Worksheet

Weathering and Erosion

Grade 4 - Science - On Level

NameDate

  1. Observation: wet sand near the shore was carried away after repeated waves. Which explanation fits?

    • water eroded the steep slope faster
    • waves eroded the shoreline
    • roots weathered the surface as they grew
    • ice weathered the rock by expanding

  2. Which agent caused the change in this observation: more sand washed from the steep tray than the flat tray?

    • ice
    • running water
    • plant roots
    • wind

  3. Which setup would likely erode faster?

    • a protected surface with no moving material
    • protected shore with plants
    • a sealed rock kept dry indoors
    • shoreline hit by many waves

  4. Which solution could slow this process caused by wind?

    • keeping large roots away from pavement can reduce cracking
    • terraces can slow soil movement on slopes
    • covering soil with plants can slow wind erosion
    • sealing cracks can reduce water entering them

  5. Which comparison gives useful evidence about weathering or erosion?

    • rock color before and after with no force or movement tested
    • a slope label compared with another label but no observation
    • two trays with the same conditions but no sediment measured
    • shoreline hit by many waves compared with protected shore with plants

  6. Observation: more sand washed from the steep tray than the flat tray. Which explanation fits?

    • waves eroded the shoreline
    • water eroded the steep slope faster
    • the surface did not change
    • roots weathered the surface as they grew

  7. Which agent caused the change in this observation: roots grew into a sidewalk crack and pushed it wider?

    • plant roots
    • gravity and rain
    • waves
    • running water

  8. Which setup would likely erode faster?

    • damp sand with grass
    • a protected surface with no moving material
    • dry bare sand with strong wind
    • a sealed rock kept dry indoors

  9. Which solution could slow this process caused by gravity and rain?

    • covering soil with plants can slow wind erosion
    • dune grass can help hold beach sand
    • keeping large roots away from pavement can reduce cracking
    • terraces can slow soil movement on slopes

  10. Which comparison gives useful evidence about weathering or erosion?

    • rock with water freezing in cracks compared with dry rock with no cracks
    • rock color before and after with no force or movement tested
    • a slope label compared with another label but no observation
    • two trays with the same conditions but no sediment measured
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