The laws of motion

  Have you ever done anything fun in science? We did, and it was the most fantastic time!!! We did bottle rockets. The bottle rockets had Ethyl alcohol (etOH) in it. We would make sure that it evaporated so that it can burn. The bottle was on a string so it could guide it across the room and keep it on track and not fly about the room.  Later, we did the same experiment outside but in small groups.  Mr. L lit up all the rockets and different people held the string.  This string was very long to see whose rocket went the furtherest.  My rocket went the shortest length.  


Inertia:  an object at rest tends to stay at rest and an object in motion tends to stay in motion.
The bottle was at rest and had no motion until it was lit.  The door handle was in the way which kept the rocket from going once it was lit.


Acceleration/Force & Mass:  when a force is applied to an object it accelerates.  The acceleration is in the direction of the force and proportional to its strength, and is also inversely proportional to the mass being moved.
The fire was the force that caused the rocket to accelerate.  To make the rocket accelerate faster more alcohol is needed and less weight but if wanted it to go slower put less alcohol and more weight.
(Inversely Proportional: means that as the mass of an object gets larger, the amount of acceleration that the force is able to provide gets smaller.) 


Action and Reaction: for every action there is an equal and opposite reaction.
The action was the alcohol got lighted.  The reaction was the rocket moved fast to the door.


by Yellow Mango that rhymes with Durango