globe tossIntroductory activity in which students determine how much of the earth is covered by the ocean. Adapted from an activity developed by the Lawrence Hall of Science.

Materials        

Procedure       

  1. Inflate globe
  2. Have students form pairs; each pair tosses the globe 10 times to each other. This means that each partner catches the globe 5 times for a total of 10.
  3. On the table (copy below or download from Lesson Resources) record how many fingers touch the ocean on each toss.

Data Table

Toss #

# Fingers in Ocean

1

 

2

 

3

 

4

 

5

 

6

 

7

 

8

 

9

 

10

 

Total %

 


*Alternatively, you can do the activity as a class, tossing the globe around the room and keeping track as a group how many fingers touch the ocean with each toss.

Lesson Resources

word iconInstructions with data table