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Motion
science
| Question | Answer |
|---|---|
| the change in an object's location over a certain amount of time | motion |
| the motion of an object along a straight line | linear motion |
| What are two types of linear motion? | horizontal and vertical motion |
| the distance that an object travels over a certain amount of time | velocity |
| a scientist who studies motion | physicist |
| the motion of an object around a central point | angular motion |
| the motion of an object in a complete circle | rotational motion |
| the back and forth motion of an object from a central point | periodic motion |
| the push or pull of one object on another | force |
| the force that resists the motion of one object against another | friction |
| the force pulling together all objects in the universe | gravity |
| the amount of work done over a certain amount of time | power |
| using a force on an object to make it move | work |
| a tool that requires only one force to be used | simple machine |
| a combination of two or more simple machines | compound machine |
| Motion that is forward, backward, left, or right. | horizontal motion |
| Motion that is up and down. | vertical motion |
| Velocity is also called _______. | speed |
| Name 4 famous physicists. | Leonardo Da Vinci, Galileo Galilei, Sir Isaac Newton, and Albert Einstein |
| When an object returns to the place where it started, it has completed one _______. | rotation |
| An example of rotation is a ______ ______. | ferris wheel |
| An example of periodic motion is a _______ opening and closing. | door |
| Forces can exist between two objects that are not in ________. These forces _____ and ______ objects from a distance. | contact - push - pull |
| Who was one of the greatest physicists that ever lived? | Sir Isaac Newton |
| Sir Isaac Newton is famous for his study of ______. | motion |
| Newton is famous for his discovery of _______ that describe how objects ______. | laws - move |
| Newton believed science and mathematics supported the ________. | Bible |
| Newton's first law says: Every object at ______ stays at rest and every object in ________motion remains in motion unless they are acted upon by outside ________. | rest - motion - forces |
| How many types of simple machines are there? | six |
| What is a rigid bar that rotates about a fixed point? | lever |
| A ______ and _____ turns the rotation of the wheel into a force on an axle. | wheel and axle |
| What is a wheel with a rope that passes over it to lift objects? | pully |
| What is an inclined plane wrapped around a wheel and axle? | screw |
| What is made from back to back inclined planes? | wedge |
| What is a slanted surface? | inclined plane |
| What is an example of a wheel and axle? | bicycle |
| What is an example of a pulley? | well |
| What is an example of a screw? | water bottle |