WorksheetsEarth History
Total questions: 15
Worksheet time: 8mins
Which of the following is NOT an example of a good index fossil?
they are extinct
they are found in a wide geographic area
they are usually found in different layers of rock
they are easy to recognize
Which era is known as the age of the dinosaurs
cenozoic
mesozoic
precambrian
paleozoic
Which layer of the Earth is the thinnest and least dense?
crust
inner core
outer core
mantle
Which boundary creates mountains and volcanoes?
convergent
divergent
transform
plate tectonics
Which is not an example of sediment?
rocks
soil
dirt
glass
What is metamorphic rock made out of?
hardened lava or magma
sediment
crystals
wood
Which era is known as the age of mammals?
mesozoic
precambrian
cenozoic
paleozoic
Which type of rock forms from extreme heat and pressure?
intrusive igneous
sedimentary
igneous
metamorphic
What does the Law of Superposition state?
layers on the top are the oldest and layers on the bottom are the youngest if there is not a disturbance of layers
layers on the bottom are the oldest and layers on top are the youngest if there is not a disturbance of layers
layers in the middle are the youngest
layers in the middle are the oldest
What is absolute aging?
Knowing if a rock/fossil is older or younger than other rocks/fossils
Knowing the accurate age of a rock/fossil
Knowing what the rock/fossil is made out of
Knowing what the soil around the rock/fossil is made out of
Which type of fossil gives us insight as to where it was in history and which era it was in?
index fossil
mold fossil
cast fossil
petrified fossil
Which era is 4.6 billion years old?
paleozoic
cenozoic
precambrian
mesozoic
What is the inner and outer core made of ?
nickel and gold
gold and iron
iron and silver
nickel and iron
If I wanted to find the absolute age of a fossil, I could look at the _________________ decay of that fossil
accurate
relative
iron
radioactive
What are 2 disturbances that causes Earth's plates to shift and create uneven layers?
intrusions and hurricanes
floods and faults
floods and hurricanes
fauts and intrusions
