The Moon's Surface and Features

Active learning works for this topic because students need to SEE why the Moon’s lack of atmosphere and water shapes its surface so differently from Earth. Dropping marbles into flour, sketching maps, and role-playing colony life make abstract ideas concrete and memorable.

• 3rd Year
• Exploring Our World: Scientific Inquiry and Discovery
• 4 activities
• 25 min–45 min

Learning Objectives

1. Compare the visual characteristics of lunar craters and maria to terrestrial geological formations like impact craters and basaltic plains.
2. Explain the process of crater formation on the Moon's surface, detailing the role of impact velocity and material displacement.
3. Analyze the environmental conditions on the Moon, including temperature extremes, lack of atmosphere, and radiation, to predict challenges for human habitation.
4. Identify key surface features of the Moon, such as mountains, valleys, and rilles, and describe their likely origins.
5. Classify different types of lunar craters based on their size, rim structure, and ejecta patterns.

Gallery Walk

⏱ 35 min·Small Groups

Demonstration: Crater Formation Lab

Fill trays with flour topped by cocoa powder. Students drop small and large pebbles from varying heights, observe splash patterns, and measure crater sizes. Discuss how velocity and mass affect results, linking to meteor impacts.

Prepare & details

Compare the surface features of the Moon to those found on Earth.

Facilitation Tip: During the Crater Formation Lab, circulate with a tray of flour and marbles to help students adjust drop heights and observe how speed changes rim size.

Setup: Wall space or tables arranged around room perimeter

Materials: Large paper/poster boards, Markers, Sticky notes for feedback

• Understand
• Apply
• Analyze
• Create
• Relationship Skills
• Social Awareness

Concept Mapping

⏱ 30 min·Pairs

Concept Mapping: Lunar vs Earth Surfaces

Provide printed Moon photos and Earth images. Pairs label craters, maria, mountains on both, then compare erosion evidence. Share findings on class chart paper.

Prepare & details

Explain how craters are formed on the Moon's surface.

Facilitation Tip: When mapping lunar vs Earth surfaces, provide colored pencils and a legend key so students visually track highlands, maria, and craters.

Setup: Tables with large paper, or wall space

Materials: Concept cards or sticky notes, Large paper, Markers, Example concept map

• Understand
• Analyze
• Create
• Self-Awareness
• Self-Management

Gallery Walk

⏱ 45 min·Small Groups

Role-Play: Moon Colony Challenges

Groups draw Moon base blueprints, listing surface issues like dust and craters. Present solutions, such as domed habitats. Vote on best ideas class-wide.

Prepare & details

Predict the challenges of living on the Moon based on its environment.

Facilitation Tip: For the Role-Play activity, assign specific roles (engineer, geologist, doctor) so students must justify their solutions using surface feature knowledge.

Setup: Wall space or tables arranged around room perimeter

Materials: Large paper/poster boards, Markers, Sticky notes for feedback

• Understand
• Apply
• Analyze
• Create
• Relationship Skills
• Social Awareness

Gallery Walk

⏱ 25 min·Whole Class

Observation: Phase Viewer Models

Use globes and lamps to simulate Moon phases while noting surface views. Students rotate positions, sketch features visible at different angles.

Prepare & details

Compare the surface features of the Moon to those found on Earth.

Facilitation Tip: While students build Phase Viewer Models, ask guiding questions like 'Where would the Sun’s light hit first if the Moon were tilted this way?'

Setup: Wall space or tables arranged around room perimeter

Materials: Large paper/poster boards, Markers, Sticky notes for feedback

• Understand
• Apply
• Analyze
• Create
• Relationship Skills
• Social Awareness

Teaching This Topic

Teachers approach this topic by grounding every activity in a hands-on experience students can touch, see, and discuss immediately. Avoid lectures about erosion or tectonics until students have felt the difference between impact craters and volcanic formations themselves. Research shows that when students manipulate models, their misconceptions about static features shrink faster than with diagrams alone.

What to Expect

Successful learning looks like students using precise vocabulary to explain how craters and maria form, comparing lunar and Earth features with evidence from their own experiments, and applying this knowledge to solve real-world problems in their moon colony challenge.

Watch Out for These Misconceptions

Common Misconception

During the Crater Formation Lab, watch for students assuming all bowl-shaped pits come from volcanoes. Redirect by asking them to compare their marble-created craters to photos of lunar craters, noting the raised rims and lack of lava in both.

What to Teach Instead

During the Crater Formation Lab, have students photograph their craters and measure rim heights with rulers. Then, reveal Apollo mission images showing identical features without volcanic rock, forcing them to revise their explanations in lab groups.

Common Misconception

During the Mapping activity, watch for students calling maria 'seas' or 'oceans.' Redirect by passing around basalt samples and comparing their porous texture to smooth glassy volcanic rocks.

What to Teach Instead

During the Mapping activity, ask students to sort printed images into two piles: 'water-like' and 'rock-like.' Then, provide Apollo mission data showing maria are 3.5 billion-year-old lava flows, not liquid water.

Common Misconception

During the Role-Play activity, watch for students describing the Moon’s surface as flat except for craters. Redirect by handing out topographic maps of lunar highlands and asking them to plan routes between peaks.

What to Teach Instead

During the Role-Play activity, require each team to include at least two highland regions in their colony site plans and justify why those areas are safer or more resource-rich, using evidence from their maps.

Assessment Ideas

Discussion Prompt

After the Crater Formation Lab, ask students to write a paragraph from the perspective of a lunar geologist. Require them to name three features they would study first and explain why, using terms like regolith, ejecta, and impact melt.

Quick Check

During the Mapping activity, give students a mixed set of images labeled 1 through 4. Ask them to write the number of each image next to its correct formation process (e.g., 'meteor impact' or 'lava flow') and add one sentence comparing it to a similar Earth feature.

Exit Ticket

After the Phase Viewer Models activity, have students draw a simple crater diagram on half an index card and label its parts. On the other half, ask them to write one sentence explaining how the Moon’s lack of atmosphere changes how craters erode over time compared to Earth.

Extensions & Scaffolding

• Challenge: Ask fast finishers to design a new crater experiment that tests how angle of impact changes shape, using protractors and video analysis.
• Scaffolding: For students struggling with scale, provide pre-labeled images where features are color-coded and let them trace outlines before mapping.
• Deeper exploration: Invite students to research how future lunar bases might use maria as landing sites due to their smoother terrain, then debate trade-offs with peers.

Key Vocabulary

Crater	A bowl-shaped depression on the surface of a celestial body, typically caused by the impact of a meteorite or other object.
Maria	Large, dark, basaltic plains on the Moon's surface, formed by ancient volcanic eruptions that flooded impact basins.
Regolith	A layer of loose, heterogeneous superficial deposits covering solid rock, including dust, soil, and broken rock fragments, found on the Moon's surface.
Impact Breccia	Rock fragments that have been fused or cemented together as a result of the intense heat and pressure generated by a meteorite impact.