Level 2: Near and far

Space and time · level 2 of 8 · rough age 7-8 (a guide for parents; anyone can start anywhere)

How big is the Earth, and how far away are the Moon, the Sun and Mars? This level measures them in a way you can picture: how long a car would take to get there, and how many Earths would fit in between. It ends by shrinking the whole solar system down to fit in a park.

Lesson	You will be able to
How big is the Earth?	Say how big the Earth is
How far is the Moon?	Say how far away the Moon is
How far is the Sun?	Say how far away and how big the Sun is
The planets in order	Name the planets in order from the Sun
How far is Mars?	Explain why the distance to Mars keeps changing
A model solar system	Build a solar system to scale

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