Earth's Systems
The water of Earth makes up what system?
What is the Hydrosphere?
Earth's separate layers are formed due to materials differences in what quality?
What is density?
What star was formed before all planets?
What is the Sun?
What percentage of Earth is covered in salt water?
What is 70%?
What is the formula for density?
What is Density = Mass / Volume?
Which of Earth's systems consist of plants, animals, and other micro-organisms such as bacteria?
What is the Biosphere?
What layer of Earth's interior is the most dense?
What is the inner core?
What force led to the formation of Earth?
What is continental crust?
What is the outcome of Earth's quickly rotating inner core?
What is the magnetic field?
The layer of gases surrounding the Earth make up what system?
What is the Atmosphere?
What layer of Earth's mantle is so hot that it is plastic?
What is the Asthenosphere?
What gaseous dust-cloud began the formation of our solar system?
What is the solar nebula?
Earth is not a perfect sphere, as it bulges at the _________________________.
What is the equator?
What was the name of the landform from which the Grand Canyon was created?
What is the Colorado Plateau?
A mushroom living on an oak tree is an example of what system of Earth?
What is the Biosphere?
The Earth's crust and rigid mantle come together to form what layer?
What is the Lithosphere?
What is Earth?
What aspect of landforms measures the difference between a landforms highest point and lowest point?
What is relief?
Rocks that are hot enough to melt and flow are called ___________________ by scientists.
What is plastic?
All of Earth's systems _______________ with one another.
What is interact?
What is happening to the Earth's inner core as the Earth rotates?
Approximately how long ago was our solar system formed?
What is 4.6 billion years ago?
Elevation is measured in relation to what standard measurement?
What is sea level?
What is sediment?