New York Grade 2 Science

Use a model to distinguish land from bodies of water

Build and explain a land-and-water model in New York Grade 2 science, use a clear legend, and find selected state references, lessons, and independent quizzes.

The current NYSED science page links the New York State P-12 Science Learning Standards. These state standards include expectations and supporting information that differ from the original NGSS. This page’s selected reference was checked in the actual New York document, including its clarifications, boundaries, practices, core ideas, and crosscutting concepts. This activity selects a Grade 2 expectation. It is one part of a science course, not a complete curriculum.

The official introduction (PDF) explains that the state defines performance expectations while districts and teachers make instructional and sequencing decisions. Middle-school expectations are organized by topic for a Grades 6–8 band, rather than assigned to each of those grades separately. Read the complete state document alongside the school’s science course. This original activity is a focused starting point, not a complete curriculum crosswalk.

Use a model to distinguish land from bodies of water

Study the invented area model. It shows a hill west of a winding river and a lake east of the river. Use the north arrow and labels to describe the features. Then make your own drawing or classroom model of an imagined area with at least two kinds of land or water features. Choose symbols or materials and add a legend. Explain what your model represents and what it leaves out.

Explain the evidence or model

The blue winding line represents a river, while the blue enclosed oval represents a lake. The raised brown form represents a hill. The north arrow lets a reader interpret the relative positions: the hill is west of the river and the lake is east. A model communicates kinds, shapes, and locations using simplified symbols; it need not reproduce every plant, building, or measurement. The river line does not tell us its depth or speed, and the lake’s drawn size does not establish an actual area. When making a new model, explain why each symbol fits its feature and check that the legend matches the drawing. Different materials can represent the same feature if their meaning is clear.

What to check in the explanation

Blue is a chosen symbol for water, not a claim that every body of water looks blue. A hill is not a lake merely because both occupy a similar-sized part of the drawing. This example is invented, not a geographic record of New York. The selected Grade 2 expectation does not require a quantitative distance scale.

Plan the next activity

1. Identify each represented feature and its symbol.
2. Describe relative positions using the orientation arrow.
3. Build a new model, add a legend, and explain one limitation.

Compare your model with a teacher-selected photograph or map of a familiar local area. Identify a feature missing from the model and decide whether adding it would help answer the question being studied. Keep observations of the real area separate from invented details.