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Excavators can help tear things down. This excavator tears down an apartment building. It stretches out its long arm. It pulls pieces apart. Workers spray water on the building. This helps keep down dust.

The spider excavator moves on legs instead of tracks. The legs can get longer or shorter. And they can reach out sideways. They help the excavator balance on uneven ground. A spider excavator can move anywhere, including the side of a mountain.

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Making Connections


Have you ever seen an excavator? What was it doing? If you haven’t seen one, where might you see one?


Have you read about another construction vehicle? How is it similar to or different from an excavator?


Different excavators are best for different jobs. How do other tools match their jobs?

Teacher Resources

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