Layers of the Earth
What is the outermost solid layer of the Earth called?
The Crust
What are large pieces of Earth’s crust called?
Tectonic plates
What happens at a divergent boundary?
Plates move apart
What type of boundary often causes earthquakes?
Transform boundaries
What does “sustainability” mean?
Meeting current needs without harming future generations
What two layers make up the Earth’s core?
Inner core and outer core
Who first proposed the theory of continental drift?
Alfred Wegener
What happens at a convergent boundary?
Plates collide , or move towards each other
What type of boundary often forms volcanoes?
Convergent boundaries
What are the 3 Rs of sustainability?
Reduce, Reuse, Recycle
What is the thick, semi-solid layer beneath the crust called?
The Mantle
What was the name of the supercontinent that existed millions of years ago?
Pangaea
What happens at a transform boundary?
Plates slide past each other horizontally
Why do earthquakes often occur near plate boundaries?
Because plates build up stress and release energy when they shift
What is one example of renewable energy that reduces emissions?
Solar, wind, or hydro power
What is the main metal found in Earth’s core?
Iron (and nickel)
What evidence supports continental drift?
Matching fossils, rock types, and coastlines across continents
What landform is created when plates converge?
Mountains, volvanic activity
What can individuals do to reduce their carbon footprint?
Use less energy, recycle, use public transport, etc.
Why is the inner core solid while the outer core is liquid?
Because of higher pressure at the centre of the Earth
Why was Wegener’s theory not accepted at first?
He couldn’t explain how continents moved
What natural disasters are created when plates transform?
Earthquakes
What is the area around the Pacific known for frequent earthquakes and volcanoes called?
The Ring of Fire
What is one challenge for countries transitioning to renewable energy?
Cost, infrastructure, or dependence on fossil fuels