Moon Origin of the Moon Objectives l TLW

Moon Origin of the Moon

Objectives l TLW describe the current theory of the origin of Earth’s moon. l TLW explain why objects fall to Earth. l TLW demonstrate inertia with coins.

Terms Satellite l Luna l

The origin of the Moon l If you could which moon would you visit? With volcanoes, craters, & possible underground oceans, the moons in our solar system would be interesting places to visit.

The origin of the Moon Except for Mercury & Venus all of the planets have natural satellites, called moons. l Satellite: A natural or artificial body that revolves around a planet. l

The origin of the Moon Where did the moon come from? l What evidence is there to support this theory? l l Pair up with a partner and use page 661 to answer these questions. You have 5 minutes.

Origin of the Moon l 3 Popular Explanations: 1. It was a separate body captured by Earth’s gravity.

Origin of the Moon l 3 Popular Explanations: 2. Formed at the same time & from the same materials as the Earth.

Origin of the Moon l 3 Popular Explanations: 3. Earth was spinning & a large, Marssized object collided with Earth while the Earth was still forming. Earth’s mantle blasted into orbit to form the moon.

Origin of the Moon l Current theory: The moon formed from a piece of Earth’s mantle, which broke off during a collision between Earth & a large object.

Activities l TLW explain why objects fall to Earth. l TLW demonstrate inertia with coins.