Natural Disasters by Kathleen M Reilly & Tom Casteel

Author:Kathleen M Reilly & Tom Casteel
Language: eng
Format: epub
Publisher: Nomad Press
Published: 2012-03-15T00:00:00+00:00

MAKE YOUR OWN

FLOOD PLAIN

Flooding can leave behind rich soil to grow crops. With this project, you can simulate a flood and grow your “crops.”

SUPPLIES

aluminum foil

large cookie sheet with edges at least an inch high (2½ centimeters)

blue aquarium rock (optional)

soil

grass seed

water

1 Tear off a long, skinny piece of foil. Fold it to form a little river that is deep enough to hold some water, but no taller than the sides of your cookie sheet. Lay your river on the cookie sheet any way you’d like—through the middle, curvy or diagonal. You can fill your river with blue aquarium rocks.

2 Fill the area around the foil with potting soil. Be careful not to get the soil into your river. Pat it down firmly. Sprinkle some grass seed in the soil and cover it gently with a little more soil.

3 Flood your land by pouring water into your river. Keep filling it until it overflows its banks and floods onto your land. When you think the flood has watered your seeds enough, stop pouring. Put the cookie sheet in the sun until the soil is dry. Then, flood your river again.

4 Ancient Egyptians planted their seeds after the floodwater receded. They had to figure out a way to trap some of the floodwater to irrigate their crops later when the soil dried up. Try changing this project to collect some of the floodwater you pour into your river.

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