Contents
Year 413 · Watching the Night Sky
KO

Year 4 · fifth unit

Watching the Night Sky

The Moon changes shape every day and moves its place every night. But there is just one star that does not move.

A child looking up at the Moon in the night sky

What shape is the Moon tonight?

A board to run

Run thirty days. See which side it fills from.

Moons set out from crescent to full

Where is the evening's Moon before dawn?

A board to run

You are standing facing south. Run from 6 in the evening to 6 in the morning.

Where the Moon is, seen from the same window in the evening and before dawn

How do you find the Pole Star?

A board to adjust

Tap the two stars at the end of the Plough's bowl, one after the other.

A night sky with the Plough and the Pole Star

From here we look down from above the sky

What comes next in middle school · stars and the universe

Why does the Moon change shape?

It is the Moon you saw above. This time we go out beyond the Earth and look down on the Sun, Earth and Moon. Half the Moon is always lit. Only the angle from which we see it changes.

The positions of the Sun, Earth and Moon drawn on dark paper

The Moon from above

A board to run

It is the same thirty days. Watch the Moon's position together with its shape as seen from Earth.

day 0days since new Moon
0°Sun–Earth–Moon angle

Back up to the basics