P. Science

• Formation of the universe began through the explosion of primordial atom 


  Big Bang Theory
• Born out of clouds of gas and dust in galaxies 


  stars
• It takes place into a fusion in the center of stars

  Stellar Nucleosynthesis
• formed from GAS and DUST particles which are pulled together by gravity


  Nebula
• which statement is False?

  • core of red giant is made up of carbon
  • star has shorter life span
  • star is the faster it burns its fuels
  • No elements heavier the iron can be produced in a massive star

  D
• several limitations and misconceptions associated with the B.B Theory EXCEPT:

  • BigBang refers to the....Big bang model
  • The Big bang was NOT an explosion...
  • the theory explains what caused it..
  • Big bang model does not need a cause to be a valid theory

  B
• Who discovered NEUTRONS? 


  Chadwick
• Materials that can attack chemically destroy exposed body tissue?


  Corrosive
• Published a Periodic table of elements

  Henry Mooseley
• There are elements atomic numbers beyond 103


  Super Heavy Elements
• Which of the statement about synthesis is NOT TRUE

  • Cyclotron paved the way..
  • High energy particles produce..
  • Synthesis of element is done to..
  • Synthesis of element is NOT needed..

  D
• Chemically combined with another atom

  Electronegativity
• miscible in haxane (C6H14)


  Methanol (CH3OH)
• Cohesive forces bring about capillary action. CAPILLARY ACTION FORCES ARE_


  pulling molecules towards gravity
• Water is a polar molecule that is capable of forming H=bonds. What is expected of its vapour pressure? 


  Vapour pressure is high
• Lolo Hugo has Hypertension. What type of oil SHOULD NOT BE USE FOR LOLO HUGO'S MEAL?

  Butter
• Which Macromolecule is advised to be in moderation for a Diabetic Patient?


  Carbohydrate
• NOT TRUE about CO2?


  Is a polar molecule
• IMFA's is considered as the weakest?


  London forces
• will DISSOLVE most likely in water when mixed together?

  Vinegar
• Exists between oppositely charged ions.

  Ion-Ion Interactions
• TRUE about nonpolar molecules

  Have low vapor pressure
• This causes the liquid to create a dome shape on its surfaces


  Concave Meniscus
• what solution should he use to dissolve the Iodine?


  Vinergae
• true about VISCOSITY OF SUBSTANCES


  substances increases
• The vapor pressure on top of the mountain is LOW so what will happen to the COOKING TIME OF AN EGG UP THERE?


  longer temperature and water is lower
• METHANE WILL NOT DISSOLVE IN WATER DUE TO...


  difference in intermolecular
• Biomolecular group carries and passes...


  Nucleic acids
• What are the atoms that make up CARBOHYDRATES?


  C, H, and O
• Which organic molecule gives FAST SOURCE OF ENERGY ?


  Carbohydrates
• How does a CATALYST WORK IN SPEEDING UP A REACTION

  lowering the activation energy
• energy that comes from sources THAT WILL RUN OUT OR WILL NOT BE REPLENISHED in our lifetimes


  Non-renewable
• This form of energy INCLUDES HYDROCARBONS SUCH AS COAL, OIL, AND NATURAL GAS..


  Fossil Fuels
• Converts the kinetic energy of falling water into mechanical energy?


  turbine
• formed from nebula due to GRAVITY THAT PULLED HYDROGEN GAS TOGETHER


  Protostar
• form when NUCLEAR FUSION OCCURS AT THE CORE OF THE STAR


  Main Sequence Star
• It cools down and turns RED

  red giant
• Red giant star becomes exhausted of Nuclear Fuel, THE OUTER MATERIAL IS BLOWN OFF INTO SPACE leaving the inner carbon. The remnant is known as...


  White Dwarf
• the Remain of the White Dwarf that cooled down and NO LONGER EMITS LIGHT AND BEAT

  Black Dwarf
• Amore MASSIVE MAIN SEQUENCE STAR EVOLVES, COOLS, AND EXPANDS FASTER..


  Red Super Giant