5 Written questions
5 Matching questions
- Precambrian Time
- Survival of the Fittest
- Alfred Wagner
- Index Fossil
- Subduction Boundary
- a Organisms that are the fittest will live the longest and produce the most offspring. Then they pass their favorable characteristics onto their offspring.
- b A fossil embedded in a rock layer. The age of the rock layer is the same age as the fossils embedded in it.
- c The scientist who proposed the theory of Continental Drift.
- d The section of the Geologic Time Scale that makes up 90% of Earth's History. No life existed at that time.
- e When two plates move towards each other, but the dense oceanic crust sinks under the continental crust. They cause volcanoes.
5 Multiple choice questions
- A gap in a rock layer. It reduces scientists understanding of Earth's history because it's a missing piece of information.
- The gradual change in a species over time.
- The process by which the chemical make-up of a rock changes.
- 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.
- The thickest layer of the Earth. It is where convection currents happen.
5 True/False questions
Geologic Time Scale → Changes in earth's land, such as mountains, volcanoes, and earthquakes.
Ice Cores → The DENSEST layer of the Earth that is made of a solid ball of iron.
Density → A science word for "heavy." More dense things sink, less dense things float.
Law of Superposition → The process by which individuals that are better adapted to the environment are more likely to survive and reproduce than other members of the same species.
Absolute Dating → Determining the actual age in years of an object ("Exact").