Sand Cleaners: Keeping Our Beaches Clean
In Sand Cleaners: Keeping 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.
More Like This
In Machines That Get the Job Done: Tugboats, Backhoe Loaders, and Street Sweepers, 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: Tugboats, Backhoe Loaders, and Street Sweepers, 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.