Daily questions science 6-7

Question 1

what are examples of the modern evidence for plate tectonics?

Answer 1

distrbution of earthquakes, volcanoes, sea floor spreading

Question 2

at what type of plate boundary do mountains form and why?

Answer 2

convergent, plates move, continetly, continet plate boundary

Question 3

why do volcanoes erupt?

Answer 3

gases expanding and bubbling out of solution, less pressure near the surface

Question 4

why are stratovolcanoes cone shaped?

Answer 4

high vicoisty, volcanic ash

Question 5

what was unusual about the may 18,1980 eruption of mt. st. helens?

Answer 5

land slide, earthquake, cheminny explotion, blew out the side

Question 6

how can volcanic eruptions influence climate?

Answer 6

volcanic ashes in atmosphere makes climate change makes colder and dryer

Question 7

What are seismic waves and what are the two major types?

Answer 7

the realase of energy caused by an earthquake, body and surface waves

Question 8

Earth quake damage is a function of what factors

Answer 8

duration and magnitude . also what is under the building.

Question 9

What is a tsunami and why are they so destructive?

Answer 9

large oceanic wave, generated by a earthquake (displacement )

Question 10

how do we know that the outer core is a liquid?

Answer 10

s waves can not go through liquids only solids.