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Ninth Grade (Grade 9) Science Questions

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Grade 9 :: DNA, RNA, and Genetics by meganber
Which of the following word describes the synthesis of RNA using a DNA
  1. transcription
  2. translation
  3. photosynthesis
  4. respiration
Grade 9 :: Biochemistry by LBeth
[math]C_6H_12O_6 + 6O_2->6CO_2+6H_2O+en ergy [/math] is the balanced chemical equation for
  1. photosynthesis
  2. glycolysis
  3. cellular respiration
  4. Krebs cycle
Grade 9 :: Geomorphology by CaryBloomquist
A glacier will retreat if
  1. more ice accumulates than melts.
  2. it gains ice at the same rate that ice melts.
  3. more ice melts than accumulates.
  4. the ice melts slower than it accumulates.
Grade 9 :: Magnetism and Electricity by jlovering
Complete the following statement:

If you increase the resistance in a series circuit,                               .
  1. the current will also increase
  2. the current will decrease
  3. the voltage will increase
  4. the voltage will decrease
Grade 9 :: Tectonics by CaryBloomquist
What is a fault?
  1. the point inside Earth at which an earthquake occurs
  2. the point on Earth's surface directly above the earthquake focus
  3. a fracture in Earth along which movement has occurred
  4. a fracture in Earth along which NO movement has occurred
Grade 9 :: Outer Planets by LBeth
Which gas gives the planets shown below their color?
Planet Neptune - SmallPlanet Uranus - Small
  1. nitrogen
  2. methane
  3. ammonia
  4. carbon dioxide
Grade 9 :: Bonds and Mixing by der1228
Grade 9 :: Heat Transfer by der1228
Friction causes kinetic energy to be converted into
  1. potential energy.
  2. thermal energy.
  3. mechanical energy.
  4. electrical energy.
Grade 9 :: Scientific Method by sackjd
What would be an appropriate hypothesis related to investigating the image?
Pictograph - Adult Butterfly
  1. If the temperature becomes too cold, then the butterfly will be unable to reproduce.
  2. The butterfly eats nectar only when there is no wind happening.
  3. The spots on the butterfly's wings are used to help it capture prey.
  4. Butterflies use their antennae to detect signals coming from other organisms.
Grade 9 :: Simple Machines by jlovering
If a machine has a mechanical advantage less than one, which of the following must be true:
(Think carefully)
  1. The Effort Force is less than the Resistance Force
  2. The Effort Distance is greater than the Resistance Distance
  3. The Effort Distance is less than the Resistance Distance
  4. The Effort Force and Resistance Force are the same.
Grade 9 :: Properties of Matter by kaitlyn_woods
What is matter?
  1. anything that has mass and takes up space
  2. anything that has momentum and takes up space
  3. the study of properties of mass and how it changes
  4. something that cannot be broken down nto any other substances
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