Water, water, everywhere? Each pupil first uses an Internet program to select 50 random points on Earth to determine the proportion of its surface covered with water. The class then combines data to determine a more accurate estimate.

In this English worksheet, students read "Keep Warm to Avoid Colds: Scientists," and then respond to 47 fill in the blank, 7 short answer, 20 matching, and 8 true or false questions about the selection.