In this speed of light worksheet, students read about Danish Astronomer ole Roemer and his discovery of the speed of light. Students complete 4 short answer questions based on the reading.

Use this worksheet to help your class identify proper nouns. They circle the proper nouns in 16 sentences. Answer key is provided. 

This site contains information about Galileo and his areas of study.

Discover interesting fun facts about the life of Galileo Galilei, Italian astronomer, mathematician, and physicist.

This image is of Italian scientist Galileo Galilei, a brilliant astronomer who made many contributions to the world of science. Check out our Galileo facts page for more information on this famous scientist.

Galileo Galilei (15 February 1564 - 8 January 1642) was a Tuscan (Italian) physicist, mathematician, astronomer, and philosopher who played a major role in the scientific revolution. His achievements include improvements to the telescope...

(1564-1642) Italian physicist, mathematician, astronomer, and philosopher who was one of the great creators of experimental science.