Sand Cleaners Keep Our Beaches Clean
In Sand Cleanes Keep Our Beaches Clean, presenter and motorbike racer Grace looks at sand cleaners, which are used to pick up litter from beaches. The sand cleaner uses a rake to sieve the sand, removing litter and debris. This video is excerpted from BBC’s Grace’s Amazing Machines, a children’s show that introduces kids to some of the biggest, fastest, and most amazing machines in the world.
Lesson Express
Q: What allows the sand cleaner to clean up the trash so quickly?
A: The rake that can easily sift through the sand, collecting only the trash, helps clean the beach quickly.
Q: What two different kinds of motion have to take place to clean the sand?
A: The rake has to move up and down and the sand cleaner has to move forward at the same time.
Q: What might happen if we didn’t clean the sand?
A: The debris and litter would make our beaches unpleasant, and might also wind up in our oceans, harming sea life.
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In Machines That Get the Job Done, presenter and motocross racer Grace Webb looks at three useful machines: a tugboat, a backhoe loader, and a road sweeper. Whether allowing us to pull a massive ship, dig a large hole with ease, or keep our streets clean, each machine serves an important purpose. This video is excerpted from BBC’s Grace’s Amazing Machines, a children’s show that introduces kids to some of the biggest, fastest, and most amazing machines in the world.
In Machines That Get the Job Done, presenter and motocross racer Grace Webb looks at three useful machines: a tugboat, a backhoe loader, and a road sweeper. Whether allowing us to pull a massive ship, dig a large hole with ease, or keep our streets clean, each machine serves an important purpose. This video is excerpted from BBC’s Grace’s Amazing Machines, a children’s show that introduces kids to some of the biggest, fastest, and most amazing machines in the world.