GPT Image Prompt
How to useCopy this prompt and paste it into ChatGPT, Gemini, Nano Banana, or your favorite AI image tool. Adjust details if needed.
Create a highly realistic vertical educational outdoor science poster for primary school students explaining why shadows change during the day, using one continuous school-garden courtyard viewed from a wide, slightly elevated perspective. Do not use a header or banner. Place three-dimensional freestanding letters near the lower edge spelling “WHY SHADOWS CHANGE,” but make the title read most clearly through the long shadow those letters cast across the pavement. Add the smaller phrase “DURING THE DAY” on a simple brass sundial marker nearby.
Build the poster around one fixed reference setup: a tall young tree beside a simple vertical measuring pole. Show the passing day within one unified environment rather than separate panels, blending morning, around-midday, and afternoon light naturally across the same courtyard. Use a broad left-to-right progression across the sky and ground. On the left, show morning with the Sun low in the eastern sky and long shadows from the tree and pole stretching westward. Place a small stone marker reading “MORNING” with “When the Sun appears low, shadows are long.” In the center, show the Sun highest in the sky and the shortest shadows beneath the tree and pole. Engrave into the pavement “AROUND MIDDAY” with “When the Sun is higher, shadows are shorter.” On the right, show afternoon with the Sun lower in the western sky and long shadows pointing in the opposite direction. Attach to a garden sign “AFTERNOON” with “As the Sun appears lower, shadows grow longer again.”
Add one subtle dotted arc across the sky to show the Sun’s apparent movement from east to west, labeled “Earth’s rotation makes the Sun appear to move across the sky.” Beside the measuring pole, place three realistic shadow-tip measurement flags marked “9:00,” “12:00,” and “3:00,” using approximate demonstration positions rather than claiming they are the same everywhere on Earth. Include a small outdoor science clipboard with the prompt “Observe the same object at different times. How do the shadow’s length and direction change?” Carve into the sundial base the fact “A shadow always points away from the light source.”
Use highly realistic environmental photography with accurate sunlight direction, believable shadow softness, detailed leaves, stone pavement texture, natural atmospheric perspective, and smooth time-of-day transitions from warm peach and pale gold in the morning, to bright neutral daylight at midday, to deeper amber in the afternoon. Keep the tree and measuring pole identical in position, shape, and height throughout. Make the science clear and age-appropriate: a shadow forms when an opaque object blocks light, Earth’s rotation makes the Sun appear to move, and the length and direction of shadows change with the Sun’s apparent position. Do not imply that the Sun physically travels around Earth, do not show the shortest shadow at sunrise or sunset, do not claim the shadow points in the same compass direction everywhere, and do not place the Sun directly overhead. Integrate all text into physical courtyard elements such as stone markers, brass plates, pavement engraving, signs, and the clipboard, avoiding floating rounded text boxes, footers, dark museum interiors, lab-table styling, outer-space backgrounds, white information cards, or overly saturated colors.