Earth's Outer Layer
What is Earth’s outer layer made of?
What is HARD, SOLID ROCK?
What is the place where two plates meet?
What is A PLATE BOUNDARY?
What type of material is the mantle made of?
What is SOFT, SOLID ROCK?
Geologists study what kind of data to understand plate motion?
What is PATTERNS?
What is PATTERNS OF EARTHQUAKES, VOLCANOES, AND LANDFORMS?
What does the word “rate” mean in science?
What is HOW OFTEN OR HOW FAST SOMETHING HAPPENS?
What do we call the large sections that make up Earth’s outer layer?
What are PLATES?
What are the plates doing at a divergent boundary?
What is PLATES MOVE AWAY FROM EACH OTHER?
How do plates move in relation to the mantle?
What is THE PLATES MOVE ON TOP OF THE MANTLE?
How do fossils like Mesosaurus help scientists learn about plate motion?
What is IT SHOWS THAT THE PLATES WERE ONCE CONNECTED?
What is IT SHOWS THAT THE PLATES DIVERGED.
What formula is used to calculate the rate of plate movement?
What is RATE = DISTANCE ÷ TIME?
This is what we call the thicker part of a plate.
What is a CONTINENT?
What are the plates doing at a convergent boundary?
What is PLATES MOVE TOWARD EACH OTHER?
When a plate sinks into the mantle, what happens to it?
What is IT IS DESTROYED?
What is IT BECOMES PART OF THE MANTLE?
What do patterns of earthquakes and volcanoes reveal about Earth’s plates?
How fast do the South American and African plates move apart per year?
What is ABOUT 3cm PER YEAR?
What diagram do scientists use to show what the inside of something looks like?
What is a CROSS-SECTION?
What landform is created only at a convergent boundary?
What is a TRENCH?
What kind of geologic processes often happens at convergent and divergent boundaries?
What is VOLCANIC ACTIVITY AND EARTHQUAKES?
What do scientists use cross-section diagrams for?
Why can’t we feel the plates moving beneath us?
What is THEY MOVE TOO SLOWLY FOR US TO DETECT/FEEL IT?
What do we call the layer that sits below Earth’s plates?
What is the MANTLE?
What landform is created only at a divergent boundary under the ocean?
What is a MID-OCEAN RIDGE?
What comes becomes hard, solid rock at divergent boundaries?
What is MAGMA?
When scientists analyze data, what are they doing?
What is EXAMINE IN DETAIL FOR A PURPOSE?
What technology helps scientists measure how plates move today?
What is GLOBAL POSITIONING SYSTEM (GPS)?