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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 9 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 4 had neither. What does its result add?
  • A.Nothing at all
  • B.It proves soil is useless
  • C.It shows what happens with nothing, to compare the others against
2.Tray 3 had water and no sunlight and grew pale thin grass. What does that show?
  • A.Water lets it grow, but sunlight is needed to grow thick and green
  • B.Water is not needed
  • C.Sunlight does nothing
3.Why were all four trays sown on the same day?
  • A.So the class was busy
  • B.So the trays matched
  • C.So only the sunlight and the water differed between them
4.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.Without water nothing grows at all
  • B.Grass hates sunlight
  • C.Sunlight is not needed
5.A pupil waters one tray more than the others. What is wrong?
  • A.Nothing, more water is better
  • B.The tray will be tidier
  • C.Two things now differ, so the result cannot be explained
6.What should be kept the same in a plant test?
  • A.The seed, the soil and the tray
  • B.The amount of light in every tray
  • C.Nothing, so it is interesting
7.How long should a plant test run?
  • A.Until somebody gets bored
  • B.Long enough for a difference to show, such as three weeks
  • C.One afternoon
8.What would settle whether a plant needs soil as well?
  • A.A tray with water and light but no soil
  • B.Asking a gardener
  • C.Watching tray 1 for longer

LessonPrint · 2-LS2-1 · Set 9 · free to copy for classroom use

Answer key — Sunlight, Water, or Both

Set 9. Prints on its own sheet.

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

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.