Summary:
introduction to distinguishing between phrases and clauses, using 7th grade level math word problems; includes solving the math problems as well
Summary:
This interactive activity,puts you in control of the temperature gradient between two air masses and models the effects that changes in the temperature gradient have on wind speed.
Summary:
Using images and graphs, this interactive resource illustrates scientists' efforts to study Earth's climatic history for the last 250,000 years by drilling into the Greenland Ice Sheet and examining ice cores.