Khan Academy Plate Tectonics

The video explains Earth's movement, focusing on tectonic plates and their slow drift over time. It discusses the historical supercontinent Pangaea and evidence supporting continental drift. The video details different types of plate boundaries—convergent, divergent, and transform—and their interactions, including the formation of the Himalayas. It concludes with the causes of plate movement, emphasizing gravity's role.

What is the speed at which Earth revolves around the sun?

• 107,000 kilometers per hour

• 10,700 kilometers per hour

• 1,070 kilometers per hour

• 107 kilometers per hour

What is the typical speed of tectonic plate movement?

• A few millimeters per year

• A few centimeters per year

• Several kilometers per year

• Several meters per year

What is the name of the supercontinent that existed millions of years ago?

• Atlantis

• Gondwana

• Laurasia

• Pangaea

Which evidence supports the theory of plate tectonics?

• Similar climates across continents

• Matching coastlines of continents

• Identical languages spoken worldwide

• Uniform soil types globally

How do scientists know that continents were once connected?

• Through ancient maps

• By studying ocean currents

• By finding similar fossils on different continents

• By observing current weather patterns

What type of boundary is formed when two tectonic plates move apart?

• Static boundary

• Transform boundary

• Divergent boundary

• Convergent boundary

Which mountain range is formed by the collision of the Indian and Eurasian plates?

• Alps

• Himalayas

• Rockies

• Andes

What happens at a transform boundary?

• Plates remain stationary

• Plates move apart

• Plates collide

• Plates slide past each other

What is the primary force driving the movement of tectonic plates?

• Gravity

• Wind

• Magnetism

• Solar radiation

What is the asthenosphere?

• A section of the mantle below the lithosphere

• A layer of the atmosphere

• The outermost layer of Earth

• A type of tectonic plate