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DCA 3 Review

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  • What causes seasons?
    REVOLUTION and TILT
  • How many total atoms are in this molecule?
    26
  • If I want to find similar atoms, where should I look?
    Periods
    Groups
    Sections
  • What type of galaxy is the Milky Way Galaxy?
    Spiral
    Irregular
    Elliptical
  • What factor determines how a star travels through it's life cycle?
    Mass
  • What's the difference between speed and velocity?
    Velocity is speed with direction
  • How would you describe the motion of the car?
    The speed of the vehicle was increasing.
    The acceleration of the vehicle was increasing.
    The vehicle was accelerating at a constant rate.
    The vehicle was traveling at a constant speed.
  • What spectral class is our sun located in?
    G
  • What's the car's average speed in miles per hour?
    31.67
  • Why does the water keep moving when the man and cup are stopped due to tripping?
    Inertia (Objects in motion stay in motion, Newton's 1st Law)
  • If a car is traveling 234 miles per hour east, which of these statements is true?
    The acceleration is 234 mi/s^2
    The acceleration is 3.9 mi/s^2
    The speed is 3.9 mi/s east
    The velocity is 3.9 mi/s east
  • When mass is held constant, as force increases, what happens to the acceleration?
    Increases
  • How many neutrons are in the nucleus of a Scandium atom with a mass number of 45?
    24
  • When combining vinegar and baking soda, it creates a gas. What's true about the mass of the reactants and products?
    They stay the same
    The products lose mass
    The productsts gain mass
  • What color are the good conductors of electricity?
    Blue
  • What causes day and night?
    Earth's ROTATION
  • If the plane weighs 35 Kg, what is it's acceleration?
    20 m/s^2
  • If the man and car have a mass of 3 Kg, what is the acceleration?
    1 m/s^2
  • What corner are the hottest and brightest stars found?
    Top Left
  • An apples sits on a table. Describe the forces acting on it.
    they are balanced so no change in motion occurs
    they are unbalanced so no change in motion occurs
    they are balanced so motion occurs
    they are unbalanced so motion occurs
  • What color are the non-metal gases?
    Yellow
  • How can we tell the reactivity of an atom?
    Number of valence electrons
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