Plate Tectonics
The process that occurs at divergent plate boundaries, leading to the creation of new ocean floor
Seafloor spreading
What trick does Salva's uncle use to help him get through the Akobo desert?
He gives him small goals to reach to reach to ease the trip.
This event in 1803 began a policy of westward territorial expansion in the United States>
What is the Louisiana Purchase?
Long, narrow depressions on the seafloor
trench
What is the theoretical probability of rolling the number 2 on a fair six sided die?
What is 1/6?
the process where natural forces, like water, wind, ice, and gravity, gradually wear away and transport (carry away) soil and rock, changing the Earth's surface.
erosion
What do they find when they are walking through the desert?
nine men collapsed near death
The right of the US to stretch from the Atlantic to the Pacific Ocean is known as
Manifest Destiny
The oldest layer is on the bottom and the newest layer is on top
Superposition
What is the theoretical probability of rolling a number less than 6 on a fair six sided die?
What is 5/6?
When water, ice, acids, salts, plants, animals, and temperature changes break down or dissolve rocks and minerals
Weathering
What news do the visitors bring to Nya's village?
They want to find water between the 2 trees.
Three ways our country grew during the period of westward expansion are ......
What is through war, treaties, and purchase
When thermal energy is transferred via particle collisions
Conduction
Given a standard deck of cards, what is the theoretical probability of picking an ace of hearts?
What is 1/52?
What causes Earth's plates to move?
Convection currents in Earth's mantel
What does Salva's uncle plan to do once they reach the refugee camp in Ethiopia?
to return to the Sudan to fight
This president won the election of 1844 and Manifest Destiny was a big part of his campaign
James K. Polk
The rate an area is worn down over time
erosion rate
Given a standard deck of cards, what is the probability of drawing a card with the number 4 on it?
What is 4/52 or 1/13
What are the 3 ways that plates move
Convergent Boundaries: Where plates collide, one plate can slide beneath the other (subduction), or they can collide and crumple, forming mountains.
Transform Boundaries: Where plates slide past each other, causing earthquakes.
Why are most of the refugees at the camp mostly young men and boys?
Since many of them were forced to fight, their families sent the boys running into the bush at the first sign of fighting.
A negative effect of the westward expansion of the US is
What is Native American land is being taken away
Geologic structure that is formed by layers or beds or rock being bent or folded
fold
A die is tossed 20 times.
What is the theoretical probability of it landing on a 3?
If it lands on 3 a total of 5 times, what is the experimental probability of it landing on a 3?
What is 1/6?
What is 5/20 = 1/4 ?