An excavator’s main job is to dig a lot of dirt quickly, but they can also be used to lift heavy things and lay down pipes
A bulldozer has a big blade on the front and is used to move objects or dig a trench. It can move all kinds of materials, even large pieces of debris!
A front loader looks a lot like a bulldozer, but it’s scoop is further off the ground. A front loader has a moveable bucket that transports dirt. You usually see this when roads are being fixed.
Backhoes are the most commonly seen construction vehicle. They have a bucket on the back and a shovel on to the front. These are used for smaller jobs because they can do a lot! They can backfill, dig trenches, move dirt, and place pipes
A crane helps when heavy things need to be lifted higher than a ladder can reach. Look at how tall a crane can go!
The Burj Khalifa is the tallest building in the world! It is in Dubai, is 2716 feet tall and has 163 stories! It has 3.56 million square feet of space inside!
The “New Century Global Center” in China may not be as tall as the Burj Khalifa, but it is WAY bigger inside! It has 18.29 million square feet of space inside. That’s more than 5 times bigger!
The oldest structure ever is believed to be on a Scottish Island and is called the Knap of Howar. It was built in 3600 BCE, making it 5620 years old! How does this look different from buildings we have today? What looks the same?