You can change the FONT, size and style of any words you type.
You do need to use your trackpad to select the words you want to change.
Get your teacher to help you and spend some time practicing this.
You can click CONTROL and A at the same time to select all of the words on a page.
Use the small arrow to the left of the size to choose a different font.
Use the + or - to change the size. You can also click in the box and type in a size.
Use the B, I or U to Bold, italic or Underline words that you have selected