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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 3 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: A spring bubbling out of a hillside, A salt marsh by the sea, A very salty lake in a hot desert, A cloudy brown river after a storm

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

Sort: The water in a seaside bay, The open ocean, A clear mountain stream, A lake in the hills

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

Sort: A garden pond, Sea spray on a windy beach, Raindrops falling on a window, A rock pool on the beach

Fresh waterSalt water

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

Answer key — Fresh or Salty?

Set 3. Prints on its own sheet.

  1. 1.1. A cloudy brown river after a storm — Fresh water 2. A salt marsh by the sea — Salt water 3. A spring bubbling out of a hillside — Fresh water 4. A very salty lake in a hot desert — Salt water
  2. 2.1. A clear mountain stream — Fresh water 2. A lake in the hills — Fresh water 3. The open ocean — Salt water 4. The water in a seaside bay — Salt water
  3. 3.1. A garden pond — Fresh water 2. A rock pool on the beach — Salt water 3. Raindrops falling on a window — Fresh water 4. Sea spray on a windy beach — Salt water

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