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2nd grade earth and rocks

2nd grade (Year 3 in England) · 16 questions · Common Core: NGSS.2-ESS2-2, NGSS.2-ESS2-3, NGSS.5-ESS2-2, NGSS.2-ESS1-1 · England: KS1 Geography links, KS3 Chemistry: Earth and atmosphere, KS2 Y4 States of matter

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Date

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  1. Question 1

    Which body of water moves in one direction all the time?

    • A. a puddle
    • B. a lake
    • C. a pond
    • D. a river
  2. Question 2

    About 96.5% of Earth's water is salt water. What percentage is fresh water?

    Answer%

  3. Question 3

    Which landform is described: low land between two hills?

    • A. mountain
    • B. valley
    • C. island
    • D. river
  4. Question 4

    Does this slow erosion or make it worse: covering bare soil with mulch?

    • A. slows erosion
    • B. makes erosion worse
  5. Question 5

    True or false? Glaciers are growing all around the world.

    • A. True
    • B. False
  6. Question 6

    Is this a fast change or a slow change: a glacier carving a valley?

    • A. fast (minutes to days)
    • B. slow (many years)
  7. Question 7

    Two sloping trays of soil were watered with the same watering can. One tray had grass growing in it. How many more grams of soil washed off the bare tray?

    Soil washed off the tray (g)0100200300400500600541bare soil81soil with grass

    Answerg

  8. Question 8

    True or false? An island has water on only one side.

    • A. True
    • B. False
  9. Question 9

    Why does most of an iceberg stay hidden under the water?

    • A. Ice sinks to the bottom.
    • B. Fish hold it down.
    • C. Ice is only a little lighter than water, so it floats low.
    • D. Icebergs are shy.
  10. Question 10

    Which description matches a volcano?

    • A. a very high, steep area of land with a peak
    • B. a mountain with an opening where hot melted rock can come out
    • C. a high, flat area of land with steep sides
    • D. land with water all around it
  11. Question 11

    True or false? Glaciers are made of salt water.

    • A. True
    • B. False
  12. Question 12

    Which of these usually holds the MOST water?

    • A. a lake
    • B. an ocean
    • C. a pond
  13. Question 13

    Is this salt water or fresh water: a rock pool at the beach?

    • A. salt water
    • B. fresh water
  14. Question 14

    Signs on sand dunes ask people to stay on the paths. Why?

    • A. Feet crush dune plants whose roots hold the sand.
    • B. The dunes belong to the birds only.
    • C. Paths are prettier.
    • D. The sand is too hot.
  15. Question 15

    Which landform is this: a high, flat area of land with steep sides?

    • A. peninsula
    • B. canyon
    • C. plateau
    • D. valley
  16. Question 16

    Where is most of Earth's fresh water?

    • A. in the sea
    • B. frozen in ice caps and glaciers
    • C. in puddles
    • D. in rivers

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Answer key: 2nd grade earth and rocks

  1. 1. D. a river

  2. 2. 3.5 %

  3. 3. B. valley

  4. 4. A. slows erosion

  5. 5. B. False

  6. 6. B. slow (many years)

  7. 7. 460 g

  8. 8. B. False

  9. 9. C. Ice is only a little lighter than water, so it floats low.

  10. 10. B. a mountain with an opening where hot melted rock can come out

  11. 11. B. False

  12. 12. B. an ocean

  13. 13. A. salt water

  14. 14. A. Feet crush dune plants whose roots hold the sand.

  15. 15. C. plateau

  16. 16. B. frozen in ice caps and glaciers