Astronomy Review By Beverley Sutton Pueblo Gardens PreK-8
Astronomical Unit• The distance from Earth to the Sun is one Astronomical Unit.• The A.U. helps make the vast distances in our Solar System more manageable• Anything closer than Earth is a fraction of an A.U.• Anything further away is a multiple of an A.U.
Light Year• the distance that light travels in one year• One light year is about 10 trillion kilometers!• Light from the sun takes only 8 minutes to reach Earth … i.e. light travels 150 million km in 8 minutes)
Scale• the ratio of a displayed drawing, model, or map to the actual physical size or distance• A good example would be a scale on a map or the Play-Doh™ planets we made
Compass• a device used to determine geographical direction, usually consisting of a magnetic needle mounted on a pivot, aligning itself naturally with the Earths magnetic field so that it points to the Earths geomagnetic north or south pole
Rotate [on]• the spinning motion of a planet about its axis
Moon Phase• any of the forms, recurring in cycles, in which the Moon appears in the sky; the percentage of illumination on the visible face of the moon.
Eclipse• the partial or total blocking of the light of one object by another, casting a shadow on the other object Solar Eclipse
Tides• the rise and fall of the level of water in the ocean