What is diurnal motion?

How long does it take for Earth to complete one cycle of axial precession?

What is the primary force that keeps planets in orbit around the Sun?  

Which concept explains why an object remains at rest or in uniform motion in a straight line unless acted upon by an external force?  

According to Galileo, how does the speed of an object change as it falls?  

What is the term for the resistance of an object to a change in its state of motion

Which of the following is an example of a non-contact force?  

Which type of motion describes a projectile?  

Which theory of light describes light as an electromagnetic wave?

What phenomenon occurs when light bounces off a surface?

According to Christian Huygens, What happens to light as it passes from air into water?  

Which phenomenon can only be explained by the particle model of light?

What is the term for the bending of light as it passes from one medium to another?  

Which of the following is NOT a property of light?  

Who proposed that light has both particle and wave properties?  

What is the phenomenon where light spreads out after passing through a narrow opening?  

The law of inertia is also known as:  

What is the effect of gravity on a projectile's motion?  

Which of the following best describes the nature of light?  

When light reflects off a flat surface, the angle of incidence is:  

What is precession of the equinoxes?

What is the phenomenon called when light bends around an obstacle?  

In space, where there is no air resistance, what happens to an object that is pushed?

How does the velocity of a projectile change as it moves upward?  

Which color of light is bent most when passing through a prism?  

What causes the precession of the equinoxes?

Which of the following is an example of a contact force?  

What is the phenomenon where two waves meet and combine to form a new wave?  

What is the effect on a projectile's horizontal velocity in the absence of air resistance? 

According to Aristotle, what determines how fast an object falls?

Which experiment provided strong evidence for the wave nature of light?

Which of the following best describes the concept of inertia?  

What is the term for the change in direction of a wave as it passes from one medium to another at an angle?  

Which of the following is an example of Inertia at rest?  

What is the primary reason light is refracted when passing through a prism?

Which of the following best describes the Aristotelian view of motion?  

What is the unit of measurement for force?  

What is the effect of air resistance on a projectile?  

Which of the following phenomena is used in fiber optic cables to transmit light?  

Which of the following is a characteristic of a wave?  

What is the force that opposes the motion of two surfaces sliding past each other?

Which of the following best describes a photon? 

What is the term for the distribution of light intensities in a spectrum?  

What is the acceleration due to gravity on Earth?  

Which of the following best describes the Galilean conception of motion?  

What is the effect of gravity on the path of a projectile?  

Which phenomenon explains why we see a rainbow?  

Which of the following is NOT a form of electromagnetic radiation?  

Which of the following is a unit of frequency?  

What is annual motion?