SAEED ESS Practice Exam

People who studied the movement of the stars developed

• astronaut

• astronomer

• astronomy

This science helped people keep time and decide when to plant crops.

The ancient Greeks developed a large amount of scientific information. They believed that reason was a way to analyze nature.

• true

• false

They began to realize that scientists had to use mathematics and experiments to make advances.

This new way of thinking led to the Scientific Revolution

• true

• false

Theories are based on what people can observe about a thing or event.

• true

• false

He AGREED with Ptolemy's theory that the Earth was the center of the universe.

• true

• false

Copernicus developed a ____________, or sun-centered, theory of the universe.

is an explanation for how or why something happens.

He wrote a book called On the Revolutions of the Heavenly Spheres

• copernicus

• ptolemy

• kepler

• galilei

A German astronomer named ____________ made more advances. He used mathematics to support Copernicus's theory that the planets revolve around the sun

• copernicus

• ptolemy

• kepler

• galilei