| A | B | 
| Isaac Newton | scientist who lived in the 17th century - came up with 3 laws of motion. | 
| Newton's First Law | An object in motion will stay in motion, and an object at rest will stay at rest | 
| Unbalanced Force | Acts in the opposite direction as a moving object | 
| Friction | Resistance caused by any 2 objects in contact | 
| Newton's Second Law | An object with unbalanced force acting on it will move in the direction of that force. | 
| Newton's Third Law | Forces always occur in equal and opposite pairs | 
| Headmaster | person in charge of a learning institution | 
| Plague | fast spreading epidemic causing deadly disease | 
| Manor | home or place of residence | 
| Orbit | to move around object/thing | 
| Gravity | affects every object in the universe - depending on its mass and distance | 
| Mass | the quantity of matter as determined from its weight | 
| Calculus | math that lets us measure curves and iregular shapes | 
| Optics | branch of physics that deals with properties of light | 
| Refract | to pass through or shine through - using lenses to bend light | 
| Counterfeiter | someone who creates or attempts to use money that is not genuine | 
| Reflecting Telescope | used mirrors to reflect light, resulting in a much higher quality image |