Physical Science Quiz

Who believed that the sphere was the most perfect shape?

• Pythagoras

• Aristotle

• Eudoxus

• Empedocles

Who proposed a system of fixed spheres?

• Eratosthenes

• Aristarchus

• Claudius Ptolemy

• Eudoxus

Who discovered that the Earth and planets travel about the sun in elliptical orbits?

• Aristotle

• Johannes Kepler

• Tyco Brahe

• Nicolas Copernicus

What is the shape of the Earth according to ancient astronomy?

• Oblate Spheroid

• Cylinder

• Cube

• Sphere

What is the apparent movement of stars and other celestial bodies around the Earth as a direct effect of the Earth's rotation on its axis?

• Moon Phases

• Annual Motion

• Diurnal Motion

• Precession of Equinoxes

How can you determine if a molecule is non-polar, polar, or ionic?

• By looking at its color

• By counting the number of atoms

• By measuring its weight

• By calculating electronegativity difference

What type of intermolecular force is present in a non-polar molecule?

• Ion-Dipole Force

• Hydrogen Bonding

• Dipole-Dipole

• London Dispersion Forces

What is the electronegativity difference between Calcium (Ca) and Oxygen (O) in CaO?

• 3.5

• 2.5

• 1.5

• 4.5

Which scientist is known as the father of modern astronomy?

• Tyco Brahe

• Johannes Kepler

• Nicolas Copernicus

• Aristotle

What is the motion of the Earth and its orbit around the Sun called?

• Annual Motion

• Precession of Equinoxes

• Heliocentric

• Diurnal Motion