5 Written questions
5 Matching questions
- Mesozoic Era
- Alfred Wagner
- Subduction Boundary
- Paleozoic Era
- a The LEAST dense layer of the Earth. It is where life exists and is made up of continental and oceanic crust.
- b The scientist who proposed the theory of Continental Drift.
- c The era of the Geologic Time Scale when the dinosaurs both appeared and became extinct.
- d When two plates move towards each other, but the dense oceanic crust sinks under the continental crust. They cause volcanoes.
- e The era of the Geologic Time Scale when life first appeared in the oceans. It came after Precambrian Time.
5 Multiple choice questions
- When two plates move away from each other. They cause sea-floor spreading, such as the Mid Atlantic Ridge.
- the process by which rocks break apart without changing the chemical composition.
- The next dense layer of the Earth that surrounds the inner core. It's made of a liquid ball of iron.
- Long cylinders of ice used to study Earth's atmosphere. Trapped gases and dust inside the ice cores tell scientists when volcanoes erupted and how the climate used to be.
- The gradual change in a species over time.
5 True/False questions
Geologic Change → Changes in earth's land, such as mountains, volcanoes, and earthquakes.
Density → A science word for "heavy." More dense things sink, less dense things float.
Continental Drift Theory → A theory proposed by Alfred Wagner stating that the earth's continents were once joined in a mega continent called Pangaea and gradually drifted apart.
Adaptation → The gradual change in a species over time.
Mid Atlantic Ridge → An underwater mountain chain in the Atlantic Ocean caused by sea-floor spreading.