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 22 of 25 · the same problems every time you open this link.
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 clear mountain stream, A salt marsh by the sea, A very salty lake in a hot desert, A lake in the hills
Fresh waterSalt water
2.Sort each one: Fresh water or Salt water?
Sort: The water in a seaside bay, A cloudy brown river after a storm, Sea spray on a windy beach, A spring bubbling out of a hillside
Fresh waterSalt water
3.Sort each one: Fresh water or Salt water?
Sort: A rock pool on the beach, Waves breaking on the shore, A garden pond, A chunk of ice broken off a glacier
Fresh waterSalt water
LessonPrint · 2-ESS2-3 · Set 22 · free to copy for classroom use
Answer key — Fresh or Salty?
Set 22. Prints on its own sheet.
1.1. A clear mountain stream — Fresh water 2. A lake in the hills — Fresh water 3. A salt marsh by the sea — Salt water 4. A very salty lake in a hot desert — Salt water
2.1. A cloudy brown river after a storm — Fresh water 2. A spring bubbling out of a hillside — Fresh water 3. Sea spray on a windy beach — Salt water 4. The water in a seaside bay — Salt water
3.1. A chunk of ice broken off a glacier — Fresh water 2. A garden pond — Fresh water 3. A rock pool on the beach — Salt water 4. Waves breaking on the shore — Salt water
Last reviewed 2026-09-05. Aligned to 2-ESS2-3 of the Next Generation Science Standards.