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...

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,...

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...