Decorative Chalk

Now, in this slide the white is chalk, and this chalk was deposited in a warm ocean.

And they brought blackboards and chalk.

Now, here's a piece of chalk.

Give me a piece of chalk.

Please bring me two pieces of chalk.

It is not easy to write in chalk.

I would do these things where I'd have students become pens there's blue pen, red pen, green pen, black pen.

Compare the chalk writing with the lexigram on the keyboard.

This is a pen, it's called an insulin pen, preloaded.

And the incredible thing about hyena shit is, it makes great chalk.

And he wasn't doing that. He was scribbling with chalk on the pavement.

And a lot of people might use structures like abalone shells, like chalk.

And I'll suggest that this coal is about as exciting as this chalk.

But over the years, the blackboards were fine, but they ran out of chalk.

Video She takes a piece of chalk and begins writing something on the floor.

It's a little mechanical pen that has very, very fast step motors inside of the pen.

Some chose the pen.

Is this your pen?

Whose pen is this?

This pen is mine.

I've lost my pen.

My pen is new.

I've lost my pen.

There is a pen.

Where is a pen?

PEN National Strategic Plan

Researchers began to record what Panbanisha said, by writing lexigrams on the floor with chalk.

Can I use your pen?

Do you have a pen?

Please write with a pen.

Tom gave me a pen.

This pen belongs to me.

I had lost my pen.

I had lost my pen.

I'm looking for my pen.

I have lost my pen.

I have lost my pen.

I can't find my pen.

My fountain pen is new.

This pen doesn't write well.

Tom looked for his pen.

Who taught by the pen,

Who taught by the pen,

who taught by the Pen,