Questions about Lava

1. How long does it take for magma to cool so you can walk on it?

2. When lava is flowing, how long does it take to harden up?

3. Can lava start fires with plant life, etc.?

4. How far can lava rivers travel without cooling down?

5. How far and how fast can Lava Flow?

6. What type of animals live on the lava flows?

7. If lava can travel 72mph, how fast can the ashes go when they shoot out of the volcano?

8. How does the lava get out of the volcano?

9. How many types of lava flows are there and how many types of volcanoes are there?

10. Why is under ground lava called magma and then when it comes up it's called lava?

11. How hot is it close to a lava stream?

12. How hot is the tempature of the lava?

13. What are the different types of lava flows?

14. Is Lava hotter when it is yellow or red?

15. How is lava formed?

16. Just how thick is the hardened lava there before you can walk on it?

17. How long does it usualy take for lava to reach the surface of the Earth?

18. How is lava made inside the world?

19. How long does it take lava to cool?

20. Why doesn't lava melt the sides of the volcano when it erupts.

21. When lava trees are formed, why doesn't the tree just get incinerated, instead of surrounded?

22. What kind of utensil do you gather the lava in.

23. How hot is lava?

24. I was wondering if you can give me some information on Pillow Basalts?

25. Why does gas and water make lava thick? (Like in a cinder cone)

26. What does lava smell like?

27. We want to know why magma changes its name to lava and exactly when does the name change?

28. Is it true that man can stop a thick lava flow (basically dam it up?).

29. How are pillow lavas formed? and where could I find some in the \UK?

30. What types of lava do you get undersea?

31. Could one of you tell us the most dangerous part of going to a volcano eruption?

32. What is the farthest distance recorded that lava and ashes have traveled?

33. Exactly how hot is lava?

34. If Lava is over 1000c and it burns everything in its path?

35. Can lava kill someone if it touches them?

36. Is there anything on the surface of the earth that lava can't melt?

37. I would like to know if any great dinosaur finds were fossilised in lava?

38. What is the greatest amount of lava that has ever erupted from any volcano?

39. I recently heard that living organisms have been discovered in lava.

40. What is the chemical composition of magma in the mantle and how does this change into basaltic and granitic lavas?

41. Where does the name MAGMA come from?

42. I've read in several texts that there is no (major) chemical difference in aa and pahoehoe. Yet other references claim they are compositionally different. What is your opinion?

43. How high does lava shoot up on a volcano?

44. If you were to be touched by lava what would happen to you.

45. Where does magma come from?

46. What determines whether the lava becomes aa or pahoehoe as it comes out of a volcano?

47. I wanted to know that in a typical lava flow, would a rock with small holes or larger holes be formed closest to the surface of a flow?

48. We have had a discussion in class we were wondering if lava ever is green?

49. How does the lava get so hot.

50. What is lava REALLY made of?

51. Does lava have a chemical formula?

52. Where did lava get its name?

53. How close have you been to lava?

54. How fast does the lava flow?

55. What are all the different forms of lava and magma?

56. What happens to the lava after the eruption?

57. What is black volcanic rock called?

58. If lava will melt everything in the world, how come I saw a picture of a guy holding lava?

59. How come when a volcano erupts, the lava doesn't just melt through the ground?

60. Is the only difference between aa and pahoehoe, the rate of effusion or is it more?

61. Why do volcanoes produce different types of lava?

62. What's the difference in the composition of continental and submarine lava?

63. How long does it take for lava to harden ?

64. Can you tell us more about the use of volcanic ash on agriculture and in the portland cement industry?

65. Does lava become harden rock after it cools, and can it be polished?

66. What is the highest speed lava has gone down a volcano?

67. What is the source of the Columbia flood basalts?

68. Why does it matter how hot the lava is?

69. Are the lavas with more silica-rich compositions more or less viscous?

70. Are there different kinds of lava?

71. What is the average speed of lava?

72. Does the lava from one eruption leave a path which lava from later eruptions will follow?

73. How does the lava harden and how long does it take to harden?

74. How hot is lava?

75. When a volcano erupts on the floor of the ocean, does the heat from the lava make the surrounding water boil?

76. Are there any different forms of lava and if so can you give me the names of the different forms and how they are formed?

77. Why is it that lava is so hot, but there's still some black (just warm) rock in it?

78. How long does it take for lava to cool once it has reached the surface?

79. What is the viscosity of lava when it erupts onto the Earth's surface?

80. Why don't volcanoes run out of lava or molten rock after erupting so many times?

81. What is magma and lava and what comes out of a volcano when it erupts

82. How hot is the lava when it erupts?

83. Is this type of volcanic eruption common? If so, when, where and how?

84. What is the largest lavaflow in the world

85. What is the colour of red lava?

86. Does Lava Have the same properies as water? In other Words does Lava seek it's own level etc.

87. Is it true that volcanos draw lava from the center of the earth? Has anyone actually gone into an inactive volcano to see what makes the lava in the volcano?

88. Is there anywhere accessible to tourists where a lava lake can now be seen?

89. If there is a lava flow, not just ash, will plants take root within a few years?

90. Please send me information about carbonatitie lavas other than the Lengai lavas.

91. Did scientists first begin to think that there was molten rock below the Earth's surface because of lava?

92. I'm working on a comic and I'd appreciate any info you had on the environment inside the Earth's core

93. Why are silicic lavas more viscous than basic lavas?

94. There used to be a hand soap named Lava.

95. How are lava, magma, and basalt of use to the environment?

96. sorry to bother u but i only have one more question it isn't possable to block the lava with concrete barriers and busses and other vehicles right?

97. why is lava so hot?

98. How much lava does an average volcano contain, before the eruption?

99. Is it possible for you to tell me where i can find volumes for specific lava flows from larger groups

100. Whats the difference between a intrusion and lava flow

101. what are some uses for lava

102. why some volcanos have lava and some have ash

103. Can you die if you stand in lava?

104. Lava is sometimes thin and runny and sometimes thick and sticky.

105. Why is it some lava moves so slowly when another can move at 60mph?

106. What is the temperature of molten lava as it flows?

107. Can you tell me the products which are formed by an active volcano, for example lava, magma & basalt?

108. Why can,t you live through a volcano?

109. I was wondering, is the best way to make lava with baking powder and water

110. When lava goes into the water does it become acid?

111. How does lava form?

112. Why is lava red ?

113. How high does lava shoot out from the volcano

114. Since the lava still flows underneath the "skin" that forms on Pahoehoe can you walk on it

115. Does the lava flow for just a sertan amount of time or is it stoped in some way?

116. How hot can lava get?

117. What stops the lava continuly flowing

118. What is the cooling rate of lava

119. How are these formed and how rapidly ?

120. What is black lava?

121. How is lava measured?

122. How do you protect yourself from lava?

123. What type of gases are in lava?

124. Does lava or volcanic ash cause the most damage in a eruption?

125. What is the elemental composition of volcanic ash from various volcanoes?

126. Why do volcanologist risk the collection of lava samples during an eruption?

127. I remember a documentary that showed a volcano where the lava flowed out black and cooled to a white color. What volcano is it, and where is it? Am I crazy?

128. How does the lava move and bubble in the volcano?

129. Why did the volcanoe in Pompeii explode in ashes instead of lava?

130. What is the chemical/mineralogical composition of the 1997 Soufriere Hills lava, and how does it compare with the 1902 Mt.Pelee product?

131. My Kindergarten class has a few questions for you...
     1. Is lava hotter than fire? Is lava hotter than the sun?
     2. Is lava like the sun?
     3. Will the volcano go out if you put water over it?
     4. How does the lava "jump" out of the volcano?

132. Could you, in the easiest way, explain EXACTLY what pillow lava is?

133. When you take a lava sample with a hammer, how easily does the sample come off the hammer?

134. Is there any other place in the world besides Hawaii Volcanoes National Park where lava flows openly?

135. What different colors of lava have you seen?

136. which is the only volcanoe that emits black lave and in what country is it?

137. Is lava presently flowing out of Mauna Loa?

138. How hot is the lava at Kilauea?

139. What are the chemicals inside of lava?

140. Why dosn't lava melt through the side of a volcanoe?

141. What are the different types of lava?

142. Why does Mt. Heckla in Iceland contain uncommon minerals in its lavas? Please could you also sent any useful information on Heckla's lava?

143. How hot can lava be?

144. How acidic is Pahoehoe lava in Hawaii? (pH level)

145. Do you know of any software that models lava flows for a risk analysis?

146. Are the lava temperatures cited within the volcano or those of the lava flows? Is the temperature higher within the top of an active but not eruption volcano higher than the flows?

147. I am confused about the composition of magma. If the mantle has a higher density than the crust, how does the denser magma make its way to the surface through the lower density crust?

148. My 4th grader had a homework question tonight. What does 6 month old lava look like. I didn't have a clue and couldn't find anything about it on the internet.

149. Describe the different types of magma.

150. Why does columnar basalt form the way it does?

151. I found some small spherical objects on a mountain top in Utah that, my guess is, appear to be rapidly cooled magma drops that fell into an ancient ocean. Do they have a name?

152. I once saw an old TV program where a person was wearing a protective suit and had a geiger counter, so can lava be radioactive?

153. Does the viscosity of lava affect its flow rate?

154. What happens when a lava touches water?

155. Could you provide me with actual measurements of the temperature, pressure and viscosity of magma below the Earth's crust and at the exit of a volcano, such as Kilauea?

156. What is the hottest temperature ever recorded for lava?

157. What is the temperature of lava?

158. How does the lava get in the volcano?

159. How long does it take lava to turn into dirt.

160. How fast can lava travel?

161. Are there different types of lava?

162. What color is the hottest lava? Is it blue like on a flame?

163. How is the process of the cooling unit?

164. What is the difference, chemically and physically, between tholeiitic basalts and alkalic basalts? Can you recommend some reading to further inform me on these basalts?

165. Where is lava found?

166. How are the shapes of volcanoes controlled by the different viscosities of lava?

167. What is the hottest lava ever recorded?

168. What causes the iridescence in some pahoehoe lavas?

169. How close to the surface does magma have to be for there to be enough heat at the surface to ignite sticks and cook food?

170. Where does the pressure come from to force the lava in the volcano to come out?

171. Are there different types of lava?

172. Is there any known material that could contain lava?

173. How many colors does lava come in?

174. Can lava melt the volcano it is sliding down because it is so hot?

175. How fast do pyroclastic flows really go?

176. If you pushed your foot into lava, would you melt, get burnt, or die?

177. What is the difference between a pillow and a ropy lava?

178. How close can you get to Lava without getting burned?

179. What does lava smell like?

180. What is the rate of cooling of lava?

181. In how many different ways can lava be measured?

182. Is there a way to redirect a lava flows?

183. Does lava affect global warming?

184. Is there a difference in weight between molten lava and hardened lava?

185. Is there anything hotter than lava?

186. Is there anything that lava won't burn or melt?

187. Why is the lava so hot when it comes out of the volcano?

188. What is lava on the pH scale?

189. What gas does lava give off that has a foul smell?

190. How does lava create different types of rock?

191. How does lava turn into a lava tube?

192. Why is lava red and orange?

193. How are igneous rocks formed by the cooling of magma?

194. Does Lava Decompose after a certain amount of time?

195. If there is more than one type what is it's viscosity, and what might be the reason for the multiple types of lava?

196. How does lava form a lava tube?

197. Does lava become hard when it flows in the water?

198. Why is high silica and high viscosity lava dangerous?

199. What type of lava is usually associated with pyroclasts?

200. Do lava layers melt with new eruptions?

201. Why does lava turn into rock?

202. Can people walk on lava if lava is still smoldering but not on fire?

203. Why does lava turn black when it cools?

204. Can minerals be effectively mined from lava?

205. Why does lava harden?

206. How does lava change its composition?

207. Why isn't lava able to melt itself after it is cooled?

208. At what temperature does lava melt?

209. If lava kept on going and went for thousands of miles, would the lava still be really hot?

210. How far does lava shoot out of a volcano?

211. How long does it take for lava to solidify?

212. What is the density and heat capacity of lava?

213. What happens to lava when it erups under water?

214. How many days does it take before you can touch the lava?

215. How can magma be changed by processes such as fractional crystallisation and contamination?

216. What is the difference between obsidian and palagonite?

217. What happens when lava meets water

218. Could a vehicle go fast enough to outrun a lava flow?

219. What is the hottest lava?

220. Why do some lavas have a higher content of silica than others when they are basically made from the same materials?