Models of the universe
Scientific Discoveries
Scientific Thinking
Tools & Observation
Impact
100

This model placed Earth at the center of the universe.

What is the geocentric theory?

100

This scientist discovered gravity.

Who is Isaac Newton?

100

This process uses observation and experiments to gain knowledge.

What is the scientific method?

100

This invention helped scientists observe space.

What is the telescope?

100

This major period changed how people understood science.

What is the Scientific Revolution?

200

This model placed the Sun at the center of the universe.

What is the heliocentric theory?

200

This doctor discovered that blood circulates through the body.

Who is William Harvey?

200

This method forms general conclusions from observations.

What is inductive reasoning?

200

Galileo used this tool to see moons orbiting Jupiter.

What is the telescope?

200

This institution forced Galileo to deny heliocentrism.

What is the Catholic Church?

300

This Polish astronomer proposed the heliocentric theory.

Who is Nicolaus Copernicus?

300

This scientist studied human anatomy through dissections.

Who is Andreas Vesalius?

300

This English thinker promoted experimentation in science.

Who is Francis Bacon?

300

Galileo observed these features on the Moon.

what are mountains and craters?

300

The Scientific Revolution encouraged people to rely on this instead of tradition.

What is reason?

400

This scientist used a telescope to support heliocentrism.

Who is Galileo Galilei?

400

Newton explained gravity in this 1687 book.

What is Principia Mathematica?

400

This French philosopher believed knowledge should come from logic and reasoning.

Who is René Descartes?

400

Observations of Jupiter’s moons supported this model of the universe.

What is the heliocentric theory?

400

The idea that the universe follows consistent rules is called these.

What are natural laws?

500

This astronomer discovered planets move in elliptical orbits.

Who is Johannes Kepler?

500

Newton also created these three laws describing motion.

What are the laws of motion?

500

Descartes expressed rational thinking with this famous phrase.

What is “I think, therefore I am.”?

500

Galileo’s discoveries challenged the belief that heavenly bodies were this.

What is perfect or unchanging?

500

The Scientific Revolution helped inspire this later movement based on reason.

What is the Enlightenment?

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