Explores how different money is used in different parts of the world.
Clear definitions supported by every day examples and easy hands-on activities introduce young scientists to inclined planes.
Take an in depth look at human life in this science encyclopedia.
Take an in depth look at animal life in this science encyclopedia.
Take an in depth look at plant life in this science encyclopedia.
Take an in depth look at earth science in this science encyclopedia.
Take an in depth look at chemistry in this science encyclopedia.
Take an in depth look at physics in this science encyclopedia.
Take an in depth look at mathematics in this science encyclopedia.
Take an in depth look at technology in this science encyclopedia.
Find research projects and fun science experiments in this science encyclopedia.
In graphic-novel format, this book chronicles the dust storms which plagued the plains states from 1930 to 1939 while depicting one family's efforts to escape the devastation and start a new life in California.
Eco-friendly energy is explained. The most current information is provided while establishing the understanding that it does not take much to make the world a better place.
One of the most sacred yet volatile countries in the world is Israel. Its history helps the reader to understand the current crisis it faces.