Earth Spheres
All the water on Earth makes up (is called)
What is the hydrosphere?
The driving force behind most erosion is ______________.
What is gravity?
_______ are small particles of rocks that form when rock breaks down.
What are sediments?
The kind of erosion that moves the
most rocks on Earth’s surface.
What is water erosion?
This separates the Jovian and the terrestrial planets.
What is the asteroid belt?
About __________ percent of Earth's surface is covered in water.
What is 75%?
The breaking down of rock at or near Earth's surface is called _________________.
What is weathering?
A flat piece of land formed by deposition at the mouth of a river is ______________________.
What is a delta?
A mountain would become smaller due to ____________________.
What is weathering and erosion?
These elements were made during the big bang and are what most stars are made of.
Hydrogen and Helium
All of the living things or organisms on Earth are ______________.
What is the biosphere?
These impacts on Earth can give us insight as to Earth's early formation.
What are asteroids?
Melted sedimentary, igneous, and metamorphic rocks.
What is magma or lava?
The geologic timescale is broken down by _____________.
The fossil record.
This is the element that is fused right before a massive star dies.
What is iron?
All of the solid, non-living parts of Earth are _____________.
What is the geosphere?
The moving of weathered rock is _______________.
What is erosion?
The process that creates igneous rock from lava or magma is _______________________.
What is cooling and hardening?
Earth's 4.6 billion year old history was revealed with this evidence.
What is the fossil record, rock strata, and geologic processes?
This determines the life cycle of a star.
What is it's mass?
The solid water on Earth ___________________.
What is the cryosphere?
_______ is when the wind/water/glacier drops the material they are eroding.
What is deposition?
The process that creates metamorphic rock from other rocks is ________________________.
What is extreme heat and pressure?
This created the oxygen in Earth's early atmosphere.
What is bacteria/stromatolites?
The forces that keep planets in an orbit ___________________.
What is gravity and inertia?