Hello, class! Today we are learning about phase changes!
Thank you for your enthusiasm, Hermione. Anyway, first, lets learn about how a liquid changes to a gas.
3) Isn`t that cool?
2) Here is what they look like, close up
1) When a liquid changes to a gas, the little molecules start to move around, and spread apart more. One way this can happen, is if you boil water, eventually it will turn to steam which is a type of gas