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What did Ptolemy think was at the center of everything?

• The Sun
• The Moon
• The Earth
• The Stars

What did Copernicus believe about the Sun?

• It moves around the Earth
• It is not important
• It is smaller than the Earth
• It is at the center

Who used a telescope to prove the Sun is at the center?

• Francis Bacon
• Galileo Galilei
• Isaac Newton
• Andreas Vesalius

What important method did Francis Bacon create?

• The heliocentric method
• The scientific method
• The gravity method
• The motion method

What did Andreas Vesalius study?

• Stars
• Anatomy
• Mathematics
• Geography

What did William Harvey discover about the heart?

• It holds air
• It makes blood
• It pumps blood
• It is not important

What did Isaac Newton develop to help explain his ideas?

• The microscope
• Calculus
• The heliocentric theory
• The telescope

Which law says things stay still or move until something changes them?

• Newton’s first law
• Newton’s second law
• Newton’s third law
• Newton’s gravity law

What does Newton’s third law say?

• Things move when pushed
• Every push has a push back
• Things fall at the same speed
• What goes up must come down

Why did Galileo have to explain his ideas to the church?

• He was becoming a priest
• His ideas were different from the church's
• He wanted to start his own church
• He changed his mind about his ideas