Machines at Work

Zoom! A huge plane is flying overhead! Learn more about the different types of airplanes, from passenger jets to cargo planes. Additional features to aid comprehension include a table of… More →

Smash! A massive bulldozer flattens a building! Learn more about how bulldozers move over any surface, and find out what they are used for. Additional features to aid comprehension include a… More →

Buzz! A worker in a cherry picker cuts a power line high above the trees! Learn more about how cherry pickers work and what they are used for. Additional features to aid comprehension include More →

Whirr! A concrete mixer's drum spins round and round! Learn more about why these big machines never stop moving. Additional features to aid comprehension include a table of contents,… More →

Clank! A crane drops a steel beam on top of a skyscraper! Find out more about wrecking balls, heavy loads, and other things a crane might lift. Additional features to aid comprehension… More →

Boom! A digger picks up a huge boulder and drops it a few feet away! Diggers come in all shapes and sizes--learn more about how they work and what they are used for. Additional features to… More →

Beep! Beep! A huge dump truck backs into a construction site! Learn more about the loads they carry and how they dump them. Additional features to aid comprehension include a table of… More →

Wee-ooo! A fire truck speeds past! Learn about the emergencies fire trucks are used for, and what makes them so important. Additional features to aid comprehension include a table of… More →

Crunch! A garbage truck picks up a trash can and empties it! Learn more about the different types of garbage trucks, and find out what happens when you take out the trash. Additional features More →

Whizz! A tow truck pulls a car out of a ditch! Find out how different kinds of tow trucks work and what they are used for. Additional features to aid comprehension include a table of… More →

Chug! Chug! A tractor rumbles across a corn field! Find out about the many jobs a tractor can do, and learn about where they are important. Additional features to aid comprehension include a… More →

Roar! A train speeds past! Find out what trains carry in their many cars, from people to building supplies and fuel. Additional features to aid comprehension include a table of contents,… More →