Science Vocabulary
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PRESENTATION OUTLINE
EQUINOX
THE DAY WHEN THE EARTHS ROTATION AXIS IS LEANING ALONG EARTHS ORBIT NEITHER TOWARD NOR AWAY FROM THE SUN. THERE ARE EQUAL AMOUNTS OF DAY AND NIGHT
Photo by NASA Goddard Photo and Video
SOLSTICE
THE DAY WHEN EARTH’S ROTATION AXIS IS THE MOST TOWARD OR AWAY FROM THE SUN
Photo by Anish Nair
Tidal range
The difference in height between high and low tide.
Photo by John Westrock
Neep tide
A tide that occurs twice a month and results in the smallest change in sea level.
Photo by Sasha • Stories
Spring tide
A tide that occurs twice a month and results in the greatest change in sea level.
Photo by Photos By Clark
CENTRIFUGAL FORCE
THE FORCE THAT TENDS TO PUSH AN OBJECT TOWARD WHEN IT ROTATES AROUND A CENTER.
Photo by Cédric Dhaenens
Planets
A planet must orbit the sun, have a nearly spherical shape and have a mass much larger than the total mass of all other objects.
Photo by woodleywonderworks
Dwarf planets
SphericAl-shaped object that orbits the sun but does not have more mass than the objects in nearby orbits.
Photo by NASA Goddard Photo and Video
Asteroid
Millions of small,rocky objects that orbit the sun in an asteroid belt,range in size from less than 1 meter to several 100 km.
Photo by State Farm
Comet
Made of gas,dust and ice and moves around the sun in an oval-shaped orbit.
Photo by NASA's Marshall Space Flight Center
Meteoroids
Debris left by colliding asteroids or dispersing comets.
Photo by NASA's Marshall Space Flight Center
