Who created one of the first modern telescopes, and successfully proved the Earth revolves around the Sun?

(14 March 1879 – 18 April 1955) He was a German-born scientist. He worked on theoretical physics. He developed the theory of relativity. He received the Nobel Prize in Physics in 1921 for theoretical physics. His famous equation is E=m.c2 (E = energy, m = mass, c = speed of light).

(25 December 1642 – 20 March 1726) He was an English physicist, mathematician and astronomer. In 1687, he presented his theory of universal gravitation and three laws of motion. He built the first practical reflecting telescope in 1668. He also developed a theory of light based on the observation that a prism decomposes white light into the colors of the rainbow.

Experiment: How does the flavor of ice cream affect the speed of melting?

The flavor of ice cream is the ___________ variable.

Experiment: Does changing the wing shape to make it more narrow affect the distance a paper airplane will fly?

The wing shape is the ___________ variable.

The one variable in an experiment that is purposely changed by the scientist is the________________.

The first step of the scientific method is to _____________________________.

Another word for prediction is: ________________

Everything you want to remain the same or unchanged is called the ___________ variables.