Essays Tagged: "collisions"
Mercury
troscopic studies indicate that only an extremely thin atmosphere, containing sodium and potassium. Collisions with other protoplanets early in the history of the solar system may have stripped away l ...
Subjects: Science Essays > Astronomy
Gamma Rays
e artificialRadioactivity that accompanies these interactions. The high energy nucleineeded for the collisions are accelerated by such devices such as theCyclotron and synchrotron. There are al ...
Subjects: Science Essays > Physics
The forever shifting earth
convection current in the mantle drives plates around either against or away from each other. These collisions give rise to earthquakes, volcanoes, mountains, and continental drift. The crashing and s ... ity making the volcanoes arise in an arc due to the rotation of the plate.One of the beauties plate collisions could offer are mountains. There are three types of tectonic mountains: volcanoes, block ...
Subjects: Science Essays > Earth Sciences
An experiment to investigate the factors which affect the resistance in a wire.
s rise in temperature.Movement of charge carriers in any medium must necessarily be subject to such collisions causing loss of kinetic energy and generating heat in the medium. This heating of the med ... . In a longer circuit, it is more of a struggle for electrons to get around the circuit without any collisions. There are many more wire particles (acting like obstacles) to avoid. Electrons cannot in ...
Subjects: Science Essays > Physics
Cellular phones being used in cars.Should it be allowed? No!
gly harmless distractions. The number of cell phone users has sky rocketed as well as the number of collisions in America and this is cause for a law against phones while driving. "The sample group wa ... ery safe driving patterns."(University De Montreal) The opposite is true; younger drivers have more collisions and tend to be more likely to take risks. If a driver talking on the phone drives through ...
Subjects: Social Science Essays > Controversial Issues
Chemistry, the effects of acid rain includes experiment with marble chips.
olutions of reacting particles are made more concentrated there are more particles per unit volume. Collisions between reacting particles are therefore more likely to occur. All this can be understood ... or Ea. The size of this activation energy is different for different reactions. If the frequency of collisions is increased the rate of reaction will increase. However the percent of successful collis ...
Subjects: Science Essays
GCSE Physics Coursework - Resistance of a Wire Coursework Resistance of a Wire
ire and thus electricity is conducted. Resistance is the result of energy loss as heat. It involves collisions between the free electrons and the fixed particles of the metal, other free electrons and ... the free electrons and the fixed particles of the metal, other free electrons and impurities. These collisions convert some of the energy that the free electrons are carrying into heat.How is it measu ...
Subjects: Science Essays > Physics
A creative writing piece on a day of work experience at a nursery; through the eyes of an alien. (Title - Santa Claus is coming to town)
ation to the zone that was to undergo examination. Despite initial uncertainties I managed to avoid collisions with the nostalgic shooting stars and just escaped death from the Opilostic black hole th ...
Subjects: Literature Research Papers > Creative Writing
Effect of tempreature on sodium thiosulphate
d alter the outcome of the experiment. A reaction, basically, takes place when there are successful collisions between the particles of the reactants involved. The more energy that is present in react ... collide more successfully. If there is a higher concentration of the reactants present, successful collisions are increased because there are more particles present in them. If a catalyst is added, t ...
Subjects: Science Essays > Chemistry
To study how concentration affects the rate of a reaction.
e temperature increases the particles start to all move quicker. This means that there will be more collisions and more energy will be given out.*Concentration - If a solution is highly concentrated i ... s that as the concentration of the acid increases, the reaction gets stronger. This is because more collisions take place in a highly concentrated acid. These figures prove this theorem to be correct: ...
Subjects: Science Essays > Chemistry
Gamma Rays
artificial Radioactivity that accompanies these interactions. The high energy nuclei needed for the collisions are accelerated by such devices such as the Cyclotron and synchrotron.There are also many ...
Subjects: Science Essays
Enzymes and Their Properties
eaction to take place by bringing molecules in contact with each other, no longer relying on chance collisions. Most enzymes end in 'ase'. The active site of the enzyme is the part that comes in conta ...
Subjects: Science Essays > Biology
Title: Kinetic Molecular Theory
atter is made up of extremely small particlesb) these particles are in constant random motionc) all collisions between these particles are elastic, andd) mutual attractive forces exist between particl ...
Subjects: Science Essays > Chemistry
Physics coursework - Resistance of a wire
ire and thus electricity is conducted. Resistance is the result of energy loss as heat. It involves collisions between the free electrons and the fixed particles of the metal, other free electrons and ... the free electrons and the fixed particles of the metal, other free electrons and impurities. These collisions convert some of the energy that the free electrons are carrying into heat.How is it measu ...
Subjects: Science Essays > Physics
How Drinking Affects Driving (this is a final copy and a typed outline)
of all ages in fatal crashes one out of four is intoxicatedHalf of those killed in alcohol related collisions had not been drinkingMental Affects of Alcohol When DrivingAfter one drink first goes to ...
Subjects: Social Science Essays > Society and community > Children and Youngsters
The Key to Safer Buses is in One Simple "Click"
ound the world, save buses. This absence can leave children unprotected to side impact and rollover collisions. This is why school buses should be installed with seat belts and legislation passed to e ... nd in the bus and can sustain injuries. Compartmentalization, a safety feature for frontal and rear collisions, has constantly failed to provide protection in side impact and rollover crashes. With li ...
Subjects: Law & Government Essays
Elderly drivers
than any other driving group besides that of teenagers. These drivers usually tend to have the most collisions at intersections (SmartMotorist) and while attempting to make left hand turns. According ...
Subjects: Law & Government Essays > Law > Issues
The effects of change in concentration on the rate of reaction between Sodium Thiosulphate and Hydrochloric Acid.
tion energy barrier is more likely to be overcome when particle with greater energy react therefore collisions are more likely to occur. This can be justified by relating to the Collision theory, whic ... on yields an increase in reaction rate, because more reactant molecules are present, therefore more collisions.-The hypothesis is that as the concentration of sodium thiosulphate is increased, the rea ...
Subjects: Science Essays > Chemistry
Resistance Investigation
hink this will happen because as the resistance increases the ions are closer together causing more collisions slowing down the velocity of the current through the wire.Method:1. Collect all equipment ...
Subjects: Science Essays > Physics
Length affects the resistance
gh the wire as they collide with the atoms which are in their pathway. This increases the amount of collisions therefore there is more resistance. However it is hard to keep the temperature exactly th ... nvestigation. Electrons have a longer distance to travel when the wire is longer, so there are more collisions .The length of the wire will make a difference to the resistance. This is because when yo ...
Subjects: Science Essays > Physics