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Excavator
Children understand that an excavator is a construction vehicle that digs and carries soil, and that it works using its arm, bucket, and crawlers
An excavator is a vehicle that works at construction sites. It scoops up soil and sand with its big bucket. It is good at digging the ground.
💬 What kind of vehicle is an excavator?
🤔 What is the excavator scooping up?
An excavator has a long arm. At the end of the arm, there is a bucket. It moves its arm to scoop up the soil.
💬 The long arm and bucket
🤔 Which part scoops up the soil?
Under the excavator, there are crawlers. Crawlers are like long belt-shaped feet. They help it move slowly, even on bumpy ground.
💬 It moves on crawlers
🤔 How are they different from the tires on ordinary cars?
Excavators work at construction sites. Sometimes they scoop up soil and put it into a dump truck. Near working vehicles, we watch safely together with an adult.
💬 Working safely at a construction site
🤔 How can we stay safe near an excavator?