Science 5th Grade 2nd 6 Weeks

  1. What is a Paleontologist?
    A scientist that studies life from the past
  2. What is the youngest layer in a sedimentary rock?
    Top layer
  3. The oldest layer in a sedimentary rock is located where?
  4. How are Sedimentary rocks made?
    • 1.  Erosion
    • 2.  Deposition - rocks fall down
    • 3.  Compaction
    • 4.  Cementation
  5. What is found in the layers of sediment?
  6. What is a fossil?
    remains or trace of an organism (plant or animal) that was once alive.
  7. After many years, the plant and animal remains turn into what?
    Fossil fuels
  8. Name three types of fossil fues?
    • 1.  Coal
    • 2.  Oil
    • 3.  Natural Gas
  9. What two process take place on loose sediment which cause it to hold together?
    • 1.  Compacted
    • 2.  Cemented
  10. Rocks are composed (made) of how many substances?
    One or more
  11. How are Igneous Rocks formed?
    Molten (lava) masses (rocks) within the Earth
  12. How are Sedimentary Rocks formed?
    • 1.  Particles (sediments) from streams, lakes or oceans
    • 2.  Chemical action
    • 3.  Wind
  13. How are Metamorphic Rocks formed?
    Altering (changing) Igneous or Sedimentary rocks by heat or pressure
  14. Name some Igneous Rocks
    • 1.  Granite
    • 2.  Obsidian
    • 3.  Pumice
    • 4.  Basalt
    • 5.  Porphyry
  15. Name some Metamorphic Rocks:
    • 1.  Gneiss
    • 2.  Schist
    • 3.  Slate
    • 4.  Marble
    • 5.  Quartzite
  16. Name some Sedimentary Rocks:
    • 1.  Conglomerate
    • 2.  Gypsum
    • 3.  Shale
    • 4.  Limestone
    • 5.  Sandstone
  17. When does the rock cycle end?
    Never - it is always changing
  18. What is a Sediment?
    Small solid pieces of material that come from rocks or living things
  19. How does erosion occur?
    Running water or wind loosen and carry the pieces (fragments) away
  20. What is Deposition?
    When sediment (pieces) settle out of the wind or water carrying it
  21. What is Compaction?
    Process of pressing the sediments (pieces) together

    Think of Papa and Yaya's trash compactor
  22. What is Cementation?
    When the minerals crystallize and "glue" the sediment (pieces) together
  23. What are the three major groups of sedimentary rocks?
    • 1.  Clastic - squeezed together
    • 2.  Organic - plant and animal remains
    • 3.  Chemical - minerals dissolved in a solution crystallize
  24. How is coal formed?
    Chemical and physical changes (heat) turned plants and animals into coal and oil
  25. What is Reflection?
    Bouncing of light from a surface

    Like a mirror or plastic
  26. What is Refraction?
    When light bends as it is transported (moves) through something

    example: microscopes and telescopes
  27. How does light travel?
    Straight until it hits something or is pulled down by gravity
  28. What causes waves to change direction?
    They slow down
  29. How does a lens work?
    • 1.  It refracts light
    •        Concave make things look smaller

    Our eyes are convex
  30. What is refracted
    Bent light passing from one kind of matter to another 

    Example:  straw, spoon, water glass, glasses, cameras
  31. Name four things light can do?
    • 1.  Reflected
    • 2.  Refracted
    • 3.  Absorbed
    • 4.  Transmitted
  32. What does transmitted mean?
    Passes through objects
  33. What does absorbed mean?
    Catches the light and turns it into heat

    Example:  Black asphalt (street)
  34. What part of the eye detects (sees) light
  35. What happens to light with a transparent object?
    It passes through with almost no change.

    Example:  Window
  36. What happens to light with a translucent object?
    Some light passes through but you can't see all of the details clearly.

    Example:  Wax Paper
  37. What happens to light with an opaque object?
    No light can pass through it so you can't see anything.  

    Example:  Foil
  38. Light is a form of what?
  39. What is heat conduction?
    transfer of heat

    example of "butter"
  40. What is the wavelength of sound waves?
    the distance from the crest (top) of one wave to the crest (top) of the next wave
  41. What is the frequency of sound waves?
    the number of waves that pass a point in each sound
  42. What is the amplitude?
    The measure of the amount of energy in a sound wave
  43. What is the compression of sound waves?
    small pieces crowded together that make an upward curve
  44. what is a rarefactions of sound waves?
    small pieces spread apart that make a downward curve
  45. High frequency sound wave will be
    close together
  46. Soft sound wave will...
    have lower waves than a loud sound wave
  47. What is a renewable resource?
    A resource that can be replaced within a fairly short time

    Example:  Trees, Fish
  48. What is a non-renewable resource?
    Fossil fuels

    Example:  Gas, Oil, Coal
  49. What is electrical energy
    Energy carried by electricity
  50. What is radiant energy
    Energy that travels as waves and can move through space

    Example: Light, Sun, X-Rays
  51. What are examples of Simple Machines?
    • 1.  Pulley
    • 2.  Lever
    • 3.  Wedge
    • 4.  Wheel and axle
    • 5.  Screw
Card Set
Science 5th Grade 2nd 6 Weeks
Science 5th Grade