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Gr.9 Science Applied

Space - Alisha

Sun, moon and the planets were called what? Celestial Objects
What is it called when the moon is in the umbra of the Earth? Lunar Eclipse
Which galaxy has a bulge of light in the center core with spiral arms? Spiral galaxy
What is used to organize days into month in order to help predict the seasons to make the agriculture more efficient? Calendar
What is another word for North Star? Polaris
What were the three observation that early astronomers made to prove that the Earth is round? 1.Sailing ships started to disappear beyond the horizon. 2. Travelers saw different stars depending on their locations on the Earth. 3.Shape of the Earth's shadow on the moon is curved.
The distance measurement from the Sun to the Earth which is used in when measuring distances within our solar system is called a what? Astronomical Unit
What is made up of ice & rock which has a tail of ionized gas when approaching the Sun? Comet
The part of the shadow directly above the Earth's axis is called what? Umbra
What collection of gas & dust eventually forms planets? Planetismals
Created by: alisha3260