Dynamic Earth
The epicenter of an earthquake is the point on Earth’s surface that is directly above......
focus
What is the name of a series of natural processes by which rocks are slowly changed from one kind of rock to another?
rock cycle
What layer of the Earth does weather happen?
troposhere
What is the boundary formed between moving air masses is known as?
front
what is a series of steps scientists use to solve problems called?
scientific method
Wegener thought that all the continents were once together in one large continent. What was it called?
Pangea
What are all rocks made up of
minerals
Weather happens in the troposphere? Cumulonimbus clouds in the troposphere are usually associated with what kind of weather?
Thunderstorms
How is an air mass classified?
air temperature and humidity
How many independent variables should there be in a properly controlled experiment?
1
Similar fossils can be found on both sides of the ocean. What is this evidence of?
continental drift
The way a mineral reflects light is called its....
luster
Where is the ozone layer located?
stratosphere
Which weather event usually includes heavy precipitation, strong winds, and surface air temperatures below 0°C?
blizzard
An educated guess is needed in solving problems. What is an educated guess called?
hypothesis
Which layer of the Earth is liquid?
Outer core
The way that a mineral breaks is called...
cleavage
What does the ozone layer help to protect the Earth from?
UV radiation
What is the average weather condition in an area over a long period called?
climate
How many variables does a controlled experiment test?
1 at a time
Name the layers of the Earth in order from the outside to inside?
crust, mantle, outer core, inner core
Which of the following is NOT true about a mineral?
1) it is a solid
2) it has a crystalline structure
3) it is not a living thing
4) it is made in a laboratory
4) it is made in a laboratory
What are greenhouse gases like carbon dioxide are responsible for?
trapping heat from escaping Earth
Which of the following statements best describes weather changes?
1)Weather changes always occur suddenly
2)Weather changes occur only in the morning
3)Weather changes occur as new air masses move into a location
3)Weather changes occur as new air masses move into a location
What must the density of an object be in order to float on water?
less than 1.0 g/cm3