Search: Earth Science(Please check)

Number of results: 143,169

Earth Science
What are two forces that cause the Earth's surface to constantly change and what are their effects on the planet? Please help I do homeschooling and I'm super behind in science please answer before 12:00 p.m. on 11-17-09
Tuesday, November 17, 2009 at 12:18pm by A.J.

Earth Science(Please check)
Yes, you're right.
Sunday, February 28, 2010 at 11:52am by Ms. Sue

earth science
See the other post. Also you can search at www.google.com with varying search terms. Try these: current study earth science studying earth science now modern study earth science You can probably think of others.
Thursday, November 29, 2007 at 11:31pm by Writeacher

Earth Science
Earth is always changing. What are two forces that cause the earth's surface to constantly change and what are their effects on the planet? Please answer within a few minutes.
Wednesday, November 4, 2009 at 1:08pm by Elizabeth

PLEASE HELP EARTH SCIENCE EMERGENCY!!!!
These are indeed earth science emergencies.
Saturday, December 15, 2012 at 11:53am by Damon

Earth Science
i need help on a question "Describe how Earth would be different today if it contained no radio active material. What would the consequences be for the Earth's interior layers?" please help and thanky you
Wednesday, September 16, 2009 at 10:29pm by Anomynous

science
The earth's differentiation and size were significant factors for life on Earth because Earth's composition and gravitational attraction _____. A-keep the moon and sun in orbit B-keep people grounded C-helped to create and retain Earth's atmosphere D-create and ...
Sunday, June 6, 2010 at 4:33pm by Taylor PLEASE URGENT!!!

phy.
check my understanding please. Larry weighs 300 N at the surface of the earth. what is the weight of the earth in the gravitational field of Larry? -would it still be 300 N an astronaugt lands on a planet that has twice the mass as earth and twice the diameter. how does the ...
Tuesday, October 16, 2007 at 8:34pm by Julie

Earth Science
i need help on a question "Describe how Earth would be different today if it contained no radio active material. What would the consequences be for the Earth's interior layers?" please help and thanky you
Thursday, September 17, 2009 at 10:57pm by Need Help

Earth Science
Which of the following processes helps to shape the landforms of Earth? - Mass movement - Glaciers - Wind - All of the above
Tuesday, June 12, 2012 at 6:53pm by PLEASE HELP

Earth Science(Please check)
Around what tectonic plate are most of the worlds volcanoes located. The Pacific plate. Is this correct?
Sunday, February 28, 2010 at 11:52am by Janet

Science
The cause of the seasons on Earth is often mistakenly attributed to the elliptical orbit of Earth around the sun. What is the actual cause of the seasons? Tha actual cause of the seasons is because of the tilt of Earth's axis. please correct me if i'm wrong, thanks :-)
Monday, February 8, 2010 at 8:27pm by Sara

Earth Science
My child is doing a project on the earth. He is trying to do a power point presentation on the earth. He ran across information that stated, "The earth is divided into several layers which have distinct chemicals and seismic properties". He would like to know ...
Tuesday, September 23, 2008 at 7:37pm by Roderick

PLEASE HELP EARTH SCIENCE EMERGENCY!!!!
Describe two complexities about Earth's climate system that results in changes happening faster than expected.
Saturday, December 15, 2012 at 11:53am by Kayce

Science 8R - HELP!
http://science.nationalgeographic.com/science/earth/the-dynamic-earth/weathering-erosion-article/
Tuesday, February 26, 2013 at 7:44pm by Ms. Sue

science
other than jupiter having a solid core like earth what else does jupiter have in common with earth?{please help}
Tuesday, December 16, 2008 at 6:00pm by shayla

science science science science science science
The moon orbits around the earth.Which of the following keeps the moon traveling in the same path each time it orbits the earth? A.energ from the surroundings B.Pull of gravity between the moon and the earth C.orbits in space are pushing the moon towards the earth D.the winds ...
Wednesday, April 18, 2007 at 5:31pm by Hot stuff

Science
If on earth you weigh 420 newtons, and the gravitational pull on the moon is 1/6 of what it is on earth. What would be your weight on the moon?? Please show work Thanks!! :)
Tuesday, September 4, 2012 at 8:46pm by Madelyn Santiago

science
http://science.nationalgeographic.com/science/earth/the-dynamic-earth/weathering-erosion-article/
Monday, January 7, 2013 at 9:15pm by Ms. Sue

Earth Science
Why is it generally warmer in a rural area than in an urban area? I have a question: How does the earth's surface heat up or cool down? My answer: the sun heats up the earth darker surfaces are warmer than cooler surfaces. Please help.
Wednesday, December 19, 2007 at 12:29pm by Lori

earth science
The earth's differentiation and size were significant factors for life on Earth because Earth's composition and gravitational attraction _____. a.keep the moon and sun in orbit b.keep people grounded c.helped to create and retain Earth's atmosphere d.create and ...
Thursday, November 29, 2007 at 11:31pm by kelly

environmental science
The earth's differentiation and size were significant factors for life on Earth because Earth's composition and gravitational attraction
Tuesday, December 28, 2010 at 6:53pm by Anonymous

science
The earth rotates on its axis. As the earth turns, the sun irradiates the approximately half of the earth's surface exposed to it.
Monday, November 17, 2008 at 4:28pm by DrBob222

earth science
describe a possible pathway of carbon through the four spheres of the earth.Identifty what each the fourspheres of the earth contains
Sunday, February 13, 2011 at 11:08pm by jason

Science
Describe how the rotation of Earth is responsible for the movement of the stars. The rotation of earth is responsible for the movement of stars because as it rotates, objects around it rotate as well, such as planets, they appear to move through the stars because they are that...
Friday, February 5, 2010 at 8:54pm by Sara

science
How far away from the earth does acceleration due to gravity become 1% of its value at the earth's surface. Assume that the earth is a sphere of radius 638000000cm.
Friday, September 30, 2011 at 11:48am by Derrick

Science-Repost
Describe how the rotation of Earth is responsible for the movement of the stars. The rotation of earth is responsible for the movement of stars because as it rotates, objects around it rotate as well, such as planets, they appear to move through the stars because they are that...
Saturday, February 6, 2010 at 3:13pm by Sara

science
________ is the study of the earth. Just need to know if my answer or right or wrong. Thanks! :) Geology (Earth Science)
Thursday, August 19, 2010 at 3:26pm by ant

science
what are the four major fields of earth science? please help and thank you
Saturday, November 7, 2009 at 4:33pm by needhelp

Science
On the main sequence, what type will have life spans of about ten billion years? I took Earth Science last year so although I do not have them in front of me, I believe the are in the Earth Science Reference Tables (ESRT).
Tuesday, January 2, 2007 at 4:39pm by Liz

earth science
Traditionally,how have different fields of earth science been studied?
Thursday, November 29, 2007 at 11:29pm by Alexandra

Earth Science
I'll be glad to check your answer.
Tuesday, June 12, 2012 at 6:53pm by Ms. Sue

Earth Science
We'll be glad to check your answers.
Wednesday, July 20, 2011 at 11:19am by Ms. Sue

earth science
What are two lines of evidence that indicate that earth is rotating? What is the motion of the stars at night? What does the Sun do in the day? i want to seach features of the earth in its inner structure
Wednesday, August 30, 2006 at 12:31pm by steph

Science
Approximately what percentage of the estimated age of Earth does the Cenozoic Era represent and how do you know? look at pg. 9 in Earth Science Reference Tables? a. 1.4% b. 5.0% c. 11.9% d. 65.0%
Monday, June 15, 2009 at 9:27pm by Angie

Physics (please check!!!)
Calculate the magnitudes of the gravitational forces exerted on the Moon by the Sun and by the Earth when the two forces are in direct competition, that is, when the Sun, Moon and Earth are aligned with the Moon between the Sun and the Earth. This alignment corresponds to a ...
Thursday, April 28, 2011 at 11:31pm by Bon Oncle

science
The pull of gravity keeps the Moon in orbit around Earth. The distance between the Earth and Moon is about 380,000 kilometers. A crew of astronauts leaves Earth on a Monday and lands on the Moon on a Thursday. They land on the side of the Moon facing away from the Earth. On ...
Thursday, February 2, 2012 at 6:05pm by Bryan

AP environmental Science
What formula would i use to solve: If the earth has an annual growth rate of 1.2% how many people are added to the earth each year? what will be the population of earth in 2050? thanks, any help is appreciated!! :D
Sunday, October 16, 2011 at 10:17pm by Nicole

Earth Science
1. What are one internal and one external source of energy in the Earth system? 2. Earth scientists assume that the causes of natural events of phenomena can be discovered through... 3. Science constantly creates new technology. Does this new technology always benefit society?
Sunday, January 13, 2013 at 12:12pm by Emma

earth science repost!!!
go to different websites to check them
Thursday, October 18, 2007 at 6:47pm by fraser

earth science
compared to earth, earth jupiter
Sunday, February 20, 2011 at 5:15pm by Anonymous

science
what are the layers of the earth's interior in order??? Please send asap I am making a science study guide for my huge exam!
Sunday, May 24, 2009 at 4:45pm by giggles!!!

8th Grade Space and Earth Science
what is earth science??
Tuesday, February 3, 2009 at 9:44pm by nunyah

Physical Science
Here's a question from my homework that I have no idea where to even beging with it. A European "weighs" 100 kg on Earth. a. What is his mass on Earth? b. What is his weight on Earth? c. What is his mass on the moon where the acceleration due to gravity is 1/6 ...
Thursday, October 4, 2007 at 1:17pm by Beth

Earth Science
Describe how Earth would be different today if it contained no radioactive material. What would the consequences be for the Earth’s interior layers?
Thursday, December 2, 2010 at 6:28pm by Jack

Earth Science
Describe how Earth would be different today if. It contained no radioactive material. What would the consequences be for the Earth's interior layer?
Wednesday, September 30, 2009 at 1:00am by Breanna

earth science
Mass of earth = 5.98 * 10^24 kilograms radius of earth = 6.38 * 10^6 meters
Saturday, June 13, 2009 at 6:03pm by Damon

science
an imaginary dense star Z has 1/5 the radius of earth, but 1000 times earth's mass. How much would a masss weighing 1.0 N on earth weigh on Star z
Tuesday, January 25, 2011 at 12:17am by anonymous

Science
Why doesn't the space station fall toward the earth, instead of remaining in space? a) It is beyond the earth's gravitational pull. B) The earth's gravity is balanced out by the attraction of the sun and other planets. C) Centrifugal force keeps it up. D) It does ...
Sunday, September 11, 2011 at 8:32pm by John

Earth Science
thank you!
Tuesday, June 12, 2012 at 6:53pm by PLEASE HELP

science
True or false A.the moon revolves around the earth B.it takes one year for the earth to revolve around the sun Che earth rotates once a day
Tuesday, January 29, 2013 at 5:48pm by Anonymous

Precalculus
Can someone check my answers please? Thank you :) 30. What is Earth's rotational speed at (a) Bangor, Maine (latitude 45 degrees N) and (b) Rio de Janeiro, Brazil (latitude 23 degrees S)? (It's given in the problem also that Earth's rotational speed at the equator ...
Wednesday, January 13, 2010 at 9:56pm by Emily

Earth/Space Science
I'll be glad to check your answer. Hint: Global warming
Tuesday, March 20, 2012 at 5:20pm by Ms. Sue

earth science
Not really Earth science, but any way. If the temp decreases by 6.50C per km then at 2 km it is 13.0C less than at the surface.
Tuesday, April 7, 2009 at 4:29am by Dr Russ

Physics
Compute the angular momentum of the earth arising from the following motions. (a) Earth's orbital motion around the sun. (b) Earth's rotation on its axis. Can someone please help me with this question? Thanks
Friday, March 18, 2011 at 6:46pm by Anonymous

science
Is astronomy science? Is knowing the facts about the Earth's relationship with the sun and planets important? Do people need to know about the Earth's rotation, the seasons, and night and day?
Sunday, April 20, 2008 at 5:04pm by Ms. Sue

physcial science
How do I calculate the orbital velocity of a satellite that is 400 miles above the earth? Set the centripetal acceleration V^2/(R+h) equal to the gravitational acceleration, g * [R/(R+h)]^2 Then solve for V R is the earth's radius and h is the 400 mile height. g is the ...
Monday, June 25, 2007 at 12:42am by dave

earth
please write an essay about earth and its environment. please mention a suitable site
Friday, June 26, 2009 at 1:57pm by ramesh reddy

Science
How does life on Earth depend on the sun? I put If the Earth is too near from the sun then it will be too hot and we wouldnt't be able to live. But if the Earth is too far from the Sun then it would be too cold. Is that a right answer?
Monday, November 21, 2011 at 4:26pm by Himey

Physics
I have to make up my own standardized questions for a project, and I wanted to make sure I did my math right. Can someone please check it? Thanks!! If your mass was 60 kg, the earth’s mass was 6×10^24 kg, the radius of the earth was 6.4×10^6 meters, and the ...
Sunday, April 13, 2008 at 10:53pm by Emily

science
If on Earth one sees the moon as going around Earth. If on the sun,one sees the moon rotating around the SUN (albeit the moon is in a wobbly orbit around the Sun). Both are right, however, most would say Earth ( we are after all, on Earth, and very Earth centric in our thinking).
Wednesday, August 18, 2010 at 6:59pm by bobpursley

science science science science science science
B. Pull of gravity between the moon and the earth
Wednesday, April 18, 2007 at 5:31pm by Anonymous

science science science science science science
b. because the gravity of the pull is between the moon and the earth.
Wednesday, April 18, 2007 at 5:31pm by jj

Physics
a) If the period on planet X is 2T, the acceleration of gravity (g) at the surface is 4 times less than Earth's, because Period = 2 pi sqrt(L/g) Since g = GM/R^2, if g is 1/4 as large as Earth's, and R is half the Earth's radius, M is 1/16 of Earth's. g(X) = g(...
Sunday, May 15, 2011 at 11:10pm by drwls

physics
Huh? g is not 9.8 on Earth. the acceleration at Earth's surface is 9.8m/s^2. The gravitational field at Earth is 9.8N/kg Why that number? The mass of the Earth, and the diameter of Earth determine it. g=G*MassEarth/radiusEarth^2
Thursday, May 6, 2010 at 10:13pm by bobpursley

Earth Science
I Believe it is "all of the above".
Tuesday, June 12, 2012 at 6:53pm by PLEASE HELP

Earth Science
My goodness, you have a lot of aliases. Please don't switch names in this forum. Please see the answer I posted earlier about this question.
Monday, February 9, 2009 at 9:48pm by Ms. Sue

Science-Repost
Describe Earth's rotation in terms of its axis and length of time to rotate. Earth's axis has never pointed in the same direction. It slowly traces a circle every 26 000 years. The tilt of the earth's axis isn't usually pointing straight up. It traces a circle ...
Saturday, February 6, 2010 at 3:12pm by Sara

Physics- drwls please help
(a) Calculate the kinetic energy that the earth has because of its rotation about its own axis. Assume that the earth is a uniform sphere and that its path around the sun is circular. For comparison, the total energy used in the United States in one year is about 9.33 109 J. (...
Wednesday, March 28, 2007 at 6:52pm by Jim

PLEASE HELP EARTH SCIENCE EMERGENCY!!!!
If you melt year around ice in the earth (permafrost) in northern climates, it may have natural gas, Methane, trapped underneath. The melting could release the methane into the atmosphere. Methane is a greenhouse gas. This is another positive feedback loop.
Saturday, December 15, 2012 at 11:53am by Damon

physics
Find the distance (measured in earth radii, RE) from the center of the earth to a point outside the earth where the acceleration of gravity due to the earth is exactly one ninth of its value on the surface of the earth.
Saturday, April 24, 2010 at 8:16pm by Muhammad

science
The earth exerts a force of 2200N on an orbiting communications satellite that is 35mi above the earth..What is the magnitude of the force the satellite will exert on the earth??
Thursday, March 11, 2010 at 10:04pm by Elver Gon

earth science
I should think that if you pulled the earth apart the innards would come bubbling up, smoking and steaming. If you scrunched a hunk of earth, like the Indian subcontinent, into some huge hunk of earth like Asia, you would get all kinds of ripples and folds and pieces pushed up...
Sunday, March 9, 2008 at 1:52pm by Damon

Science
If you are referring to the earth's equator, that is an imaginary line around the earth equidistant from the north pole and the south pole that divides the earth into the northern hemisphere and the southern hemisphere.
Monday, September 10, 2012 at 3:55pm by DrBob222

Science
Describe how the movement of Earth is responsible for day and night. The movement of earth is responsible for day and night because as it rotates counterclockwise we tend to have this result. The part of earth that faces the sun experiences daylight, and the part that faces ...
Friday, February 5, 2010 at 9:36pm by Sara

science
In addition to the information that Damon has provided, you may find this information helpful and interesting: http://science.howstuffworks.com/asteroid-hits-earth.htm Typical asteroid impact speeds, relative to earth, are usually in a range of tens of thousands of mph, ...
Saturday, December 19, 2009 at 5:50am by drwls

Science-Astronomy
Using the equation speed=distance/time, calculate the speeds(in km/hour) of a geosynchronous satellite I'm given that the distance from this particular geosynchronous satellite is 36000km from Earth, and orbits Earth 24h. I can not understand how to solve this question. My...
Monday, October 6, 2008 at 11:17pm by Anonymous

Science
How did people shape the Earth? Please answer thanks
Wednesday, March 9, 2011 at 5:49pm by Melea

Science
Here's my question--- Precession of earth's axis causes- a-axial tilt b-a change in the north pole star c-seasons d-day and night My answer was a- m i rite? Precession of earth's axis caused by the centrifugal force of the Earth's rotation... =) The cause of ...
Thursday, May 24, 2007 at 6:35am by shivangi

Science 8R - HW Qs. Check
How long does it take the earth to rotate on its axis? my answer - 365 days right????
Thursday, January 31, 2013 at 8:08pm by Laruen

Science
Here is a question on my science worksheet, "if a projectile's fall matches Earth's 'BLANK', the projectile will not hit earth." i need help figuring out what would go in the blank!
Wednesday, February 24, 2010 at 8:04pm by Morgan

Physics please help
How far from the center of the Earth (in km) is the center of mass of the Earth + satellite system if the satellite has a mass of 6560 kg and is in orbit 46200 km above the surface of the Earth. The mass of the Earth is 5.98 * 10^24 kg and the radius of the Earth is 6370 km.
Monday, November 14, 2011 at 8:49pm by Me

science
The earth tries to maintain its inertia as it moves perpendicular to the direction of the sun, but the sun's gravitational attraction force keeps changing the direction of earth's motion, forcing the earth to move in a circular path.
Tuesday, October 6, 2009 at 8:49am by drwls

physics help please!
A spacecraft is on a journey to the moon. At what point, as measured from the center of the earth, does the gravitational force exerted on the spacecraft by the earth balance that exerted by the moon? This point lies on a line between the centers of the earth and the moon. The...
Thursday, February 10, 2011 at 7:08pm by Hannah

science
When astronauts travel into space, they can still see Earth and the moon. why is this possible? A. The sun shines in the windows of their space vehicle. B. They view earth and moon through a telescope. C. The sun's light reflects off earth and the moon. D. The astronauts ...
Saturday, March 27, 2010 at 5:48pm by Anonymous

Earth Science
Why is the Colorado river in central nevada not part of a larger river system? Please help!! i am stuck in this quetion. Please help!!!!!!
Monday, February 9, 2009 at 9:48pm by amanda

physics help
The earth orbits the sun once a year (3.16 10^7 s) in a nearly circular orbit radius 1.50 10^11 m. With respect to the sun, determine the following. (a) the angular speed of the earth 1 rad/s (b) the tangential speed of the earth 2 m/s (c) the magnitude and direction of the ...
Friday, November 19, 2010 at 3:59pm by john

physics- please help me!
Earth turns on its axis approximately once every 24 hours. The radius of Earth is 6.38 X 10^6 m. a.) If some astronomical catastrophe suddenly brought Earth to a screeching halt (a physical impossibility as far as we know), with what speed would Earth's inhabitants who ...
Tuesday, December 9, 2008 at 5:54pm by rory

6th grade Science
Check this site. http://www.watersheds.org/earth/karst.htm
Tuesday, September 29, 2009 at 7:11pm by Ms. Sue

Science-Damon
Describe how the movement of Earth is responsible for day and night. The movement of earth is responsible for day and night because as it rotates counterclockwise we tend to have this result. The part of earth that faces the sun experiences daylight, and the part that faces ...
Saturday, February 6, 2010 at 8:13pm by Sara

Science 8R - HW Qs. Check (#2)
How long does it take the earth to revolve around the sun? my answer - 365 days right????
Thursday, January 31, 2013 at 8:09pm by Laruen

Physics
Your basic equations are Newtons gravity equation, and centripetal force. Set them equal. Then remember velocity=2PI r/Period keep units in SI. Remember the trick in a: when you find r, subtract the radius of earth. Why are you grazing for answers? I will check your work if ...
Saturday, September 29, 2012 at 2:00am by bobpursley

Earth Science
Does energy flows through the Earth's system by heat?
Friday, September 28, 2012 at 11:55am by Matt

earth science
how does the apparent diameter of the sun from earth affect the orbital velocity?
Monday, March 14, 2011 at 9:42pm by k

Science
If Earth's mass were smaller, how would Earth's gravity be affected?
Sunday, October 3, 2010 at 4:56pm by Glen

Earth Science
Why is the speed of Earth's rotation different at the equator than it is at the poles?
Wednesday, October 7, 2009 at 8:02pm by Jackie

Earth and Space Science
which is closer to earth a moon or galaxy?
Saturday, March 23, 2013 at 10:09pm by Stephanie

Earth Science
How energy flows through the Earth's system?
Monday, October 1, 2012 at 11:56am by John

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