Crustal Features

Overview

Lesson Title: Crustal Features and Their Formation
Unit: Exploring Earth's Systems (Lesson 4 of 5)
Year Group: Year 5
Subject: Science
Duration: 60 minutes
Class Size: 20 students
UK National Curriculum Area: Upper Key Stage 2 Science – "Changes in the Earth's surface over time" and "Recognising physical geographical features such as mountains, volcanoes, and valleys."

The focus of this lesson is to link plate movements to the formation of crustal features, fostering hands-on, interactive learning through model-building and observation of geological processes. Students will be encouraged to collaborate, utilise critical thinking, and reflect on how the Earth's dynamic systems create changes over millions of years.

Learning Objectives

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

• Recall plate boundaries and their features (divergent, convergent, and transform).
• Explain how plate movements cause the formation of mountains, valleys, volcanoes, and ocean trenches.
• Build and describe small models of crustal features using simple materials.
• Apply their learning to describe a crustal feature and its formation in clear steps.

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Lesson Plan

Lesson Warm-Up (10 minutes)

1. Recap of Previous Lessons (5 minutes)

• Teacher Questioning: Ask the class:
  • "What are tectonic plates?"
  • "Can you name one type of plate boundary we’ve discussed before?"
• Peer Collaboration: Turn and talk in pairs to discuss one thing you remember about tectonic plate movement.
• Visual Aid: Use a large map of the Earth's tectonic plates on the whiteboard. Recap divergent, convergent, and transform boundaries using visuals of plate interactions (diagrams of how plates move towards, away, or past each other).

2. Curiosity Hook (5 minutes)

• Demonstration: Use a stack of damp sponges on a flat surface to demonstrate plate collision. Slowly push the sponges together to mimic mountain formation and the rising crust.
• Ask the class:
  • "What do you notice about what happens to the sponges when they push together?"
  • "What might this tell us about how mountains form?"

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Main Activity (40 minutes)

3. Hands-On Model Building: Crustal Features (30 minutes)

Split the class into 4 groups of 5 students. Assign each group one crustal feature to create using simple materials such as:

• Plasticine/playdough: Differently coloured to represent Earth's layers.
• Cardboard pieces: Represent tectonic plates.
• Sand/soil: For surface materials.

Features to Create:

1. Group 1: A mountain range (convergent boundary).
2. Group 2: A volcano (subduction zone).
3. Group 3: A valley or rift (divergent boundary).
4. Group 4: A transform fault (transform boundary).

Instructions for all groups:

1. Step 1: Begin with brainstorming – review what type of plate movement relates to your feature (teacher circulates the class with prompt cards for support).
2. Step 2: Build your feature collaboratively, shaping plasticine to represent processes such as pushing crust upwards or pulling apart the plates.
3. Step 3: Add the sand/soil on top of the models to make them more realistic.
4. Step 4: Each group will write two simple sentences on an index card to explain how their feature formed based on plate movement.

Differentiation:

• High support learners: Provide pre-labelled diagrams of their feature to support thinking.
• Higher achieving learners: Challenge them to add labels to their model (e.g. "subduction zone," "magma chamber").

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4. Gallery Walk (10 minutes)

• Groups leave their models on their tables and circulate around the room to look at the crustal features created by their peers. At each station, students read the two explanatory sentences and discuss together:
  • “Does this model make sense compared to what we've learned?”
  • “How is this feature different from the last one we visited?”

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Plenary and Exit Ticket (10 minutes)

5. Whole-Class Reflection (5 minutes)

• Use guiding questions to review key points, e.g.:
  • "What happens when tectonic plates push against each other?"
  • "Which crustal features are most likely to form at divergent boundaries?”

6. Exit Ticket (5 minutes)

• Each student writes or draws a crustal feature they learned about, and completes the following sentence stem:
  • “The feature I’ve drawn is a ______. It forms because ______.”
• Collect exit tickets for assessment to check understanding.

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Materials Needed

• Large tectonic plate map for whiteboard.
• Sponges for demonstration.
• Plasticine/playdough (assorted colours).
• Cardboard pieces (small rectangles).
• Sand/soil.
• Index cards for explanatory sentences.
• Exit ticket templates (simple A5 sheets).

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Assessment Opportunities

• Formative: Participation in group discussions, contribution to model-making, and responses during the gallery walk.
• Summative: Analysis of the Exit Ticket to evaluate individual understanding of crustal features and their formation.

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Extension Activity (Optional)

For early finishers or advanced learners:
Ask them to research and create a mini poster on a real-life example of their crustal feature, such as the Andes Mountains or the Mid-Atlantic Ridge.

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Notes for Teachers

• Encourage collaboration and creativity in model-building – it’s okay if models aren’t perfect!
• Use probing questions during the activity to deepen understanding.
• Provide consistent praise to foster student confidence in learning challenging concepts.