Group Title: Environmental teaching plans
Title: Carrying capacity
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Permanent Link: http://ufdc.ufl.edu/CA01300920/00014
 Material Information
Title: Carrying capacity
Series Title: Environmental teaching plans
Physical Description: Archival
Language: English
Creator: St. Croix Environmental Education Team
Publisher: Division of Fish and Wildlife
Place of Publication: Frederiksted, VI
 Record Information
Bibliographic ID: CA01300920
Volume ID: VID00014
Source Institution: University of the Virgin Islands
Holding Location: University of the Virgin Islands
Rights Management: All rights reserved by the source institution and holding location.

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Title: CARRYING CAPACITY
Author: Environmental Education Team
Eulalie R. Rivera Elementary
Grade Level: K-3

Concepts: Disciplines:
3. Capacity 1. Physical Education
7. Land Use 2. Mathematics
11. Individual Acts

Objective:

Through the activity steps outlined, children will conclude that a restricted space will
accommodate a given number of people relating this to Planet Earth and population limits.

Rationale:

We can use the outdoor schoolyard in a fun game situation to learn simple mathematics while
developing at the same time the environmental concept of carrying capacity that allows people
to move and act freely in a prescribed situation. The important thing is to develop the
relationship of what happens on Planet Earth when people are overcrowded. Example: If
Planet Earth were as overcrowded as the square, would there be space for people to enjoy
themselves or to grow food, if that's all the space there was?

Materials Needed:

Some string, approximately 100 feet, and a measuring tool -- yardstick or meter, should be
available, as well as something to write on and with. Depending on the size of the class, the
size of the square may have to vary, modify the number of paces stepped off accordingly.

Directions/Activity:

1. Prepare a slip of paper with the name of each child in your class, place in a bag or box
from which the names will be drawn at Step 5.
2. In the schoolyard, select the tallest child from your class and have the child take ten
(10) steps in each direction, making a square.
"B"


Have a child stand at each
corner and hold a string "A" "C"
to make the sides.









3. Measure each side of the square, along the string, on the ground. Use a yard or a meter
stick.

A. How long is side "A"?

B. How long is side "B"?

C. How long is side "C"?

D. How long is side "D"?

What do you need to make a square?



Is each side as long as the other ones?



4. Leave the string on the ground, forming the square. All the children now step into the
square. Does the square hold all the children in the class?

How many children are in the square?

5. From a paper bag, that has each child's name on a slip of paper, draw out a child's name
asking that child to make at least three (3) hops without bumping another child, while
staying within the square. Each hop must be at least two (2) feet long in a different
direction and the other children may not move, once stationed in the square. If the child
called bumps into another child, the hopping child must leave the square.

6. The first child leaving the square may act as the counter. Have that child tally a mark
for each successive child who has to leave the square because of hopping into another
child.

Mark the tally marks here, including that of the first child:



7. The second child having to leave the square may now act as the drawer of names from
the paper baa. This continues until one child can hop three hops, each in a different
direction, without bumping into another child. 14hen this happened:

How many children had to leave the square?


How many children were left standing in the square?









8. Have all the children remaining within the square hippety hop -as before, all at the same
time. If they bump into another child, ask them to leave the square also.

How many more had to leave the square?

9. How many hippety hoppers could hop happily in the square?

10.If Planet Earth were the size of this square, what would this mean to the children?
Discuss.

11.If the children would plan carefully the direction of their hops, how many more children
could hippety hop without bumping into each other? How does this relate to people
living on Planet Earth?




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