Science Learning Guides Crossword Puzzle

QUESTIONS LIST:

• earth : the only planet in our solar system that bears life
• revolution : movement of one mass around another
• mesosphere : located above the stratosphere
• thermosphere : 1000 km above the mesosphere
• equinox : one of two days in the year when day and night are the same length of time.
• plateau : any flat, high landform with at least one side that rises high above the surroundings
• ionosphere : the region of the atmosphere that is sufficiently ionized by solar ultraviolet radiation
• prime meridian : separates the eastern and western hemispheres
• volcano : a fracture in a planet's crust, such as the one on earth, that permits hot lava, volcanic ash, and gases to escape from a magma chamber below the surface
• ozonosphere : the bottom 70 km of the atmosphere where ozone is found
• heterosphere : the outer portion of the atmosphere where mixing of gases takes place
• valley : a long, low terrain that usually stretches between hills or mountains
• troposphere : the lowest 16-18 km layer of the atmosphere, containing winds, clouds, and water vapor
• plain : a flat expanse of land that does not vary much in elevation and is mostly treeless
• longitude : run in a north-south direction
• stratosphere : located above the troposphere
• solstice : one of two days in the year when the sun is at its highest or lowest point in the sky at noon
• philippines : a southeast asian country on the eastern rim of the asiatic mediterranean
• homosphere : the bottom 90 km of the atmosphere where there is a continuous movement of air masses
• latitude : run in an east-west direction across earth