April 2 - Plate Tectonics (Kelly Khai Do)

April 9 - Minerals and Rocks (Kelly Khai Do)

April 16 - Volcanic Products (Justina Billings)

April 23 - Divergent boundaries (Justina Billings)

April 23 - Divergent boundaries (Kelly Khai Do)

April 30 - Hot spots (Justina Billings)

May 7 - Convergent boundaries (Kelly Khai Do)

May 14 - Convergent boundaries (Kelly Khai Do)

May 21 - Intrusions (Justina Billings)

May 25 - Volcanoes and atmosphere (Kelly Khai Do)