Test: 4th Grade Science

1.

Glen and his friend London are going sledding at a local park. There are two hills to choose from, "The Bunny Slopes," which are small hills and lots of flat surfaces, and "The Dragon," which is a steep hill and not for beginners. If London goes first and reaches the bottom and Glen crashes into him from behind on "The Dragon," what would happen to the motion of their sleds?

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Glen's sled would slow down or stop on impact, and London's sled would move forward.

Glen's sled would speed up on impact, and London's sled would stop.

Glen's sled would speed up on impact, and London's sled would move forward.

Glen's sled would move forward on impact, and London's sled would stop.

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