All About Land
Any of Earth’s main continuous areas of land, such as Africa, Asia, and North America
What is a Continent?
The outside or top layer of something
What is the surface?
Any of the many processes (such as eruptions and lava flows) in which gas, lava, and ash are pushed out in the surface of the Earth
What is Volcanic Activity?
Something we observe to be similar over and over again
What is a pattern?
An extinct reptile that lived about 300 million years ago
What is a Mesosaurus?
A feature that forms on the surface of a planet, such as a mountain, channel, or sand dune
What is a landform?
The layer of soft, solid rock underneath Earth’s plates
Hot liquid on the surface of the Earth?
What is Lava?
A set of interacting parts forming a complex whole
What is a system?
Evidence of life from the past, such as fossilized bones, footprints, or leaf prints
What is a fossil?
One of the very large sections of hard solid rock that make up Earth’s outer layer
What is a plate?
An underwater mountain range formed when two plates move apart
A natural spring that sends hot water and steam suddenly into the air from a hole in the ground
What is a geyser?
An object, diagram, or computer program that helps us understand something by making it simpler and easier to see
Moving apart in different directions
What is divergent?
The place where two plates meet
What is a plate boundary?
A long, deep indentation in the ocean floor formed when two plates more together
What is a Trench?
The sudden pushing out of something, such as lava from a volcano
What is an Eruption?
To examine in detail for a purpose
What is to analyze?
How often or fast something happens
What is rate?
The slow pulling apart of land that is caused by plate movement
What is rifting?
Earth’s most outermost layer of hard, solid rock that is underneath the soil, vegetation, and water
What is the Outer Layer?
Hot liquid rock below the surface of the Earth
What is magma?
A diagram that shows what the inside of something looks like
What is a cross section?
Moving toward the same place
What is convergent?