Solstice and Equinox Puzzle: Free Educational Game
The Solstice and Equinox Puzzle is a free online knowledge level game exploring the orbital position of the Earth and the Sun in relation to the changing seasons. Drag and drop the Earth diagrams into the correct seasonal slots! This interactive science and geography game is perfect for desktop computers, laptops, and tablets, making it a fantastic asset for online lessons, classroom activities, and exciting homework assignments.
High Search Questions Answered
- When is the longest day and longest night? The longest day in the Northern Hemisphere occurs during the Summer Solstice (around 21 June), which is simultaneously the longest night in the Southern Hemisphere.
- What is the position of the Earth in Equinox? During an Equinox, the Earth's axis does not tilt towards or away from the Sun, meaning the Sun shines directly on the Equator, resulting in roughly equal day and night worldwide.
- Is the longest day different in different hemispheres? Yes! Because the Earth is tilted on its axis by 23.5 degrees, when the Northern Hemisphere points towards the Sun (Summer), the Southern Hemisphere points away (Winter).
How to Play the Solstice and Equinox Puzzle
There are 4 pictures of the Earth situated at the top of the game screen, each representing a specific tilt and illumination. Drag and drop these Earth pictures into the correct empty sockets on the orbital diagram in the centre of the screen. The pictures will remain active until they are all arranged correctly.
Knowledge Achievements:
There is a small counter at the bottom right used for classroom evaluation. Try to complete it with four tries for an "A" grade!
Winning the game rewards you with +1 Knowledge Level on Planeta 42.
Did you know? Top Astronomical Facts
• Solstice Meaning: The word solstice comes from the Latin solstitium, meaning "sun stands still," because the Sun's apparent movement north or south in the sky stops before reversing direction.
• Equinox Meaning: The word equinox comes from Latin meaning "equal night," as day and night are of approximately equal duration all over the planet on these dates.
• The Axial Tilt: If the Earth was not tilted on its axis, we would not have seasons! The equator would always be hot, the poles would always be cold, and the day-night cycle would remain exactly the same all year round.
Class Subject: The Seasons Across Hemispheres
In simple terms, a Solstice marks the longest or shortest day of the year, while an Equinox marks the two dates when day and night are roughly equal. Because the Earth is tilted, the seasons are flipped between the North and South!
Northern Hemisphere
- Vernal (Spring) Equinox: ~20-21 March. Day and night are of approximately equal duration all over the planet.
- Summer Solstice: ~20-21 June. The longest day and the shortest night of the year.
- Autumnal Equinox: ~22-23 September. Day and night are of approximately equal duration again.
- Winter Solstice: ~21-22 December. The longest night and the shortest day.
Southern Hemisphere
- Autumnal Equinox: ~20-21 March. Day and night are equal, marking the start of autumn.
- Winter Solstice: ~20-21 June. The longest night and the shortest day.
- Vernal (Spring) Equinox: ~22-23 September. Day and night are equal, marking the start of spring.
- Summer Solstice: ~21-22 December. The longest day and the shortest night of the year.
