Temperatures become more variable and precipitation decreases as one travels from west to east from Europe into Asia. This is best explained by

Where are the strongest winds and most severe thunderstorms in a hurricane?

The cP air masses pictured here originate ________ and bring ____________.

Which process is an example of a physical change?  

A metal coin has certain properties that can be measured. Which property of a coin is different on the moon than it is on Earth?  

There are several differences between chemical and physical changes. Which process is an example of a chemical change?  

Which properties most likely belong to a metal?  

  Metals are often used to make pots and pans for cooking. Which property of metals makes them useful for this purpose?

Think about a wooden chair and a balloon. What do these two objects always have in common?    

The segment of the periodic table below shows the elements in Groups 1 through 9.What do the elements Mg, Ca, and Sr have in common?