Land and Ocean: Home of Natural Resources

Background:

Materials:

    Step 1. Explain that by dividing paper into parts, students will be able to graphically see where some of the Earth's resources are found.

    Step 2. Give each student a piece of paper. This paper represents the planet Earth, both land and water. Have the students fold the paper into four parts. Three of the four parts will represent the ocean. Have the students lightly color these parts blue. The last section represents the land. Have the students lightly color this section brown.

    Step 3. Divide the land piece in two pieces. 1/8 of the Earth is uninhabitable. Label this section 'uninhabitable.' Discuss and list the reasons for this (lack of water, too steep or rocky, etc.). Name the kinds of land where people cannot live or grow crops (deserts, mountain tops, glaciers, beaches, etc.).

    Step 4. Fold the remaining 1/8 piece of land into 4 parts. Divide one of the four parts. This represents the 1/32 of the Earth that is used for growing food, Label this section 'food.' The remaining 3/32 represents land used for buildings, highways, etc. Label this section 'habitable land.'

    Step 5. Divide the food strip into thirds. Fold 1/3 in half and mark off this section. This represents the 3/100 of the land surface that is drinkable water. Label this section 'fresh water.'

    Step 6. Divide one of the ocean/sea pieces in half. This represents the 1/8 of the ocean that supports plant and animal life. Label this section 'plant and animal life.'

    Step 7. Label the remaining 1/8 and one of the 1/4 sections of ocean as 'minerals,' for a total of 3/8. The remaining 1/4 should be labeled 'ocean water.

     

    Bibliography
    Land and Ocean: Home of Natural Resources  Utah State Office of Education March 4, 1997