Lesson One
The Earth _____ is a group of parts that include air, water, land, and life.
system
Earth's core is mostly made up of iron and ______.
nickel
____ is the transfer of heat by movement of fluid.
Convection
The rock that makes up Earth are part of which sphere?
geosphere
Which team has won the most Super Bowls?
New England Patriots and Pittsburgh Steelers are tied
Through the processes like erosion and weather, ________ forces destroy landmasses.
destructive
Scientist think that movement in the liquid ____ core create Earth's magnetic field.
outer
When you heat up an object, the particles in the object move _____.
faster
The main source of energy that drives the Earth system is?
heat from the sun
Which artist has the most-watched Super Bowl Halftime Show to date?
Rihanna
The _____ includes gases like nitrogen and oxygen, as well as dust, rain, and cloud droplets.
atmosphere
The oceanic crust is most like _____ in composition overall.
basalt
A cool fluid is _____ dense than warm fluid.
more
The ____ is Earth's outer skin in solid rock.
crust
How many footballs on average are used during a Super Bowl game?
120
Heating flowing out of Earth as it is cool is one form of ________ that drives the Earth system.
energy
Pressure and temperature ____ as you move deeper below Earth's surface.
increase
When you touch hot sand, heat is transferred by ____ to your skin.
conduction
_____, convection, and conduction are the three types of heat transfer.
Radiation
Who was the first team to win back-to-back Super Bowls?
Green Bay Packers
A system returns data to itself about changes that occur through a process called _______.
feedback
To learn about Earth's interior, geologist study how ___ waves move through Earth.
seismic
The amount of mass in a given volume of a substance is known as _____.
density
How is energy transferred from the sun?
radiation
How much did a ticket to the very first Super Bowl cost?
$12