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Fresh or Salty? is a free printable Grade 2 science worksheet on identifying where fresh water and salt water are found, aligned to NGSS performance expectation 2-ESS2-3. It prints 3 questions with an answer key on its own sheet of paper, in 25 versions that each ask different questions, so no two students in the class work from the same page. Print it from the browser or download it as a PDF — no account, no email.

Set 11 of 25 · the same problems every time you open this link.

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

Fresh or Salty?

2-ESS2-3

NameDate

Sort each one into fresh water or salt water.

1.Sort each one: Fresh water or Salt water?

Sort: The water in a seaside bay, A chunk of ice broken off a glacier, A cloudy brown river after a storm, A rock pool on the beach

Fresh waterSalt water
2.Sort each one: Fresh water or Salt water?

Sort: A garden pond, Waves breaking on the shore, A clear mountain stream, Sea spray on a windy beach

Fresh waterSalt water
3.Sort each one: Fresh water or Salt water?

Sort: Raindrops falling on a window, A lake in the hills, A salt marsh by the sea, The open ocean

Fresh waterSalt water

LessonPrint · 2-ESS2-3 · Set 11 · free to copy for classroom use

Answer key — Fresh or Salty?

Set 11. Prints on its own sheet.

  1. 1.1. A chunk of ice broken off a glacier — Fresh water 2. A cloudy brown river after a storm — Fresh water 3. A rock pool on the beach — Salt water 4. The water in a seaside bay — Salt water
  2. 2.1. A clear mountain stream — Fresh water 2. A garden pond — Fresh water 3. Sea spray on a windy beach — Salt water 4. Waves breaking on the shore — Salt water
  3. 3.1. A lake in the hills — Fresh water 2. A salt marsh by the sea — Salt water 3. Raindrops falling on a window — Fresh water 4. The open ocean — Salt water

Last reviewed 2026-09-05. Aligned to 2-ESS2-3 of the Next Generation Science Standards.