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