Visit the South Carolina Department of Education for Science standards.

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Visit the South Carolina Department of Education for Science standards.

Take a quick look at all Science series on Knowitall.org

 

Terrapin | The Salt Marsh
Terrapin | The Salt Marsh

Video

The upper surface of the terrapin's shell, called the carapace, is formed of 13 plates, or scutes. Each scute is roughly circular and grooved with rings. Since one ring is formed each year, the age of...
Great Egret | The Salt Marsh
Great Egret | The Salt Marsh

Video

The great egret is a large white wading bird. Unlike the snowy egret, the great egret has a yellow bill and black legs and feet. This bird is the symbol of the National Audubon Society. Their long...
Mud Snail | The Salt Marsh
Mud Snail | The Salt Marsh

Video

The mud snail is black, with a very strong shell, and is about 1/2 inch in length. It is an effective scavenger and hundreds of snails will collect around a dead fish or shrimp bait until they...
Male Fiddler Behavior | The Salt Marsh
Male Fiddler Behavior | The Salt Marsh

Video

Male fiddler crabs have one large claw, which can be either their left or right. They wave these large claws at other males to frighten them away from their territory. When they wave the claw, they...
Raccoon | The Salt Marsh
Raccoon | The Salt Marsh

Video

It ís a raccoon! Raccoons often feed near water and frequently visit the salt marsh during low tide. Raccoons are omnivorous and eat many different plants and animals. In the salt marsh, they often...
The Space Race, Part 2 - Gemini And Apollo
The Space Race, Part 2 - Gemini And Apollo

Video

Gemini is the not widely known bridge between Mercury, and the Apollo Program. Gemini would serve as the test-bed for Apollo; to prepare NASA for trips to the moon. After the successes with the Gemini...