Earth Our Home
What is the study of the earth and its structures called?
Geology
What percentage of the earth is covered in water?
More than 70%
Pumice, Obsidian, and Granite are all examples of what type of rock?
Igneous Rocks
The layer of the earth beneath the crust is called what?
Mantle
What kind of fuels are Coal, Oil, and Natural Gas?
Fossil Fuels
What is trembling or shaking in the earth's crust called?
Earthquake
Matter that settles to the bottom or sides of a body of water is called what?
Sediment
Type category of rock that seems to have been changed by heat AND pressure?
Metamorphic Rocks
The soil-horizon layers are humus, topsoil, subsoil and what's the last layer?
Bedrock
What happens to the temperature of the earth as you go deeper in toward the core?
Temperature Increases
What are Mountains, Plateaus, Valleys, and Canyons all considered?
Landforms
What is the loss of soil by water or wind called?
Erosion
What is the hardest mineral on earth?
Diamond
What happens to a rock when if breaks into rough pieces or crumbles?
It Fractures
Renewable Energy
What 2 geological events are believed to be caused by plate activity?
Volcanic Eruptions & Earthquakes
What is the process called when rocks are broken down by the forces of nature such as rain, wind, frost, ice, animals, or root systems?
Weathering
To test the hardness of rock, geologists use which kind of test?
Scratch Test
What happens when an animal is buried at the same time as sedimentary layers are forming?
It turns into Fossils
An Earthquakes energy comes from where? Which is where plates move inside the earths crust.
The Focus
What are the two kind of CRUSTS of the earth?
Continental and Oceanic Crusts
What 2 types of places do most the of the earths fresh water come from?
Polar Ice Caps & Glaciers
What are the 3 types of SEDIMENTARY rocks?
Sandstone, Limestone & Shale
What is the best type of topsoil called, that contains a mixture of sand, silt and clay?
Loam
What has never been found in the fossil record that would help support evolution?
Transitional Form