What is an animal that can control its own body temperature?
What is a mammal?
100
Which era is known as the Age of the Reptiles?
Mesozoic Era
100
An animal that has scaly skin and lays eggs with tough, leathery skin is called?
Reptile
200
What is a gap in the geologic record?
Unconformity
200
Explain how oceans formed.
-Temperature on Earth was so hot that all water was water vapor
-As Earth cooled, water vapor turned to rain and rainwater began to accumulate into lakes, rivers and oceans.
200
The process where the energy from the sun is used to make food is called?
What is one waste product of this?
Photosynthesis
Oxygen
200
What did scientists call it when all of Earth's continents were once together and formed one huge super continent?
Spelling counts.
Pangaea
200
Give an example of a trace fossil.
Snakes trail from body.
Footprints from a deer.
300
Earth is thought to be this old.
4.6 Billion years old
300
This type of animal lives part of its life on land part of its life in water.
What is a amphibian?
300
What pulled the mass of dust, rock and ice into forming Earth?
What is gravity?
300
What is the Law of Superposition?
A law that states that the younger rocks are closer to the surface and the older rocks are towards the bottom.
300
As this cools and begins to take shape, extrusions and intrusions form.
What is magma or lava?
400
What happened to Earth's first atmosphere?
Gravity could not hold the light gases and the solar wind blew it away.
400
**Daily Double**
Explain radioactive decay.
Be specific and think about the M&M Dating Lab.
Radioactive atoms break down into stable atoms of other elements.
400
***Daily Double***
List AND explain the five types of fossils?
1. Molds and casts-hollow area in sediment
2. Petrified fossils-minerals replace all or part
3. Carbon films-thin coating of carbon
4. Trace fossils-show activities of organism
5. Preserved remains-trapped in tar, ice or amber.
400
What type of organisms evolved during the Cambrian Explosion?
What is organisms with hard parts, shells and outer skeletons?
400
The most complete dinosaur fossil in the world is housed in what city?
What is Chicago, IL?
500
What occurred that led to organisms being able to live on land? HINT: Think temperature.
The atmosphere developed an ozone layer that blocked the UV rays of the sun and now organisms can live on land.
500
The period where winged insects evolved into many forms was?
What is the Carboniferous Period?
500
Giraffes' necks getting longer to reach leaves on higher trees is an example of what?
What is evolution?
500
What are the two ways scientists date rocks? Explain both and how they are performed.
1. Absolute Age-the actual age of a rock.
--> Determined by Potassium-Argon Dating or Carbon-14 dating.
2. Relative Age-age compared to other of the same rock.
-->Determined by using index fossils to compare