Types of rocks that can form at or near the Earth's surface.
What is igneous and sedimentary?
100
In a certain amount of years ago, Earth formed.
What is 4.5 billion years ago?
100
Melted rock is the same as...
What is Molten rock?
100
If a rock fizzes with a drop of acid on it, it contains...
What is calcium carbonate or calcite?
100
The longest Era was...
What is the Precambrian time?
200
A type of rock that is formed from particles that pile up over time.
What is sedimentary?
200
This appeared last in the event cards.
What is Recorded written history?
200
Igneous, Metamorphic, and Sedimentary.
What are the three major types of rocks?
200
This forms when shells of marine organisms get compacted and cemented together.
What is Limestone?
200
Modern humans appeared... years ago.
What is 200,000 years ago?
300
These rocks can weather, erode, move and settle to form sediments.
What is igneous, metamorphic, and sedimentary?
300
The 27th major event between Dinosaurs extinction and modern horse.
What is grass?
300
Particles that settle when whatever is carrying them slows down.
What are sediments?
300
Limestone an example of...
What is Sedimentary?
300
Dinosaurs first appeared and became extinct from... million years ago to... millions of years ago.
What is 245 million years ago and 66 million years ago?
400
Marble is this kind of rock.
What is metamorphic?
400
The first kind of man to appear.
What is Neanderthal Man?
400
Particles that are similar to each other in size and particles that are different to each other in size.
What is the difference between well sorted sand and poorly sorted sand?
400
The color of a sedimentary rock depends on...
What is the kind of particles it is made of?
400
The first trilobites appeared in the... period.
What is the Cambrian Period.
500
A series of processes that causes rocks to change from one type to another.
What is the rock cycle?
500
The fifth major event appeared between Protozoa and trilobites.
What is Jellyfish?
500
This is when movement starts.
What is erosion?
500
The limewater represented ancient sea water. Blowing air into the limewater represented marine organisms blowing out CO2.The experiment showed that without CO2 blowing into the limewater, you don't get calcium carbonate or calcite. This is a...
What is the essay question?
500
Earliest, bacteria-like life appears, water appears on the Earth's surface, Earth is formed is in the... Era.