Describe what the Sand Dune will look like after the wind passes over it.
Question 5
5.
Question 6
6.
Question 7
7.
Question 8
8.
Natural disasters—such as volcanic eruptions, earthquakes, tsunamis, and floods—can change the land and affect humans. What steps can you take to be prepared when these disasters occur?
Question 9
9.
The Andes Mountains in South America contain dozens of fossils of marine animals. How might you have described the landscape of the Andes mountain area long ago? What type of environment was it long ago.
Question 10
10.
Question 11
11.
Question 12
12.
Question 13
13.
What are the main layers of Earth from outermost to innermost?
The breakdown of solid materials into very small particles by water, air, and natural events
Weathering
Gravity
Soil
Vegitation
The gradual wearing down by wind, water, air, and natural events
Weathering
Erosion
Soil
Vegitation
Mixture of sand, silt, clay, rock, and humus (plant and animal remains)
Weathering
Erosion
Soil
Vegitation
Most earthquakes tend to occur at which location?
The central regions of very large continents
Groups of islands farthest from any continents
The steep slopes of the very oldest mountains
The boundaries between continents and oceans
Tectonic Plates float on top of the ________
Mantle
Crust
Inner Core
Outer Core
Which of the following is useful for all types of natural disasters?
Having a safety plan
Building houses on stilts
Allowing water to flow through structures
Reinforcing buildings with concrete
The fossils of clams, which live at the seashore, were found in a rock layer directly below a rock layer that contained tree fossils. This evidence can be used to support the idea that -
fossils form more quickly at the seashore than other places.
clams and trees are always found in the same area.
the area where the fossils were found changed over time.
the layer containing the trees is older than the clam layer.