Why Do Walls Use Bricks?

What Crafty Clover says in this video

Intro

Hey there, curious minds! I'm Crafty Clover! Let's discover something amazing. Why do walls use bricks?

The Big Idea

A brick is a small baked block. Stacked with staggered joints and sticky mortar, many little blocks become one strong wall. Let's see how a brick wall happens!

Shape the Clay, Fire the Kiln

Step one: shape the clay, and fire the kiln. Wet clay is pressed into a brick mold. Then heat in a kiln hardens the clay into a stone-like block.

Spread the Mortar

Step two: spread the mortar. A bed of sand-cement paste is laid on the course below. Mortar glues the bricks together, and spreads the load.

Stagger the Joints, Wall Goes Up

Step three: stagger the joints, and the wall goes up. Each new brick sits over the gap of the bricks beneath. Offsetting the joints means a crack can't run in a straight line.

A Closer Look

Let's take a closer look at a brick wall! A mortar joint sits between bricks. A stretcher shows the brick's long side. A header shows the short end. And the running bond is the staggered pattern.

Quick Facts

Quick facts! Fired clay bricks can last centuries, because the kiln locks the clay. A standard brick is about 8 inches long, so one person can lift it all day. Roman bricks were flatter and longer than modern ones. Chimneys, schools, and garden paths use the same stack-and-stagger idea.

Think Like a Scientist

Now, think like a scientist! Stack crackers with the seams lined up. Then stack more, with the seams not lined up. Give each tower a gentle nudge. Which tower twists less?

Outro

Staggered bricks and sticky mortar build walls that last. Brick by brick! Crafty Clover can be found on Amazon Books, Google Bookstore, and Apple Books. Available for purchase or download! Bye for now!