Earth's Water
What type of water makes up 98% of all earth's water?
Salt Water
True or False? Earth's core is made of melted iron?
False. It is made of solid Iron.
Why is dirt a dirty word?
A shaking of the ground, caused by movement of the crust, is a(n) .
Earthquake
What force do people feel when two plates jerk into a new position?
earthquake
Where on earth would you find the most useable fresh water?
Ground Water
Name one of the three types of plate boundaries.
Convergent, divergent, transform.
List 2 things that soil is made of.
Humus and sediment.
True or False? The most dangerous thing about an erupting volcano is always the flowing lava?
False. Ash plumes and falling debris are very dangerous too.
Which layer of Earth do plants and animals live on?
Crust
What type of water makes up the largest percentage of earth's fresh water?
Frozen (70%)
Name all 4 of earth's layers.
Inner core, outer core, mantle, crust.
What is the process of breaking big rocks into smaller rocks?
Weathering.
Steep-sided volcanoes composed of many layers of volcanic rocks, usually made from high-viscosity lava, ash and rock debris are called ________.
a)Cinder Cones
b)Composite Volcanoes
c)Shield Volcanoes
d)Lava Volcanoes
a) cinder cones
What is the process by which rocks and sediments move from one place to another?
Erosion
Name the 3 types of fresh water found on earth?
Frozen, Surface, and Ground Water
What is the name of the theory that earth's crust is made of several large plates that are constantly moving?
Plate tectonics?
What is the name for pieces of dead plants and animals often found in soil?
Humus
What hot, liquid rock spews out of an erupting volcano?
Lava
Erosion occurs when rocks are broken down by wind, ice, or moving water.
False
What is a pool of underground water called?
Aquifer
What landform(s) are formed at a subduction zone?
a) Volcanoes
b) Faults
c) Mountains
d) Mountains and Volcanoes
d) mountains and volcanes
List the following rocks in order of average size: sand, pebble, gravel, clay, silt.
pebble, gravel, sand, silt, clay.
or
clay, silt, sand, gravel, pebble.
How is a fault line different than a tectonic plate boundary?
Plate boundaries are where two of the large tectonic plates meet. Faults are smaller breaks in the plates caused by plate movement.
What is the difference between chemical weathering and physical weathering?
Chemical weathering changes the materials by chemical processes while physical weathering breaks rock into smaller pieces by gravity, ice, plant roots, or other forces.