excavation

Bulldozers are used to push piles of rocks and dirt. The biggest bulldozers are used for mining. Learn more about these machines in Bulldozers, part of the Monster Machines series.

Dump trucks haul piles of dirt and rocks in their boxes. The biggest dump trucks can carry more than 490 tons of rocks or dirt. Learn more about these machines in Dump Trucks.

Excavators are used to dig holes and lift heavy things. They use tracks to move along dirt roads. Learn more about these machines in Excavators.

Photographs and simple text introduce young children to construction equipment and machines that are responsible for digging, dumping, and pushing large quantities of dirt and other materials around work sites.

Outside Valleby's church, an extensive excavation is underway. For two weeks archaeologist Sofia Winge and her assistant Waldorf Eriksson have been digging feverishly to see if there is anything valuable hidden in the ground. On the last day they find lots of silver coins, probably from the Viking Age. Then, when signs of intruders are discovered, yet nothing appears to have been stolen, it is up to the team to figure out what is happening.

Simple text and photographs describe what diggers and cranes are, and discusses the different jobs the machines can accomplish.

Simple text and illustrations help young readers explore how excavators are used on construction sites.

"At the beach, a boy digs a tunnel where he finds a crab, starfish, and best of all, a dog"--Provided by publisher.

Explores the engineering challenges behind building tunnels, as well as the creative solutions found to overcome those challenges.

Vibrant photos and age-appropriate critical thinking questions help young readers build nonfiction learning skills and learn about backhoes.