machines and identify some that they may already know of. The Challenge: To build a car that moves under the power of rubber bands!Īn introduction to simple machines and where they can be found is essential.
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