Reference no: EM133340517

Questions: Below are the questions i have answered. Please help with a very brief few sent overview summary for a scientific notebook. I don't need a summary of each one just one brief summary involving all questions.

.Describe Earth Science.

.Earth Science is the name for all the sciences that seek to understand Earth: geology, oceanography, meteorology, and astronomy.

List 3 questions that an Earth Scientist might ask.

Earth scientists may ask the following questions:

What does the past tell us about the dynamics of the climate system?

How hot is the inside of the earth, and how did this temperature evolve?

Astronomers ask questions like how the universe was created, whether we can live on other planets and whether there is life on other planets?

. Why is Earth unique in our solar system?

arth has unique features that have led to life thriving on the planet. Features like its distance from the Sun, its 24-hour rotation period, its radius, and water availability on the surface make it unique. Earth's atmosphere is unique in the solar system because it contains just the right amount of oxygen to support animal life. Earth is the only planet in the solar system in which life is found.

. What was the young Earth like?

half billion years ago, a supernova blew up and created vast amounts of radiation. It was very hot. We probably could not breathe. We would probably throw up with the high radiation levels, and our hair would fall out.

Accretion, the process of growth or increase, typically by the gradual accumulation of additional layers or matter, was violent. It caused space debris to crash into other space debris and created vast amounts of heat. We would be dodging asteroids and meteorites and walking on molten lava.

.What is the theory of plate tectonics and why is it important?

Plate Techtonics is now the most fundamental idea in modern Earth Science and geology. The theory of plate tectonics revolutionized the earth sciences by explaining how the movement of geologic plates causes mountain building, volcanoes, and earthquakes. This is important because, without plate tectonics, we would not have any volcanos or mountains, and all the lands would be flat.

.How do we know what we know about Earth's history?

The earth has been around for billions of years, and the same chemical process today will continue to be at work in the future. The evidence from the earth's past comes from fossils, relative dating, and absolute dating.

Fossils are remnants of living creatures. Fossils give clues about what conditions were like when the organism lived. Fossils help geologists understand the geological history of an area. Clues from rocks can help scientists decipher the history of a region, and Relative dating allows geologists to figure out the order of events. Absolute age dating gives accurate dates for geological events.