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April 21, 2014

Search: SCIENCE/ earth

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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

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

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 retain ...
Thursday, November 29, 2007 at 11:31pm by kelly

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

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

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
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
Luis wanted to create a clay model of earth and the sun. To show how Earth rotates, Luis wants to use a toothpick to represent Earth's axis of rotation. Where should Luis place the toothpick? A. Horizontally through Earth in the direction Earth is traveling B. Vertically ...
Wednesday, November 20, 2013 at 8:27pm by Anna

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
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

Science
Compared with the strength of Earth's gravity at its surface, how much weaker is gravity at a distance of 10 Earth radii from Earth's center? At 20 Earth radii?
Thursday, June 13, 2013 at 10:08pm by Mia

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

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

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

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

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

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

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

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?
Saturday, January 12, 2013 at 6:40pm by Emma

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

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

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 that of the ...
Thursday, October 4, 2007 at 1:17pm by Beth

science
A distant spaceship carrying a red headlight, emitting light with wavelength 600nm, is heading towards the earth. Observers on the earth detect the light from the headlight as ultraviolet light with wavelength 200nm. What is the velocity of the spaceship? b) As the space ship ...
Sunday, March 9, 2014 at 12:44pm by Relativity quest. help pls

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

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
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

Science
What is the circular velocity of an Earth satellite 1000. km above Earth's surface? (Note: Earth's average radius is 6371 km.)
Thursday, June 13, 2013 at 10:09pm by Mia

science
A person who weighs 600 newtons on Earth would weigh only 100 newtons on the Moon. Which statement best explains why? A.The circumference of Earth is larger than that of the Moon. B.The density of Earth is greater than that of the Moon. C.The mass of Earth is greater than that...
Monday, February 17, 2014 at 4:43pm by victoria

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 fall toward ...
Sunday, September 11, 2011 at 8:32pm by John

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
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 retain internal...
Sunday, June 6, 2010 at 4:33pm by Taylor PLEASE URGENT!!!

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

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

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
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

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

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

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

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.

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(earth)*[M(X)/M(...
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

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

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

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
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
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
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 the precession is ...
Thursday, May 24, 2007 at 6:35am by shivangi

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
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 something that he...
Tuesday, September 23, 2008 at 7:37pm by Roderick

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

science
why can you never see the far side of the moon from Earth ? a) because earth is spinning too quickly b) because it cannot be seen during daylight hours c) because the moon rotates once on its axis in the same time that it takes to revolve around earth d) because the moon does ...
Wednesday, November 13, 2013 at 3:21pm by victoria

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

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 look ...
Saturday, March 27, 2010 at 5:48pm by Anonymous

science
If we drilled a hole straight through the earth, and dropped a golf ball down the hole, starting initially at rest, how fast would the ball be traveling when it reached the center of the earth. The earth’s radius is 6378 km.
Thursday, February 6, 2014 at 8:28pm by kristi

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

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

earth science
how does radioactive decay provide heat energy within the earth
Saturday, July 19, 2008 at 3:06pm by kate

Earth Science
Precipitation, wind, earthquakes, and volcanoes cause the earth's surface to change.
Wednesday, November 4, 2009 at 1:08pm by Ms. Sue

Earth Science
Upon what measurement is the Earth's latitude and longitude system based?
Thursday, February 18, 2010 at 7:13pm by Kate

Science
How Does Earth's atmosphere make conditions on Earth suitable for living things?
Wednesday, August 25, 2010 at 7:21pm by sue

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

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

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

earth science
" A condition of gravitational and bouyant equilibrim between earth's litosphere and asthenosphere" ... is what?
Monday, March 10, 2008 at 7:51pm by Stephen

Science
How does the earth's tilt affects how directly light reaches different parts of the earth?
Wednesday, February 25, 2009 at 9:17pm by Matt

Science
The tilt of the earth affects the angle at which sunlight hits different parts of earth.
Wednesday, February 25, 2009 at 9:17pm by DrBob222

earth science
describe five ways earth's oceans affect our life?
Monday, May 9, 2011 at 4:57pm by nicole

Earth Science
Can someone five me an example of how carbon cycles through the Earth's system?
Friday, September 28, 2012 at 11:46am by Matt

science
The moon revolves around the earth. When it is between the earth and the sun, all we see is the side that is in shadow. That is "new moon" As it moves around so it is perpendicular to a line between earth and sun, we see the half that is lit. When it is behind the earth, the ...
Thursday, February 20, 2014 at 10:48pm by Damon

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 7:16pm by Sara

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
Which single factor generally has the greates effect on the climate of an area on the earth's surface?
Monday, May 9, 2011 at 4:16pm by Maria

Science
Reradiation of heat from the Earth is the source in the greenhouse, the Sun sends radiation into Earth.
Thursday, January 22, 2009 at 6:31pm by bobpursley

earth science
how did oxygen come to make up 21 percent of earth present atmosphere.
Sunday, March 3, 2013 at 10:45am by kimberly pagan

Earth science
Earth’s troposphere, hydrosphere, and lithosphere contain relatively large amounts of which element?
Tuesday, April 2, 2013 at 6:02pm by Rihanna

physical science
The orbital velocity of an earth satellite in an orbit 400 mi above the earth?
Monday, April 8, 2013 at 4:59pm by ben

Earth science
How long an exposure would a photographer need to photograph star trails that are complete circles? Why? The star Sirius is 4.3 light years from Earth. Determine the distance to Sirius in km and in astronomical units. THe moon's average distance from Earth is about 380,000 km...
Sunday, April 19, 2009 at 3:22pm by Lauren

earth science
how are scientist approaching the study of Earth today?
Thursday, November 29, 2007 at 11:31pm by Alexandra

earth science
decribe the composition and nechanisms of the earth crust
Thursday, September 24, 2009 at 6:20pm by tunday

earth science
how do the four subsystems of earth interact with one another
Friday, January 8, 2010 at 5:09pm by shaquetta

Earth/Space Science
The Earth would not have seasons.
Sunday, April 15, 2012 at 6:43pm by Keya

Earth/Space Science
The Earth would not have seasons.
Sunday, April 15, 2012 at 6:43pm by Keya

Earth Science
How energy flows through the Earth's system.
Sunday, September 30, 2012 at 1:11pm by Jacob

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

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

Science
Why is freshwater a limited resource? A. because most water on Earth is in lakes B. because most water on Earth is in clouds C. because most water on Earth is in the ground D. because most water on Earth is saltwater D
Friday, January 10, 2014 at 1:14pm by Anonymous

Science-Repost
Earth rotates about its north south axis every 24 hours. Earth revolves around the sun every year. As you said the tilt of the earth axis does change, but over thousands of years and I doubt if that is what is being asked.
Saturday, February 6, 2010 at 3:12pm by Damon

science
if a planet has four times the density of earth half the diameter will the gravity be stronger or weaker than earth
Sunday, August 31, 2008 at 2:42pm by ann

earth science
false. That's why there's a so-called "dark side" of the moon. It's the face that is never visible form earth.
Tuesday, May 15, 2012 at 11:05am by Steve

physics
Get the velocity of the earth in its orbit from V = (2 pi R)/P P is the orbital period, which is one year converted to seconds. R is the Earth's orbital radius. The centripetal acceleration of the Earth is a = V^2/R. The force exerted on the Earth by the sun is Me * a where Me...
Tuesday, April 27, 2010 at 3:37pm by drwls

earth science
what is the greatest danger from volcanoes?? a. watery lava b. mud flows c. oxygen d. bulging of the earth's crust
Saturday, June 6, 2009 at 10:57am by matt

earth science
Convection currents keep the mantle moving and that is what moves the plates of the earth during plate tectonics
Wednesday, November 18, 2009 at 6:47pm by Liz

science
Suppose a near earth asteroid of radius 50m strikes the earth surface.what could be the impact of such a collision?
Monday, December 21, 2009 at 12:10pm by sam

physical science
the attraction or pull of a person"s body toward the earth by the earth is called weight.the reaction to this force is the:
Monday, January 17, 2011 at 3:56pm by kitsy

Science Earth
Would earthquakes of similar magnitudes in different regions of the Earth cause approximately the same levels of damage?
Monday, June 13, 2011 at 4:46pm by Anonymous

science
The seasons change BC A.the earth rotates slowly or B. The earth is tilted on its axis as it revolves around the sun
Tuesday, January 29, 2013 at 5:36pm by Anonymous

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