Hello guys. Today, we’re going to be taking a trip under construction. You’ll see more cool things than you’ve ever seen before — machines that can drill underground, machines with swivel chairs, even cranes that have to be built themselves!
But first, let’s start down with the basics. Here’s a picture of eight basic construction machines:

Now that we’ve got your construction machines, let’s get building. Now, if you want to get expensive, just try a skyscraper, like the Empire State Building below:

Here’s a list of everyone you’ll need:
- masons
- plumbers
- crane operators
- architects
- drivers
- metalworkers
- engineers
Everyone you need is now here. Now, we can get along for structure lessons. If you want your building to be shaped like a dome, you might want to build an observatory, like shown:

However, taller towers are popular, too. Let’s face it, they’re super popular! For example, the Eiffel Tower is a tower — duh! Speaking of the Eiffel Tower, let’s build a tower just like it, except we’ll change the design a little.
Step 1: What do you think the design should be? You can actually mail me one of your ideas.
Step 2: Get all the supplies required. This stage should be pretty expensive unless you have all the supplies at home.
Step 3: Make the foundation. You should have a sturdy one so your tower will last a long time.
Step 4: Create the frame. This will be important, because your tower needs extra support.
Step 5: Add the “skin” (that’s construction lingo for the cover of the tower) and then the extra detail. Your tower is officially complete.
Now that you’ve got that done, you’ll have more fun than ever on this. It’s a do it yourself home activity.
Bridge Building
Supplies: a thin strip of paper, some pennies and two books
Step 1: Place the two books equally apart from each other. Pretend the books are the land.
Step 2: Build two types of bridges. Make a flat one and one with the sides folded up equally.
Step 3: Place the first bridge between the two books.
Step 4: Place the pennies on the bridge.
Step 5: How many pennies will stay on the bridge?

This may not work!
Step 6: Place the second bridge between the two books instead. Is there any difference?

Answer: The first bridge won’t hold any pennies, because a flat bridge doesn’t have that much support on it. What I mean is that the second bridge has equal weight on both sides, just like a tight rope walker has in the circus to keep he or she from falling. More weight on one side, boom! Instant rock fall. Okay, maybe not instant.
Anyway, let’s wrap things up. The National Building Museum in Washington, DC has some pretty cool exhibits all about architecture, similar to the stuff we have on this site today. See you next time — Ow! Sorry I just got bonked on the head by an apple! Next time, Newton’s view of things.





