• Compact view
  • Normal view
  • Grid view

Grade 4

2812 records found. Displaying 2621 - 2630.

What Does It Do? Cement Mixer

From bridges and streets to houses and skyscrapers, cement is an important material used in many of the structures we use every day. Readers will find out how cement mixers are used to blend, More →

What Does It Do? Crane

Tall cranes tower above construction sites and line the edges of shipping ports. Readers will find out how different types of cranes are used to help build skyscrapers, load cargo ships, and… More →

What Does It Do? Digger

Almost anything we build requires some sort of digging. Buildings, tunnels, and swimming pools all start with holes in the ground. Readers will find out how different kinds of diggers are… More →

What Does It Do? Dump Truck

Sometimes a regular pickup truck just isn't strong enough. Luckily, we have dump trucks to handle the heavy loads. Readers will learn how dump trucks are used to haul rocks, trash, and… More →

What Does It Do? Fire Truck

Fire trucks help to save lives and prevent the spread of dangerous fires every day. Readers will learn where a fire truck gets its water supply, what kind of equipment it contains, and the… More →

What Does It Do? Tractor

Tractors are an essential tool for farmers everywhere. Readers will learn how farmers use tractors to plant and harvest the crops we use every day. They will also find out how people use… More →

Filter List