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 21 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 salt marsh by the sea, A garden pond, Waves breaking on the shore, A clear mountain stream
Fresh waterSalt water
2.Sort each one: Fresh water or Salt water?
Sort: Sea spray on a windy beach, Raindrops falling on a window, A cloudy brown river after a storm, The open ocean
Fresh waterSalt water
3.Sort each one: Fresh water or Salt water?
Sort: A chunk of ice broken off a glacier, A lake in the hills, A very salty lake in a hot desert, The water in a seaside bay
Fresh waterSalt water
LessonPrint · 2-ESS2-3 · Set 21 · free to copy for classroom use
Answer key — Fresh or Salty?
Set 21. Prints on its own sheet.
1.1. A clear mountain stream — Fresh water 2. A garden pond — Fresh water 3. A salt marsh by the sea — Salt water 4. Waves breaking on the shore — Salt water
2.1. A cloudy brown river after a storm — Fresh water 2. Raindrops falling on a window — Fresh water 3. Sea spray on a windy beach — Salt water 4. The open ocean — Salt water
3.1. A chunk of ice broken off a glacier — Fresh water 2. A lake in the hills — Fresh water 3. A very salty lake in a hot desert — Salt water 4. The water in a seaside bay — Salt water
Last reviewed 2026-09-05. Aligned to 2-ESS2-3 of the Next Generation Science Standards.