Earth & Space
One 24-hour spin, one day and one night — the lit side faces the Sun, and the Sun never moves.
⏱ Whole lesson ≈ 44 min · pick a tier in the bar, or leave on "All"
Whiteboard recap of last lesson: planet Earth.
Fill the gaps:
Why does it look like the Sun crosses the sky each day?
Ask: it's daytime here — what is it on the other side of the world?
When it is lunchtime in England, children in Australia are asleep. How can that be?
True or false: the whole Earth has daytime at once.
Explain why one side of Earth is in daylight while the other is dark.
Why don't people in different countries have day at the same time?
Teacher models. Watch how rotation makes night and day.
Swap the clip: change the ID after /embed/ (now zgzC69-bzYc).
Use a globe and a lamp to show day and night.
Play the animation. Bust the "Sun disappears" myth.
As your spot on Earth turns away from the Sun, day becomes night. The Sun never moves.
Watch for: "the Sun goes to sleep / moves away at night." It is Earth turning.
Explain time differences together.
On your own. Sort each statement, then write.
Tap a statement to sort it…
Sort the statements. Then finish: It is day on the side of Earth facing the ____.
Sort them, then explain in a sentence what causes night and day.
Sort them, then explain why two countries can have different times of day at once.
Answer at your tier, then hand it in.
What would happen to night and day if the Earth stopped rotating? Explain.