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 24 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 rock pool on the beach, A spring bubbling out of a hillside, A cloudy brown river after a storm, The open ocean
Fresh waterSalt water
2.Sort each one: Fresh water or Salt water?
Sort: Sea spray on a windy beach, A salt marsh by the sea, Raindrops falling on a window, A clear mountain stream
Fresh waterSalt water
3.Sort each one: Fresh water or Salt water?
Sort: Waves breaking on the shore, A lake in the hills, A garden pond, A very salty lake in a hot desert
Fresh waterSalt water
LessonPrint · 2-ESS2-3 · Set 24 · free to copy for classroom use
Answer key — Fresh or Salty?
Set 24. Prints on its own sheet.
1.1. A cloudy brown river after a storm — Fresh water 2. A rock pool on the beach — Salt water 3. A spring bubbling out of a hillside — Fresh water 4. The open ocean — Salt water
2.1. A clear mountain stream — Fresh water 2. A salt marsh by the sea — Salt water 3. Raindrops falling on a window — Fresh water 4. Sea spray on a windy beach — Salt water
3.1. A garden pond — Fresh water 2. A lake in the hills — Fresh water 3. A very salty lake in a hot desert — 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.