Ocean Floor
What invention in the 1940s allowed divers to more freely explore the ocean?
Aqua Lung
What is the study of planets, moons, stars, and other things found outside of the earth?
Astronomy
The path the earth takes in its revolution around the sun is called its _____________.
What is a vehicle that allows a person to dive deep to the ocean's floor?
Submersible
What are the three areas of the ocean floor?
Continental shelf
Continental slope
Abyssal Plain
This model explains that the sun is the center of the solar system, in which all planets orbit around:
Heliocentric Model
The path the earth takes in its revolution around the sun is called its _____________.
Rotation
What is the deepest part of the earth?
Marianna Trench
What is a deep sea vent?
A black smoker or deep-sea vent is a type of hydrothermal vent found on the seabed.
The earth is not completely vertical with respect to the sun. How much is the earth tilted from vertical?
23.5 degrees
What are the two ways the earth moves in space?
It revolves (orbits) and it rotates (spins)
What is mass? What does mass tell you?
How much stuff makes up an object? How much an object resists having its motion change.
4 ocean zones, starting with the closest to the surface then the last one is the deepest zone:
Sunlight Zone
Twilight Zone
Midnight Zone
Abyss
Newton’s _____________________states that everything exerts a pull on everything else.
Law of Gravity (1st law)
What is an equinox?
An equinox is a time of year when the Earth's axis is tilted neither toward nor away from the sun, resulting in nearly equal amounts of daylight and darkness at all latitudes.
What dominates in determining how much gravitational force is felt?
Distance
________________ telescope uses a combination of mirrors and lenses.
Reflection
Why does the earth experience seasons?
The earth rotates on its axis of 23.5 degrees, as it orbits and rotates it slowly tilts towards or away from the sun. As the northern hemisphere tilts away from the sun it experiences winter.
If you were to throw something hard enough to escape the gravitational orbit?
Escape Velocity