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Sunlight, Water, or Both is a free printable Grade 2 science worksheet on planning an investigation into what plants need to grow, aligned to Common Core standard 2-LS2-1. It prints 8 questions with an answer key on its own sheet of paper, in 25 versions that each ask different questions, so no two pupils in the class work from the same page. Print it from the browser or download it as a PDF — no account, no email.

Set 23 of 25 · the same problems every time you open this link.

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One paper per pupil

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Set 1 has all 25 in a single PDF. All 25 sets ask different questions.

Sunlight, Water, or Both

2-LS2-1

NameDate

Circle the best answer.

1.Tray 3 had water and no sunlight and grew pale thin grass. What does that show?
  • A.Water is not needed
  • B.Water lets it grow, but sunlight is needed to grow thick and green
  • C.Sunlight does nothing
2.How long should a plant test run?
  • A.Until somebody gets bored
  • B.One afternoon
  • C.Long enough for a difference to show, such as three weeks
3.Tray 1 had sunlight and water and grew thick green grass. Tray 2 had sunlight and no water and grew nothing. What does that show?
  • A.Sunlight is not needed
  • B.Without water nothing grows at all
  • C.Grass hates sunlight
4.What would settle whether a plant needs soil as well?
  • A.Watching tray 1 for longer
  • B.A tray with water and light but no soil
  • C.Asking a gardener
5.What should be kept the same in a plant test?
  • A.The seed, the soil and the tray
  • B.Nothing, so it is interesting
  • C.The amount of light in every tray
6.Why were all four trays sown on the same day?
  • A.So the trays matched
  • B.So the class was busy
  • C.So only the sunlight and the water differed between them
7.A pupil waters one tray more than the others. What is wrong?
  • A.Nothing, more water is better
  • B.Two things now differ, so the result cannot be explained
  • C.The tray will be tidier
8.Tray 4 had neither. What does its result add?
  • A.It proves soil is useless
  • B.It shows what happens with nothing, to compare the others against
  • C.Nothing at all

LessonPrint · 2-LS2-1 · Set 23 · free to copy for classroom use

Answer key — Sunlight, Water, or Both

Set 23. Prints on its own sheet.

  1. 1.Water lets it grow, but sunlight is needed to grow thick and green
  2. 2.Long enough for a difference to show, such as three weeks
  3. 3.Without water nothing grows at all
  4. 4.A tray with water and light but no soil
  5. 5.The seed, the soil and the tray
  6. 6.So only the sunlight and the water differed between them
  7. 7.Two things now differ, so the result cannot be explained
  8. 8.It shows what happens with nothing, to compare the others against

More practice for 2-LS2-1

Test whether plants need sunlight and water to grow.

Teaching this next? Sunlight, Water, or Both is the 50-minute plan for it, with the misconceptions to expect.

All Grade 2 worksheets

Last reviewed 2026-09-05. Aligned to 2-LS2-1 of the Next Generation Science Standards.