10. 'In other ways it was made harder and harder, until it was turned into rock. And now we call it slate. Here is a bit of your old broken slate. See if you can turn it into mud again!'


CHALK.
PART 1.

a-cross´piecewheatearth
morn´-ingteach´-ercol´-oursbrown
chalk´-ingblack´-boardfetchmoist
pickedspread´-inglaughedthrough

1. A few days after this, Dora and Harry were going across the fields. They saw a horse and cart standing, and a man taking white stones out of the cart and putting them over the ground.

2. 'Why, it is Joe!' they cried, as they came nearer. 'Good-morning, Joe. What are you doing?'

'Chalking this bit of land, you see. You know what chalk is, do you?'

3. Harry and Dora picked up a piece or two.

'Teacher writes on the blackboard with chalk,' they said.

'Yes, you are right. It is used for many things,' and he went on spreading it over the field.