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Study Guide Answers
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1.
What is the mathematical science that studies interactions between energy and matter?
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physics |
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2.
What are two things that physicists investigate?
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the structure of matter and the motion of planets |
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3.
What university did Newton attend?
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Cambridge University |
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4.
Newton laid the foundation for what upper branch of mathematics?
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calculus |
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5.
How did Newton discover that sunlight is a mixture of all colors?
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by using a prism |
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6.
Which of Newton's inventions allows us to study the motions of planets and other celestial bodies?
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the reflecting telescope |
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7.
Fundamental scientific statements are scientific _________________________.
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laws |
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8.
What does the Law of Universal Gravitation state?
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that every object in the universe attracts every other object with a certain gravitational force |
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9.
____________________________ is the measure of matter in an object.
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Mass |
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10.
___________________________ is the measure of separation between two points.
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Distance |
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11.
What is the set number that's inserted into an equation to find the gravitational attraction between objects?
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the universal gravitational constant |
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12.
The earth's pull on objects is _______________________.
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weight |
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13.
What keeps the moon in orbit?
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earth's gravitational force |
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14.
Principia was published in what year?
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1687 |
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15.
A push or a pull that causes a body to change its state of motion is _________________________.
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force |
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16.
What is stated in Newton's First Law of Motion?
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An object continues in its state of rest or of uniform motion unless compelled to change that state by an external force. |
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17.
An object at rest will ______________________________________________________________.
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stay at rest unless a force is applied |
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18.
An object will continue with a constant velocity unless ______________________________________.
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compelled to change by a force |
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19.
The First Law of Motion is also called "________________________________________________."
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The Law of Inertia |
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20.
What is "inertia"?
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the property that makes an object stay in motion if it is moving or remain motionless if it is not moving |
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21.
The force that opposes motion between two surfaces is _____________________________.
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friction |
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22.
If a force acts on an object, what will happen?
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the object will accelerate |
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23.
If the same force is applied to a light object and to a heavy object, which will show a greater
change of motion?
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the lighter object |
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24.
For every force exerted on an object, there is a corresponding and _______________________ force.
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opposite |
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25.
Force is measured in ____________________________________.
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newtons |
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26.
When an object is pushed, it ________________________________________________________.
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moves in the direction in which it was pushed |
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27.
For each action, there is _____________________________________________________________.
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an equal and opposite reaction |
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28.
What is the study of objects, forces, motion, and properties of matter?
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mechanics |
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29.
Einstein concluded that the mass of an object can change with _______________________________.
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velocity |
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30.
For what theory is Einstein famous?
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The Theory of Relativity |
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© Educational Video Network, Inc. 2005 - www.evndirect.com
Your leading source for curriculum-based educational videos and DVDs.
|