Wednesday
April 16, 2014

Homework Help: Science: Earth

Recent Homework Questions About Earth

Post a New Question | Current Questions

earth
thanks
Sunday, January 13, 2013 at 3:52pm

earth
thankyou that's what I thought it was but I wasn't sure
Sunday, January 13, 2013 at 3:51pm

earth
D.
Sunday, January 13, 2013 at 3:50pm

earth
#40 which type of rock is a result of a rock changing by heat and pressure? a. metamorphic rock b. igneous rock c. sedimentary rock d. metal ores
Sunday, January 13, 2013 at 3:49pm

earth
#37 whenever scientist carefully measure any quantity many times they expect that: a. all the measurements will be exactly the same b. only two of the measurements will be exactly the same c. all but one of the measurements will be exactly the same d. the measurements will be ...
Sunday, January 13, 2013 at 3:47pm

earth
A.
Sunday, January 13, 2013 at 3:47pm

earth
either A. or D.
Sunday, January 13, 2013 at 3:46pm

earth
#25 seismic waves are similar to sound waves because_______ a/ both are produced by vibrations b/ both are caused by humans c/ they are both produced by radiation d/ seismic waves and sound waves are not similar in any way
Sunday, January 13, 2013 at 3:45pm

earth
B. convection
Sunday, January 13, 2013 at 3:44pm

earth
yes its B.
Sunday, January 13, 2013 at 3:42pm

earth
#16 the inner core of the earth is solid because of increased__________ a> density and composition b> density and temperature c> temperature and pressure d> pressure and density
Sunday, January 13, 2013 at 3:42pm

earth
I think its D. sea floor spreading
Sunday, January 13, 2013 at 3:42pm

earth
#15 The primary cause of crustal movement is_________ a.) conduction b.) convection c.) magnetism d.) radiation please help have no idea
Sunday, January 13, 2013 at 3:41pm

earth
#11 The state fossil of Nevada is the "Ichthyosaur", a dinosaur that lived in salt water. Why are so many of these fossils found in Nevada? a)lake mead once covered most of Nevada b)Nevada was once covered by oceans c)Ichthyosaur left the water to die d)ichthyosaurs ...
Sunday, January 13, 2013 at 3:40pm

earth
C. melting
Sunday, January 13, 2013 at 3:40pm

earth
#10 which of the following is an effect of divergent plate movement? a.) glacial activity b.) mountain building d.) canyon erosion e.) sea floor spreading
Sunday, January 13, 2013 at 3:40pm

earth
#39 magma is a result of what process? a. cementation b. crystallization c. melting d. metamorphism
Sunday, January 13, 2013 at 3:29pm

earth science
#33 When conducting an experiment that deals with boiling chemicals, which of the following pieces of equipment would be most important to protect you from being injured? a. fire blanket b. eye wash c. tongs d. goggles I cant decide between c and d because your eyes do need to...
Sunday, January 13, 2013 at 3:22pm

earth science
#31 strike slips faults are most likely to occur along which type of plate boundary? a. convergent b. transform c. transcontinental d. divergent
Sunday, January 13, 2013 at 3:13pm

earth science
thanks
Sunday, January 13, 2013 at 3:06pm

earth science
http://en.wikipedia.org/wiki/Inner_core
Sunday, January 13, 2013 at 3:06pm

earth science
Use the dictionary or google.
Sunday, January 13, 2013 at 3:05pm

earth science
Use the dictionary
Sunday, January 13, 2013 at 3:04pm

earth science
All of them.
Sunday, January 13, 2013 at 3:03pm

earth science
#26
Sunday, January 13, 2013 at 3:03pm

earth science
which of the following element are found in the Earths crust? iron oxygen calcium all of the above
Sunday, January 13, 2013 at 3:02pm

earth science
#26 An inference is_____ A" using your sense to gather data B" a conclusion mad based on data C" a prediction about the results of an experiment D" a persons feeling or judgment about something
Sunday, January 13, 2013 at 3:00pm

earth science
#25 seismic waves are similar to sound waves because_______ a/ both are produced by vibrations b/ both are caused by humans c/ they are both produced by radiation d/ seismic waves and sound waves are not similar in any way
Sunday, January 13, 2013 at 2:57pm

earth science
#16 the inner core of the earth is solid because of increased__________ a> density and composition b> density and temperature c> temperature and pressure d> pressure and density
Sunday, January 13, 2013 at 2:52pm

Earth Science
thankyou those are the only choices so I am going with water
Sunday, January 13, 2013 at 2:49pm

Earth Science
thankyou those are the only choices so I am going with water
Sunday, January 13, 2013 at 2:49pm

Earth science
the only choices are conductive convection magnetism radiation
Sunday, January 13, 2013 at 2:34pm

Earth science
the only choices are conductive convection magnetism radiation
Sunday, January 13, 2013 at 2:33pm

physics
The masses of the earth and moon are 5.98 × 1024 and 7.35 × 1022 kg, respectively. Identical amounts of charge are placed on each body, such that the net force (gravitational plus electrical) on each is zero. What is the magnitude of the charge placed on each body?
Sunday, January 13, 2013 at 1:03pm

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

physics
M*g = 1.52 Newtons (the weight), in both cases. I assume the ball is thrown on Earth somewhere. That is why the g comes in.
Sunday, January 13, 2013 at 1:43am

Earth Science
I don't believe water is correct. Here is a site that tells you that the speed of sound is greater in water than in air and greater in iron than in water. Steel is mostly iron. http://en.wikipedia.org/wiki/Speed_of_so​und
Sunday, January 13, 2013 at 12:20am

Earth Science
Quartz is SiO2.
Sunday, January 13, 2013 at 12:15am

Earth Science
A. Water
Saturday, January 12, 2013 at 11:03pm

Earth science
B. Pressure
Saturday, January 12, 2013 at 11:02pm

Earth science
Plate tectonics
Saturday, January 12, 2013 at 11:02pm

Earth science
what does pressure and density do?
Saturday, January 12, 2013 at 11:00pm

Earth Science
Quartz is made up of___________ a.)silicon and oxygen b.)iron and oxygen c.)silicon and carbon d.)iron and silicon
Saturday, January 12, 2013 at 10:35pm

Earth Science
Seismic waves move faster through which of the following media? a.) water b.) steel c.) oxygen d.) oil Please answer my study guide is due Monday and the teacher hasn't gone over this I looked through my notes and everything. It would really help if you answer...Please ...
Saturday, January 12, 2013 at 10:32pm

Earth science
The inner core of the Earth is solid because of increased___________ a.)density and composition b.)density and temperature c.)temperature and pressure d.)pressure and density
Saturday, January 12, 2013 at 10:28pm

Earth science
Which of the following is MOST similar between the inner and outer core of the Earth? a.)composition b.)pressure c.)movement d.)density
Saturday, January 12, 2013 at 10:26pm

Earth science
What is the primary cause of crustal movement?
Saturday, January 12, 2013 at 10:21pm

physics
The distance from the center of the earth must be sqrt5 times the radius of the Earth, in order for the gravity pull to be five times less than at the surface. That would be 14,240 km from the center of the Earth, or 7860 km above the surface.
Saturday, January 12, 2013 at 9:01pm

physics
In what height the gravitational force with which earth exerts on any object in distance is 5 times smaller than the gravitational force,with which earth exerts in the same object when that object is on earth?
Saturday, January 12, 2013 at 8:16pm

physics
In what height the gravitational force with which earth exerts on any object in distance is 5 times smaller than the gravitational force,with which earth exerts in the same object when that object is on earth?
Saturday, January 12, 2013 at 7:29pm

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

Earth Science
what is the density of a block with 3cm times 3cm times 3cm
Saturday, January 12, 2013 at 11:01am

Physics
The International Space Station is 370 km above the Earth's surface (Re = 6378 km, Me = 5.98 x 10^24 kg). What is the linear velocity of the space station in m/s
Friday, January 11, 2013 at 12:44pm

math
Which option best explains the sentence below in math terms? The Earth is covered by 30 percent land and 70 percent water.
Friday, January 11, 2013 at 11:38am

College Physics
The masses of the earth and moon are 5.98 × 1024 and 7.35 × 1022 kg, respectively. Identical amounts of charge are placed on each body, such that the net force (gravitational plus electrical) on each is zero. What is the magnitude of the charge placed on each body?
Thursday, January 10, 2013 at 9:17pm

7th grade Social Studies Ms. Sue please!
This homework question was removed due to a copyright claim submitted by Connections Education. My answers: 1. organize information. 2. enough detail. 3. Earth's tilt and orbit 4. new landforms. 5. latitude. 6. polar. 7. birth rates and death rates. 8. They cannot find ...
Thursday, January 10, 2013 at 5:44pm

Physics THRUST
To begin I just need to know how to do thrust. A lunar lander in powered descent at 100 m above the surface of the moon slows down from a velocity of 20 m/s to 0.5 m/s at constant acceleration. Assume that the lander has a mass of 20,000 kg and that burning the fuel does not ...
Thursday, January 10, 2013 at 3:24pm

Science
Compare the nature greenhouse effect process with the human induced. 2. What are the greenhouse gases? Which one is the biggest concern? 3. What are scientists doing to collect data? 4. What role does the carbon cycle play in this problem? 5. What are the political and ...
Thursday, January 10, 2013 at 10:11am

Please CHECK thanks
Please check and tell me what I got wrong and let me know the correct answer for the problem. Thanks. 1. Diarrhea can be caused by a change in diet and different minerals in the water. True (yes) False 2. Fusion produces less radioactivity than fission. True False (yes) 3. ...
Wednesday, January 9, 2013 at 6:31pm

Somebody check this plz..and thanks.
Please check and tell me what I got wrong and let me know the correct answer for the problem. Thanks. 1. Diarrhea can be caused by a change in diet and different minerals in the water. True (yes) False 2. Fusion produces less radioactivity than fission. True False (yes) 3. ...
Wednesday, January 9, 2013 at 4:23pm

8th Grade Science I need help!!!!
http://www.enchantedlearning.com/subject​s/dinosaurs/dinofossils/Fossiltypes.html​ http://www.sciencekids.co.nz/sciencefact​s/earth/fossils.html
Wednesday, January 9, 2013 at 12:56pm

Physics
The sun has a mass of 1.99x10 30 kg the earth has a mass of 5.98x10 24 kg and is 1.496x10 11 m from the sun a) Calculate the force of gravity acting on the eaarth by the sun b) CAlculate the force of gravity acting on the sun by the earth
Tuesday, January 8, 2013 at 7:42pm

Science
http://scienceblogs.com/startswithabang/​files/2011/09/Layers-of-Earth.jpeg http://en.wikipedia.org/wiki/Structure_o​f_the_Earth
Tuesday, January 8, 2013 at 7:22pm

Science
What are thease layers of earth made of? Crust Lower mantel outer core inner Core. and asthenospher and lithosphere
Tuesday, January 8, 2013 at 7:18pm

Will somebody help me please?
1. Diarrhea can be caused by a change in diet and different minerals in the water. True False 2. Fusion produces less radioactivity than fission. True False 3. Wise travelers eat only cooked vegetables in underdeveloped areas. True False 4. The kilogram is the basic unit of ...
Tuesday, January 8, 2013 at 10:37am

earth
Uhmm Sarah, what's flowing rock supposed to mean??
Tuesday, January 8, 2013 at 12:44am

earth
Uhmm Sarah, what's flowing rock supposed to mean??
Tuesday, January 8, 2013 at 12:43am

Science
What role does induction play when lightning strikes Earth?
Monday, January 7, 2013 at 9:48pm

science
http://science.nationalgeographic.com/sc​ience/earth/the-dynamic-earth/weathering​-erosion-article/
Monday, January 7, 2013 at 9:18pm

I need help..
1. Diarrhea can be caused by a change in diet and different minerals in the water. True False 2. Fusion produces less radioactivity than fission. True False 3. Wise travelers eat only cooked vegetables in underdeveloped areas. True False 4. The kilogram is the basic unit of ...
Monday, January 7, 2013 at 4:48pm

Please guys. Help me out.
1. Diarrhea can be caused by a change in diet and different minerals in the water. True False 2. Fusion produces less radioactivity than fission. True False 3. Wise travelers eat only cooked vegetables in underdeveloped areas. True False 4. The kilogram is the basic unit of ...
Monday, January 7, 2013 at 1:34pm

Science Somebody Help Me Please..I have a deadline
1. Diarrhea can be caused by a change in diet and different minerals in the water. True False 2. Fusion produces less radioactivity than fission. True False 3. Wise travelers eat only cooked vegetables in underdeveloped areas. True False 4. The kilogram is the basic unit of ...
Monday, January 7, 2013 at 1:23pm

Science
I have to do a venn diagram of the earth and mars,how are they alike and how they are different
Monday, January 7, 2013 at 9:00am

Earth Science
measure its mass The density is then mass/volume
Sunday, January 6, 2013 at 7:46pm

Earth Science
How you would determine the density of a block that measures 3 cm X 3cm X 3cm.
Sunday, January 6, 2013 at 7:33pm

Math
The distance from earth to planet X is 1.7(10^7)miles. If a spaceship is capable of traveling 1,420 miles per hour, how many DAYS will it take the spaceship to reach the planet X? Round the answer to the nearest day.
Sunday, January 6, 2013 at 12:18pm

physics
On August 12, 2005 the Mars Reconnaissance Orbiter (MRO) was launched from Earth and reached Mars on March 10, 2006. The orbiter is in roughly circular orbit about 390 km above the martian surface. Mars has a radius of 3396 km and a mass of 0.642 x 1024 kg (6.42E23 kg). Here ...
Friday, January 4, 2013 at 8:39am

Essay on UNITED WE STAND, DIVIDED WE FALL
United We Stand It is very much true in the history of the independence struggle in India, when Indians stayed together and fought against the British and raised India’s tricolor flag on 1947 August 15 in Red fort of New Delhi. Nelson Mandela and those who were considered...
Friday, January 4, 2013 at 12:59am

Physics
On August 12, 2005 the Mars Reconnaissance Orbiter (MRO) was launched from Earth and reached Mars on March 10, 2006. The orbiter is in roughly circular orbit about 390 km above the martian surface. Mars has a radius of 3396 km and a mass of 0.642 x 1024 kg (6.42E23 kg). b) ...
Thursday, January 3, 2013 at 7:25pm

Physics
On August 12, 2005 the Mars Reconnaissance Orbiter (MRO) was launched from Earth and reached Mars on March 10, 2006. The orbiter is in roughly circular orbit about 390 km above the martian surface. Mars has a radius of 3396 km and a mass of 0.642 x 1024 kg (6.42E23 kg). b) ...
Thursday, January 3, 2013 at 3:18pm

Earth science
Review the 1906 Quake that hit San Francisco and answer the questions below. 1. San Francisco is found to have been constructed on several large strike-slip faults. If these faults become active, what specific type of damage (based on the type of fault involved) would you ...
Thursday, January 3, 2013 at 3:08pm

earth science
The wavelengths are shorter in this region
Thursday, January 3, 2013 at 12:50pm

Algebra II
The weight of a body varies inversely as the square of its distance from the center of the earth. If the radius of the earth is 4000 mi, how much would a 200 lb man weigh 1000 mi above the surface of the earth?
Thursday, January 3, 2013 at 7:23am

earth science
The wavelength of infrared portion is shorter.
Wednesday, January 2, 2013 at 8:41pm

physics
(a) gravity (the bottle's weight) and air resistance b) There are opposing reactions of the bottle upon the earth and upon the atmosphere.
Wednesday, January 2, 2013 at 9:25am

earth science
How does the wavelength of the infrared portion of the electromagnetic spectrum differ from that of the visible portion of the spectrum?
Tuesday, January 1, 2013 at 8:39pm

7th grade social studies
1. To pinpoint the absolute location of a place, geographers use (1 point) nearby landmarks. the Atlantic and Pacific oceans. the North and South poles. latitude and longitude. 2. What does the theme of movement help geographers to understand? (1 point) a location's ...
Tuesday, January 1, 2013 at 8:05pm

writing
do you think that life on earth could become this difficult during your life time?what factor could cause to take place ?a story about that shows what life might be like in the world?
Tuesday, January 1, 2013 at 12:39pm

physics
A pendulum and a mass spring system are both undergoing simple harmonic motion on Earth (use g = 10 N/kg). It is observed that every time the pendulum goes back and forth, the spring has gone up and down 14 times. If the pendulum has a length of 5 meters and the mass is 100 g...
Monday, December 31, 2012 at 6:29pm

physics-mechanics
I did this for you already A 1.0kg mass weighs 9.8 Newton on earth's surface, and the radius of Earth is roughly 6.4 x 10 to the power of 6. The mass of the earth is 6.02 x 10 to the power of 24. Calculate the average density of Earth? Physics - Damon, Monday, December 24...
Thursday, December 27, 2012 at 7:13pm

physics-mechanics
A 1.0 kg mass weighs 9.8 N on Earth's surface, and the radius of Earth is roughly 6.4 x 10^6 m. Calculate the average density of Earth
Thursday, December 27, 2012 at 7:09pm

Physics-mechanics
A 1.0 kg mass weighs 9.8 N on Earth's surface, and the radius of the Earth is roughly 6.4 x 10^6 m. Calculate the average density of Earth. (Show how you would calculate for density; don't just give the answer because L wan't to understand how you arrived at your ...
Thursday, December 27, 2012 at 9:00am

Science
The earth's layers
Wednesday, December 26, 2012 at 11:06am

6th grade science
The earth's layers
Wednesday, December 26, 2012 at 11:04am

Astronomy
First compute the mass of the asteroid from its density and radius,r. Call it m. m = (4/3)pi*r^3 Then compute E = G*M*m/R, where R is the radis of the Earth M is the mass of the Earth m is the mass of the asteroid G is Newton's universal constant of gravity E is the energy...
Tuesday, December 25, 2012 at 9:15am

earth
Also you need to use a graph to finish that chart man.
Monday, December 24, 2012 at 11:48am

earth
You have nothing good to say GTFO. You cranky prick.
Monday, December 24, 2012 at 11:48am

Physics
A 1.0kg mass weighs 9.8 Newton on earth's surface, and the radius of Earth is roughly 6.4 x 10 to the power of 6. The mass of the earth is 6.02 x 10 to the power of 24. Calculate the average density of Earth?
Monday, December 24, 2012 at 11:33am

Astronomy
Suppose the Moon is at a (center-to-center) distance D from Earth. Find an exact expression for the magnitude of the tidal force applied by Earth to our rock of mass m in terms of D, m, the mass of Earth Me (input as M_e), and the lunar radius Rm (input as R_m).
Sunday, December 23, 2012 at 2:36pm

Astronomy
Darwin proposed that the Moon formed far closer to Earth than it is now. Let’s see just how close it could possibly be to Earth and survive. In particular, in the next 4 problems you will find the distance from Earth at which the tidal force due to Earth is sufficient to ...
Sunday, December 23, 2012 at 2:36pm

Pages: <<Prev | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | Next>>

Post a New Question | Current Questions

Homework Help: Science

Search
Members