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.

• 1st Class
• Young Explorers: Investigating Our World
• 4 activities
• 20 min–45 min

Learning Objectives

1. Compare the sun's position in the sky at morning, noon, and afternoon through direct observation and recorded data.
2. Explain that the sun's apparent movement is caused by Earth's rotation.
3. Predict the general direction of shadows cast by the sun at different times of the day.
4. Identify the approximate east and west directions based on the sun's rising and setting positions.

Experiential Learning

⏱ 45 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.

Prepare & details

Explain why the sun appears to move across the sky.

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

Setup: Varies; may include outdoor space, lab, or community setting

Materials: Experience setup materials, Reflection journal with prompts, Observation worksheet, Connection-to-content framework

• Apply
• Analyze
• Evaluate
• Self-Awareness
• Self-Management
• Social Awareness

Experiential Learning

⏱ 30 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.

Prepare & details

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

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

Setup: Varies; may include outdoor space, lab, or community setting

Materials: Experience setup materials, Reflection journal with prompts, Observation worksheet, Connection-to-content framework

• Apply
• Analyze
• Evaluate
• Self-Awareness
• Self-Management
• Social Awareness

Experiential Learning

⏱ 35 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.

Prepare & details

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

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

Setup: Varies; may include outdoor space, lab, or community setting

Materials: Experience setup materials, Reflection journal with prompts, Observation worksheet, Connection-to-content framework

• Apply
• Analyze
• Evaluate
• Self-Awareness
• Self-Management
• Social Awareness

Experiential Learning

⏱ 20 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.

Prepare & details

Explain why the sun appears to move across the sky.

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

Setup: Varies; may include outdoor space, lab, or community setting

Materials: Experience setup materials, Reflection journal with prompts, Observation worksheet, Connection-to-content framework

• Apply
• Analyze
• Evaluate
• Self-Awareness
• Self-Management
• Social Awareness

Teaching This Topic

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.

What to Expect

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

Common Misconception

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.

What to Teach Instead

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.

Common Misconception

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.

What to Teach Instead

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.

Common Misconception

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.

What to Teach Instead

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.

Assessment Ideas

Quick Check

After Individual Journals: Daily Logs, collect sketches of the sun’s position and shadow at morning, noon, and afternoon. Look for consistent labeling of time, accurate shadow directions, and clear understanding that shadows shorten at midday.

Discussion Prompt

During Outdoor Tracking: Shadow Sticks, gather students outside and ask: ‘Where is the sun now? What does this tell us about the time?’ Then ask: ‘If we return in one hour, where will the sun be? What will happen to your shadow?’ Listen for explanations that connect the sun’s position to shadow changes.

Exit Ticket

After Classroom Demo: Desk Sundial, provide a worksheet with a simple Earth-Sun diagram. Ask students to draw an arrow for Earth’s rotation and place the sun in morning and afternoon positions. Then have them draw the shadow direction for each time and label it as short or long.

Extensions & Scaffolding

• Challenge students who finish early to predict how their shadow will look at the same time tomorrow and sketch both shadows on paper.
• For students who struggle, provide a template with labeled times (9am, 12pm, 3pm) and pre-drawn stick figures so they focus on shadow direction and length.
• Deeper exploration: Have students compare their shadow data with a partner’s from a different week to notice seasonal changes in noon height.

Key Vocabulary

apparent movement	How something looks like it is moving, even if it is not actually moving itself. The sun looks like it moves across the sky because Earth is turning.
rotation	The spinning of the Earth on its axis. This spinning causes day and night and makes the sun appear to move.
shadow	A dark area formed when an object blocks light. The length and direction of a shadow change as the sun's position changes.
horizon	The line where the sky appears to meet the land or sea. The sun rises above the horizon in the morning and sinks below it in the evening.