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Young Explorers: Investigating Our World · 1st Class

Active learning ideas

The Sun's Apparent Movement

Active learning works because first graders need to see, touch, and track the sun’s changing path over time to build accurate mental models. When students move outside and use their own shadows as tools, they connect abstract ideas to concrete evidence. Tracking the same shadow stick at different times makes Earth’s rotation visible in a way that charts or videos cannot.

NCCA Curriculum SpecificationsNCCA: Primary - Energy and ForcesNCCA: Primary - Earth and Sky
20–45 minPairs → Whole Class4 activities

Activity 01

Experiential Learning45 min · Small Groups

Outdoor Tracking: Shadow Sticks

Push sticks into the ground at nine points around the playground. Have groups measure and record shadow lengths and directions every hour from morning recess to afternoon. At day's end, draw the sun's path connecting shadow tips. Discuss patterns as a class.

Explain why the sun appears to move across the sky.

Facilitation TipDuring Outdoor Tracking: Shadow Sticks, ensure each student places their stick in the same spot each time to create reliable data for comparison.

What to look forAsk students to draw a picture of the sun in the sky at three different times: morning, noon, and afternoon. For each drawing, they should also draw a simple house and its shadow, labeling the time of day.

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Activity 02

Experiential Learning30 min · Whole Class

Classroom Demo: Desk Sundial

Place a stick upright on paper marked with clock times. Shine a lamp as the 'sun' and rotate student 'Earth' positions to cast shadows at morning, noon, and afternoon spots. Groups predict and mark paths, then verify with real observations.

Compare the sun's position at different times of the day.

Facilitation TipFor the Classroom Demo: Desk Sundial, use a flashlight to simulate the sun’s path and move it slowly to match students’ real-world observations.

What to look forGather students outside. Ask: 'Where is the sun now? (e.g., high in the sky, low in the east). What does this tell us about the time of day?' Then, ask: 'If we were to come back in two hours, where do you think the sun would be? What would happen to our shadows?'

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Activity 03

Experiential Learning35 min · Pairs

Prediction Pairs: Seasonal Paths

Provide arc templates for summer and winter. Pairs shade sun paths based on prior shadow data, then test predictions by observing over weeks. Share drawings and explain length differences.

Predict how the sun's path might change during different seasons.

Facilitation TipIn Prediction Pairs: Seasonal Paths, pair students with different prior knowledge so they can challenge and refine each other’s ideas.

What to look forProvide students with a worksheet showing a simple diagram of Earth and the Sun. Ask them to draw an arrow showing Earth's rotation and then draw the sun in the morning position and the afternoon position, indicating the direction of shadows at each time.

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Activity 04

Experiential Learning20 min · Individual

Individual Journals: Daily Logs

Students draw sky views from school windows at three set times daily for a week. Note sun position relative to landmarks. Compile into class timeline to spot daily consistency.

Explain why the sun appears to move across the sky.

Facilitation TipFor Individual Journals: Daily Logs, model how to record the sun’s position and shadow length with simple sketches before students try on their own.

What to look forAsk students to draw a picture of the sun in the sky at three different times: morning, noon, and afternoon. For each drawing, they should also draw a simple house and its shadow, labeling the time of day.

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Templates

Templates that pair with these Young Explorers: Investigating Our World activities

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A few notes on teaching this unit

Teach this topic through repeated, low-stakes observations rather than explanations first. Research shows that children construct accurate concepts when they gather data over time and discuss contradictions between their predictions and observations. Avoid starting with a lecture on rotation; instead, let the shadow stick activity reveal the pattern. Use consistent language like ‘Earth turns’ and ‘shadow points away’ to build clarity across lessons.

By the end of these activities, students should explain that Earth’s spin makes the sun appear to move across the sky. They should predict shadow changes and compare morning, noon, and afternoon positions with clear language. Their journals will show repeated patterns and reasonable guesses about seasonal shifts.


Watch Out for These Misconceptions

  • During Outdoor Tracking: Shadow Sticks, watch for students who say the sun moves around Earth. Redirect by asking: ‘If the sun moved, would your shadow move the same way every day at the same time?’ Use their own repeated measurements to show the pattern matches a spinning Earth.

    During Outdoor Tracking: Shadow Sticks, correct by having students trace their shadow’s tip each time. Ask them to imagine the sun’s position based on the shadow’s direction and length, reinforcing that the shadow points away from the sun because Earth is turning.

  • During Outdoor Tracking: Shadow Sticks, watch for students who insist shadows always point toward the sun. Redirect by asking: ‘Where is your shadow when the sun is in front of you?’ Use their own bodies and the shadow stick to show shadows form opposite the sun’s direction.

    During Outdoor Tracking: Shadow Sticks, correct by having students stand with the sun at their back and observe their shadow in front of them. Ask them to draw the sun’s position and the shadow’s direction on a simple diagram to reinforce the opposite relationship.

  • During Prediction Pairs: Seasonal Paths, watch for students who claim the sun follows the exact same path every day. Redirect by asking: ‘If you measured your shadow at noon in December and June, would it be the same length?’ Use their own data from previous weeks to show seasonal differences.

    During Prediction Pairs: Seasonal Paths, correct by having students compare their shadow lengths at noon across several weeks. Ask them to explain why the noon shadow changes and connect it to Earth’s tilt using simple drawings of the sun’s path in summer and winter.


Methods used in this brief