Across
- 4. this universal law explains why the planetary bodies continue their elliptical orbits about the sun.
- 6. This fell from the tree (Some say on Newton's head) that inspired Isaac Newton to develop his law of universal gravitation.
- 7. Isaac Newton's major work was Mathematical Principles of Natural Philosophy or this.
- 8. Who attended Cambridge University and later became a professor of mathematics there.
Down
- 1. Of all the changes that swept Europe in the sixteenth and seventeenth centuries, the most widely influential was this.
- 2. Newton's ideas created a new picture of this. It was now seen as one huge, regulated, uniform machine that worked according to natural laws.
- 3. What played a key role in the scientific achievements of the time.
- 5. Newton believed that the physical world and everything in it was like a giant "world machine," operating according to this that could be uncovered through systematic investigation.