Unit 1
Who realized that they could only use the density of an object to determine its nature?
Archimedes
What force acts through touch?
Contact Force
Which of Newton's Laws is when an object applies force on another object, the second object will apply an equal force back.
Newton's Third Law of Motion
Who used one of the first telescopes?
Galileo Galilei
What is the reason we have have seasons?
Earth's axil tilt
Who developed astronomical models to determine the location of the Sun, the moon, and the planets?
Ptolemy
What force acts through a distance by a field?
Field Force
What is a form of energy related to object's mass and speed?
Who made a book explaining that the Sun was in the middle of the Solar System, and the Earth was orbiting it.
Nicolaus Copernicus
What is it called when the moon moves in front of the sun, blocking the sunlight?
Solar Eclipse
What movement in the 1400's encouraged new ideas, and the study of the work of the Greek and Islamic philosophers?
Renaissance
What force is similar to gravitational force, but is caused by electric charge?
Electromagnetic force
What form of energy is the sum of an object’s potential and kinetic energy
Mechanical Energy
What are the four inner most planets called?
Rocky Planets
What is it called when the Earth is between the sun and the moon?
Lunar Eclipse