"Which communicable disease killed more than 100 million people over 200 years? What is a congenital disease? How is diabetes treated? Real World Data presents information about familiar curricular to
"What is the Security Council? Which international organizational helps people around the world earn a decent living? How does a direct democracy differ from a representational democracy? Real World D
How will global warming affect future immigration? Why do refugees leave their countries? What is a visa? Real World Data presents information about familiar curricular topics through charts and gra
What are Q-ships? Which country holds the largest number of nuclear weapons? What are some of the tactics used by guerilla fighters? Real World Data presents information about familiar curricular top
"What is acid rain? Why is so much farmland now damaged? How can ecotourism help the environment? The 'Real World Data' series presents information about familiar curricular topics through charts and
Explains how weather and climate can be measured using graphs and charts and answers such questions as "What is climate change," "How deep is Earth's atmosphere," and "What does a hygrometer measure."
"How much of the human body is made up of water? Which regions experience the monsoon? What percentage of the world's water is freshwater? Real World Data presents information about familiar curricula
"What is scree? How hot is the center of the Earth? Where is the longest river in the world? The 'Real World Data' series presents information about familiar curricular topics through charts and graph
"How far does light travel in one year? What is an Astronomical Unit? How many galaxies are there within the Milky Way? The 'Real World Data' series presents information about familiar curricular topi
Describes the geological history of the Earth, including how it may have formed, the different layers of the Earth, and why day, night, and the seasons exist.
