Extensive site for teaching Spanish speaking ELL. The theme of this unit is the directions - An "e-mail" is presented, giving directions to a house party - Interactive exercise follows, asking comprehension questions - A guided writing...

Learn English vocabulary and grammar through songs from a wide range of famous pop artists from the Beatles and Elvis to contemporary standouts like Avil Lavigne, Good Charlotte, and James Blunt. Find an exercise by grammar or vocabulary...

This power point highlights the main ideas about modern atomic theory from the online textbook "An Introduction to Chemistry". Step by step instructions are given to write electron configurations and draw orbital diagrams. Also includes...