Watch out for that big wave! Oceans cover a large part of Earth and support a wide variety of plants and animals. Young readers will learn about the tides, waves, and currents of the ocean as More →
Grade 1
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Dump trucks help the other machines on a construction site by transporting dirt or other materials. Some dump trucks can carry a load of up to 52,000 pounds. Read about how these machines… More →
These huge trucks move, carry, and dump big loads of earth. There are different kinds of earth movers and each has a specific task. Kids will get a first look at the types of earth movers and More →