Why do computer chips use silicon crystals?

What Crafty Clover says in this video

Intro

Hi there, curious minds! I'm Crafty Clover! Let's discover something amazing. Why do computer chips use silicon crystals?

The Big Idea

Computers are full of tiny chips. And chips are made of silicon crystals! Why silicon?

Semiconductor

Step one: Semiconductor. Silicon is a semiconductor, a material that can switch between letting electricity flow and blocking it. That's just what a computer needs.

Common

Step two: Common. Silicon is also one of the most common elements in Earth's crust. It's found in sand and many rocks.

Perfect Crystal

Step three: Perfect Crystal. For chips, silicon must form a nearly perfect single crystal, because even tiny flaws can break a circuit. That's why chip factories are cleaner than hospitals.

A Closer Look

Let's take a closer look! It switches. It's plentiful. It must be perfect. Factories are spotless.

Quick Facts

Quick facts! Silicon makes up about a quarter of Earth's crust. Switches on and off. Must be flawless. Cleaner than hospitals.

Think Like a Scientist

Now, think like a scientist! Draw a chain of dominoes. Show one falling. Show it switching the next one. Keep the chain going. Is that like a chip switch?

Outro

Computer chips use silicon because it's a semiconductor that can switch electricity on and off. It's very common in Earth's crust, but chips need a nearly perfect single crystal, so factories are cleaner than hospitals. Silicon is a crystal superstar. Science is amazing! Keep asking questions! The more you look around, the more wonders you will find, so keep your eyes open! Crafty Clover can be found on Amazon Books, Google Bookstore, and Apple Books. Available for purchase or download! Bye for now!