5 Written Questions
5 Matching Questions
- Survival of the Fittest
- Paleozoic Era
- Ice Cores
- a 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.
- b Organisms that are the fittest will live the longest and produce the most offspring. Then they pass their favorable characteristics onto their offspring.
- c When rocks are broken down into smaller pieces through actions by wind, water, roots, and animals.
- d The mega continent
- e The era of the Geologic Time Scale when life first appeared in the oceans. It came after Precambrian Time.
5 Multiple Choice Questions
- The era of the Geologic Time Scale when the dinosaurs both appeared and became extinct.
- The gradual change in a species over time.
- When two plates slide past each other. They cause earthquakes.
- A science word for "heavy." More dense things sink, less dense things float.
- A law that states in an undisturbed rock layer, the oldest rocks are always on the bottom and the youngest rocks are always on top.
5 True/False Questions
Cenozoic Era → The current era of the Geologic Time Scale. It is when mammals and humans first appeared.
Absolute Dating → Determining the age of an object in relation to other objects ("Estimate").
Mantle → The thickest layer of the Earth. It is where convection currents happen.
Mid Atlantic Ridge → Changes in earth's land, such as mountains, volcanoes, and earthquakes.
Alfred Wagner → The scientist who proposed the theory of Continental Drift.