People exercise to keep healthy. They exercise to lose weight or to stay fit. They exercise to make their muscles bigger and stronger. Maybe you play soccer or some other sport for exercise. Getting exercise can be fun and can make you feel good.

 Exercise is a big part of staying physically fit. People who are physically fit are alert and full of energy. Exercise can also help people handle stress. Exercise is especially good for children, teens, and older persons.

Dents¹ in space, light in bundles², and matter that turns into energy sound like science-fiction  fantasies. However, Albert Einstein said they were real. Other scientists proved through observations³ that Einstein’s theories were right. Einstein revolutionized the science of physics and helped bring in the atomic age.

WHERE DID EINSTEIN GROW UP?

Albert Einstein was born in Ulm, Germany, on March 14, 1879. He grew up in Germany, Italy, and Switzerland. Einstein taught himself geometry when he was 12 years old. School bored him because it required endless memorizing and reciting⁴.

Adolf Hitler was a struggling young artist who became a feared dictator. He led his country into a bloody war that killed millions of people.

Hitler rose to power in Germany in the 1930s. He eventually started World War II (1939-1945), a conflict that left Europe in ruins.

HITLER’S CHILDHOOD

Adolf Hitler was born in 1889. He came from a well-to-do family in Austria-Hungary. His father was an important government worker. After his father died, Hitler quit school in the ninth grade. He decided to become an artist but had trouble finding work.100