Science · Grade 1

Active learning ideas

The Sun's Apparent Path

Young students learn best by direct observation and movement, making the sun’s apparent path ideal for hands-on activities. Tracking shadows helps them connect abstract Earth rotation to everyday experiences like playtime or snack breaks, building lasting understanding through concrete evidence.

• Ontario Curriculum Expectations
• K-ESS2-1

• 25–45 min
• Pairs → Whole Class
• 4 activities

Activity 01

• Experiential Learning
• 45 min · Small Groups

Outdoor Shadow Tracking: Stick Method

Place identical sticks in the ground at schoolyard spots. Have students mark shadow lengths and directions every hour from 9 AM to 3 PM using chalk or paper. Groups discuss changes and sketch a class timeline of the sun's path.

Explain why the sun appears to move across the sky.

Facilitation Tip

During the Stick Method, mark the stick’s shadow with chalk at regular intervals to emphasize consistent data collection rather than random observations.

What to look for

During outdoor observation, ask students: 'Point to where the sun is now.' Then ask: 'Where do you think the sun will be during recess?' and 'What will happen to your shadow then?'

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

Activity 02

• Experiential Learning
• 30 min · Whole Class

Human Sundial: Body Shadows

Students stand in a circle facing north and trace each other's shadows at three times during the day. Compare tracings to see direction shifts. End with predictions for the next time's shadow position.

Predict where the sun will be at different times of the day.

Facilitation Tip

For the Human Sundial, have students stand in the same spot each time to ensure shadows are compared from one fixed position.

What to look for

Provide students with a drawing of a stick figure. Ask them to draw the shadow of the stick figure at morning, noon, and afternoon, labeling the direction of each shadow and noting if it is long or short.

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

Activity 03

• Experiential Learning
• 25 min · Pairs

Classroom Model: Lamp and Globe

Use a lamp as the sun and a globe or ball as Earth. Rotate the globe slowly while students observe a marked spot's shadow changes. Record observations on worksheets and predict shadow positions for different rotation points.

Analyze how the sun's position affects the length and direction of shadows.

Facilitation Tip

When using the Lamp and Globe, dim classroom lights to make the lamp’s light the dominant source for accurate shadow modeling.

What to look for

Gather students and ask: 'Why does your shadow change during the day?' Guide the discussion towards the sun's apparent movement and Earth's rotation. Ask: 'How does knowing where the sun will be help us plan our day?'

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

Activity 04

• Experiential Learning
• 35 min · Small Groups

Prediction Relay: Shadow Directions

Divide class into teams. Show photos of shadows at different times; teams race to predict sun position and direction using string models. Debrief with whole-class chart of correct paths.

Explain why the sun appears to move across the sky.

What to look for

During outdoor observation, ask students: 'Point to where the sun is now.' Then ask: 'Where do you think the sun will be during recess?' and 'What will happen to your shadow then?'

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

A few notes on teaching this unit

Teach this topic through repeated observation cycles: students predict, measure, record, and discuss shadow changes. Avoid abstract explanations early on; instead, let evidence from activities reshape misconceptions. Research shows concrete models and peer discussion build stronger spatial reasoning than verbal descriptions alone.

Students will describe the sun’s motion across the sky, explain changes in shadow length and direction, and relate these observations to daily routines. Success looks like clear predictions about shadow changes and confident sharing of observations with peers.

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Watch Out for These Misconceptions

• During the Outdoor Shadow Tracking activity, watch for students who describe the sun as 'moving around the Earth.' Redirect them by asking: 'What stays the same in your shadow drawings each time?' and 'Why do we stand in the same spot?'

  Use the Stick Method’s repeated markings to show shadows form the same way daily, reinforcing Earth’s rotation over the sun’s movement.

• During the Human Sundial activity, watch for students who insist shadows always point north. Redirect them by having peers compare their body shadows’ directions at the same time, noting eastward shifts.

  Ask students to draw their shadows’ directions on the ground with chalk, then compare all drawings to reveal the common eastward pattern.

• During the Classroom Model activity, watch for students who attribute shorter shadows to the sun ‘getting closer’ at noon. Redirect them by adjusting the lamp’s angle to show how shadow length changes without moving the light source.

  Have students tilt the globe or move the lamp’s height to demonstrate how angle, not distance, alters shadow length, using the model’s adjustable parts to test ideas.

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Methods used in this brief

• Experiential Learning