Earth
What is the theory of the start of the universe?
The Big Bang Theory
Meteoroids that create a streak of light as they enter Earth's atmosphere are called-
Meteors
Moon phases, tides and eclipses are caused by-
The position of the Sun, Earth, and Moon relative to each other
The ratio of air's actual water vapor content to the amount of water needed for saturation(the amount it can hold) is-
Relative humidity
Continental slope
Redshift is evidence that the universe is doing what?
Expanding-galaxies are moving away from Earth
Stars begin their life cycle as-
Nebula
Our Sun is classified (along with most other stars) as a-
Main sequence star
The temperature at which water vapor (gas) condenses to liquid is called-
The Dew point
Deep ocean currents are caused by-
Density differences in the water- due to 1) salinity levels and 2) temperature
What type of eclipse occurs during a new moon phase?
Solar Eclipse
The trapping of the sun's radiation in a planet's atmosphere, warming the planet's surface is know as the-
Greenhouse effect
Object made of ice and dust that travels from deep in outer space
Comet
It is absorbed or reflected by the atmosphere
The vertical movement of water that occurs when surface water is blown offshore and replaced by cold, deeper, nutrient-rich water
upwelling
What month is the Earth closest to the Sun? (Also called perihelion)
January
Planets travel in an _____ (oval) orbit
Elliptical
Which gas is the most abundant in Earth's atmosphere?
Nitrogen-78%
An air mass classified as mP would usually form over what type of Earth's surface?
cold ocean
The amount of of dissolved salts in seawater is called -
Salinity
Who was the two scientists theorized that the earth was the center of the universe?
Aristotle and Ptolemy
A rare event when the EARTH is perfectly in-between the Sun and the Moon casting a shadow on the moon's surface by earth during the daytime. EARTH IS BLOCKING THE MOON.
Lunar Eclipse
When the moon is going from new to full moon phase-it is said to be-
waxing
Most surface ocean currents are caused by what two factors?
Prevailing winds and the Coriolis effect
One possible reason the sea levels are rising?
Melting glaciers