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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

 

Melt the Ice - Rainbow Style

Lesson

Grades

  • Pre K
  • Kindergarten
Melt the Ice - Rainbow Style

This lesson is full of learning opportunities! Students will learn basic science vocabulary, make hypothesees, make observations and work as a team to see who can make their rainbow ice melt the...

Shadow Makers

Lesson

Grades

  • 1
Shadow Makers

Students will learn about the earth’s rotation and how shadows are made in this fun science lesson.

Threats of the Marsh | The Salt Marsh

Photo

Grades

  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
Threats of the Marsh | The Salt Marsh
Pesticides, manure, and fertilizers run off farm fields and enter the food chain of the marsh. Chemicals from factories are also added to the rivers and end up downstream in the salt marsh, where they...
Biomagnification | The Salt Marsh

Photo

Grades

  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
Biomagnification | The Salt Marsh
How can low levels of DDT in farm fields end up at high levels in ospreys? Several different pesticides, an example of which is DDT, can be biomagnified by the food chain. The pesticides are used to...
 Tides | The Salt Marsh

Video

Grades

  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
Tides | The Salt Marsh
Tides flood into the salt marsh twice a day and bring salty water from the sea. Then twice each day the tide ebbs and leaves the salt marsh high and dry. The tides are at their highest (and lowest)...
 Terrapin | The Salt Marsh

Video

Grades

  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
Terrapin | The Salt Marsh
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...
Tricolored Heron | The Salt Marsh

Photo

Grades

  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
Tricolored Heron | The Salt Marsh
The tricolored heron is bluish on the back and wing, white on its belly and throat, and reddish-brown on the back of its neck and head. This medium-sized heron is the most common heron of the salt...
 Great Egret | The Salt Marsh

Video

Grades

  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
Great Egret | The Salt Marsh
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...
Oystercatchers | The Salt Marsh

Photo

Grades

  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
Oystercatchers | The Salt Marsh
Boldly patterned in black and white, the stocky American oystercatcher is hard to mistake. It has long red legs and a large red bill. As the name suggests, they feed mainly on oysters, although they...
Fungi | The Salt Marsh

Photo

Grades

  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
Fungi | The Salt Marsh
Fungi are the only kingdom of life not represented in the plankton. Bacteria have only recently been demonstrated to exist in great abundance as our sampling gear has improved enough to capture these...