Earth's Oceans
This ocean zone receives only some sunlight.
What is the twilight zone?
This is the layer of the atmosphere where all weather occurs.
This type of pressure system is associated with clear skies and good weather conditions.
What is a high pressure system?
This space equipment is sent into space to collect data; some have even gone outside our solar system!
What is a probe?
This describes the seasonal relationship between the Southern and Northern hemispheres.
What is opposite?
This type of current is driven by cold water sinking.
What are density currents?
This is a layer in the stratosphere that protects Earth from the sun's harmful UV rays.
What is the Ozone Layer?
This instrument is used to measure wind speed.
What is an anemometer?
This was the shuttle disaster that exploded after 73 seconds, killing everyone on board, including teacher Christa McAuliffe.
What is the Challenger?
This is the name of the darkest part of the shadow during an eclipse.
What is the umbra?
The moon causes this effect on the ocean.
What are the tides?
Despite needing it for life, this gas only makes up 21% of the atmosphere.
What is oxygen?
This type of storm occurs when a low pressure system forms over warm water once winds exceed 74 mph.
What is a hurricane?
This type of space rock is burning up in Earth's atmosphere.
What is a meteor?
This moon phase occurs during this alignment:
moon-Earth-sun.
What is the full moon?
Most of the ocean floor is covered by this topographical feature.
What is the abyssal plain?
This is the middle layer of the atmosphere.
What is the mesosphere?
This is the boundary between two air masses.
What is a weather front?
This was the first artificial satellite to ever launch, sent by the USSR.
What is Sputnik?
This is the reason for the seasons.
What is Earth's tilt?
What is the Coriolis Effect?
These winds occur around 30o-60o latitude and blow west to east.
What are the prevailing westerlies?
This type of storm forms when unstable air of different pressures begin to rotate.
What is a tornado?
This is an object's resistance to changing its state of motion or state of rest.
What is inertia?
What is in the path of totality?