Landforms and Erosion

Grade Level

2nd Grade

Duration

45 minutes

Class Size

15 students

Common Core Standards Alignment

While science has its own standards (Next Generation Science Standards, NGSS), because the instruction is requested to align with Common Core, which primarily covers Math and English Language Arts (ELA), this lesson will integrate key Common Core standards focusing on literacy and math skills within the science content.

Science Focus: Exploring how landforms erode quickly (Erosion process)

Common Core State Standards (CCSS) Connections:

CCSS.ELA-LITERACY.RI.2.3: Describe the connection between a series of scientific ideas or concepts in a text.
CCSS.ELA-LITERACY.SL.2.1: Participate in collaborative conversations with diverse partners about grade 2 topics and texts with peers and adults in small and larger groups.
CCSS.MATH.CONTENT.2.MD.D.10: Draw a picture graph and a bar graph (with single-unit scale) to represent a data set with up to four categories.
NGSS 2-ESS2-1 (Next Generation Science): Compare multiple solutions designed to slow or prevent wind or water from changing the shape of the land.

Learning Objectives

By the end of this lesson, students will be able to:

Understand and describe how erosion can change the shape of landforms quickly.
Identify causes of erosion such as water and wind.
Observe a simple experiment demonstrating erosion in action.
Collaborate and communicate about observations and findings.
Collect simple data and represent it visually.

Materials Needed

Large clear plastic bin or tray
Dry soil or sand (about 5 lbs)
Small watering can or spray bottles with water
Fan or hair dryer (set on low for gentle wind simulation)
Small plastic rocks or pebbles to represent landforms
Whiteboard or chart paper with markers
Graph paper or printed simple bar graph template (for 15 students)
Crayons or colored pencils
Science observation journals or notebooks
Timer or stopwatch

Lesson Plan Details

1. Warm-Up Discussion (5 minutes)

Objective: Activate prior knowledge and engage student thinking about land and erosion.
Ask: “Have you ever seen hills, mountains, or places where the dirt moves or washes away?”
Show pictures of hills with plants and hills after rain or wind damage (images can be drawn or printed).
Briefly discuss what erosion means: "When water, wind, or ice moves soil and rocks from one place to another."

2. Introducing Erosion with Story and Vocabulary (7 minutes)

Read a short, engaging, grade-level appropriate passage or story about erosion (could be a teacher-created simple narrative about a rainstorm changing the land).
Highlight important vocabulary: erosion, landform, soil, water, wind, shape.
Use CCSS.ELA-LITERACY.RI.2.3 standard by asking: “What caused the land to change in the story?”
Write answers on chart paper.

3. Hands-On Erosion Experiment (15 minutes)

Setup bins with soil/sand and small plastic rocks to create miniature “landforms.”
Have students work in 3 groups with 5 students each.
Each group predicts what will happen when water is poured or wind blows on their “landforms” (guided prediction).
Step 1: Using watering cans, lightly pour water on the sand hill for 1 minute.
Step 2: Use the fan/hair dryer to blow wind on the other side for 1 minute.
Observe and describe changes.
Discuss which landform changed more quickly and why.

4. Data Collection and Graphing (10 minutes)

Each group counts “land moved” by approximating how many little sand bits or small piles moved or washed away (qualitative estimation).
Model how to create a simple bar graph on chart paper representing water vs. wind erosion intensity.
Students create their own small graphs on paper representing their group's observations using colored pencils/crayons.
Aligns with CCSS.MATH.CONTENT.2.MD.D.10: Using graphs to represent comparisons.

5. Group Discussion and Wrap-Up (8 minutes)

Groups share their observations and graphs.
Facilitate a discussion using CCSS.SL.2.1: each student contributes what surprised them or what they learned about erosion.
Ask: “How might people stop erosion or help land not change too quickly?”
Teacher summarizes key points and reinforces that erosion is a natural process but can be fast with lots of water or strong winds.

Assessment

Informal formative assessment during group discussions and experiment participation: check for comprehension of erosion concepts.
Review students' graphs to assess understanding of data collection and representation.
Oral responses during discussion to evaluate vocabulary and concept use.

Differentiation

For learners needing support: Pair with a peer during group work; provide simplified vocabulary cards.
For advanced learners: Challenge to brainstorm real-life examples of erosion prevention (like planting trees).
Use visuals and hands-on activities to support ELL learners.

Extension Ideas

Create a “Stop Erosion” poster campaign using pictures and slogans.
Field observation walk to identify signs of erosion near the school.
Integrate writing: Have students write a short story about a raindrop’s journey shaping the land.

Teacher Reflection Prompts

Did students engage and participate actively in the hands-on experiment?
Were students able to observe and explain the cause of erosion clearly?
How effectively did the graphing activity support math skill development?
What adjustments might be needed for future lessons?

This lesson plan offers active exploration, vocabulary development, collaboration, and data skills practice while illuminating the natural process of erosion—an excellent way to build curiosity in young scientists!

Teaching Instructions