gen sci

• a. Sirius


  Excluding the sun, what is the brightest star in the

  sky?

  a. Sirius

  b. Venus

  c. Betelgeuse

  d. The Big Dipper
• c. It decreases


  When you go to a higher altitude, what happens to the

  boiling point of water?

  a. It increases

  b. It stays the same

  c. It decreases

  d. It fluctuates
• Centrifugal Force


  What do you call the apparent force that pulls a

  rotating object away from the center of its rotation?
• b. Pressure


  164. When electrons of a gas collide more frequently with

  each other and the container, ______ is increased.

  a. Temperature

  b. Pressure

  c. Volume

  d. Molarity
• d. Fluorine


  166. Which element is the most electronegative?

  a. Neon

  b. Francium

  c. Sodium

  d. Fluorine
• a. Cellulose


  Wood is primarily made up of what organic

  compound?

  a. Cellulose

  b. Carbon Tetrachloride

  c. Carotid

  d. Celluloid
• a. A sugar


  Cellulose is what type of compound?

  a. A sugar

  b. An inorganic compound

  c. A thermoplastic

  d. A non-digestive enzyme
• stratovolcano


  mount mayon is a
• c. Oil is non-polar while water is a polar substance


  173. Why doesn't oil mix with water?

  a. Oilis lighter than water

  b. Oil has a lower density compared to water.

  c. Oil is non-polar while water is a polar substance.

  d. Oil's carbon content cannot mix with water's

  hydrogen.
• a. Henri Becquerel


  186. 'Who discovered radioactivity from Uranium

  salts?

  a. Henri Becquerel

  b. Marie Curie

  c. Albert Einstein

  d. Joseph Proust
• shooting star


  meteor passing through earth's atmosphere
• solar system - large body of either rocks or gas that follows a consistent orbit around a star
• 5.9 trillion miles


  how many miles in light year?
• the day after tomorrow

  time takes for earth to spin around its axis
• rotation


  daylight depend on
• year


  season depends on
• 365 and 1/4 days


  how many days for revolution
• blue stars


  color of the hot stars
• t


  not all stars have planets that revolve on them (t or f)
• d.


  if earth's period of rotation will increase to 28 hours, what will occur

  a. fewer days in week

  b. length of daylight and nighttime will increase

  c. earth's distance from sun will increase

  d. it would take earth longer to revolve around the sun
• c because of strong gravity of sun

  as comets approach sun, what will be observed from earth?

  a. they will explode

  b. their gasses burn

  c their tails get longer

  d they begin to dlow down
• asteroid belt


  which separates inner planet and outer planet
• b


  which characteristics best explains change of season

  a. diameter of the earth

  b. tilt of earth's axis

  c. speed of earth's rotation

  d. distance from earth to sun
• carbon


  element present in living
• intensive kay way gabag o kung islan ang mass kag volume


  is density intensive or extensive property
• PLASMA


  what state f matter is common to the universe?
• ACIDIC


  is our body acidic or basic?
• 2/3


  how many percent is water in our body and earth
• same

  what happens to density when cut in half
• gas

  which states of matter can be compressed?
• sun rises in east
• sun set in west
• 45


  firing angle maximum range
• troposphere


  atmospheric layer nearest earth's surface
• osmosis


  movement of molecules from weaker liquid on one side to a stronger liquid on the other side
• solar energy


  non-conventional source of energy
• decantation


  oil can be separated from water by
• less than 30 degrees


  most number of images in plane mirror
• galaxy


  ensemble of hundreds of millions of stars
• uniform circular motion


  the planet's motion around the sun illustrates