Curated OER
The Geologic Time Scale
Students research and explore the earth's past and make comparisons with the earth's present. They map out a timeline that explains how the earth and its organisms have changed over time. Studnets create a scale for their time line, they...
Curated OER
Mapping of the Earth's Past
Students create a scale model time linen of the Earth's 4.6 billion year history. They calculate a scale that can fit on a very long register tape then label each geologic era. They use text books to annotate each era with major geologic...
Baylor College
What's Is Soil Made Of?
It's time to roll up those sleeves and get a little dirty in the second lesson of this series on the science of food. Investigate where plants and animals get the minerals they need to live in this two-part exploration of soil. First,...
Curated OER
Environmental Exchange Box
Students examine the characteristics of their own environment and compare them to another region. They prepare a box filled with items and stories about their own region, exchange the box with another class in another region, and...
Great Books Foundation
On the Origin of Species
How did Charles Darwin support his controversial theory of evolution with evidence? Use an excerpt from his 1859 work On the Origin of Species to reinforce the importance of making inferences within an informational text, and to discuss...