Introduction
Chapter 2
Chapter 3
Chapter 4
last section
100
What did we use to look at very small objects (sugar) closely?
microscope
100
What is the orbit of an object around another?
revolution
100
What layer of the atmosphere do we live in?
troposphere
100
What are vibrations caused by a rupture and sudden movement of rocks along a crack in Earth's crust?
earthquake
100
leaving the sediment in a new place
deposition
200
What is an act of using one of more of your senses to gather information?
observation
200
What is the spin of an object around its axis?
rotation
200
What is the most abundant gas in Earth's atmosphere?
nitrogen
200
What are vents in Earth's crust through which molten rock flows?
volcanoes
200
What process breaks down rock into smaller pieces?
physical weathering
300
What is an educated guess?
inference or hypothesis
300
What causes the seasons?
the tilt of earth on its axis
300
Which of Earth's systems contains all of Earth's water?
hydrosphere
300
What is the mountain chain called where sea floor spreading takes place?
mid-ocean ridge
300
What process changes the makeup of rocks?
chemical weathering
400
What is the average of a group of numbers?
mean
400
What states that the universe began from one point and has been expanding and cooling ever since?
big bang theory
400
What are the 3 main layers of Earth's interior from the outside in?
crust, mantle, core
400
What is the theory that the plates are broken into rigid pieces that move in respect to each other.
plate tectonics
400
The movement of sediment from one place to another.
erosion
500
What is the investigation and exploration of natural events and of the new information that results from those investigations?
science
500
What causes the phases of the moon?
the moon orbiting around Earth
500
What is the process by which plants release water vapor through their leaves?
transpiration
500
Where does subduction take place?
deep ocean trench
500
How does rust form?
iron reacts with oxygen
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