SET C exam Reviewer SCIENCE

• what force pulls an object back to the earth?

  Gravity
• who formulated the three laws of motion?

  Sir Isaac Newton
• what refers to how large or strong is the force?

  Magnitude
• what is always directed opposite to the motion of an object?

  Friction Force
• the potential energy is the energy of an object has due to its ___________?

  position, properties, and forces acting on it
• Kinetic energy is the energy an object possessed due to its ______?

  Motion
• which of the following factors does the speed of sound depend?

  Type of medium and its state
• what refers to a vibration of the earth due to the rapid release of energy
• what refers to a vibration of the earth due to the rapid release of energy?

  Earthquake
• what point on earth's surface is directly above the focus?

  Epicenter
• what is focus?

  Point inside the earth where the earthquake started
• what scale measures the magnitude a size of an earthquake?

  Richter Scale
• what is centered on the portion of the fault that has greatest movement?

  Focus
• what type of wave is P wave?

  Pressure waves/longitudinal compression waves
• what is the most destructive seismic wave?

  Surface waves
• Which of the following states of matter cannot be held by your hand?

  Gas
• which subatomic particle is negatively charged?

  Electrons
• An atom of an element is electrically neutral because the number of protons is equal to the number of ________?

  Electrons
• Which term is used to the vertical columns of the periodic table?

  Groups
• what are group 1 elements known as?

  Alkali metals
• which metal is widely used as jewelry?

  Gold, silver, and platinum
• which of the following best describes metals?

  good conductors of heat and electricity
• which phase of the cell cycle does DNA replication occur?

  S phase
• which stage in the life of a cell spent most?

  Interphase
• which stage of mitosis where the chromatids of chromosomes separate and begin to move away from each other?

  Anaphase
• The following organs are part of the human digestive system except?

  depends
• In which part of the digestive system does the breaking down of food into tinier pieces occur?

  Mouth
• Which tiny structures line the internal surface of the small intestine to increase its surface area for the

  absorption of nutrients?

  Villi
• where does the absorption of nutrients mostly occur?

  Small intestine
• What do you call the wavelike contraction of the smooth muscles of digestive tract that pushes food in

  small sections through the gastro-intestinal tube?

  Peristalsis
• It is the process by which the nutrients from the digested food move into the blood vessels passing through the lining of the small intestine?


  Absorption