Print out both pages of the worksheet. Make the predictions in page 1 table. Watch the video clips 1-3 (click on links at left) in order and revise your predictions in the last column on the table. Watch video clips 4 & 5 and answer the 2 questions on page 2 of the worksheet.
Click on the link to the left to watch the video. Questions are to the far left; answer the questions in your notebook.