Fossils
The Atmosphere
Geologic Time
Random
100
What type of fossil is this?
Amber Fossil
100
What is the layer that touches Earth?
Troposphere
100
Which is longer, a period or an era?
Era
100
What is the tallest mountain on Earth?
Mount Everest
200
What type of fossil are footstep fossils? (trace or body)
Trace
200
What is the last layer of the atmosphere?
Exosphere
200
What era is known as the age of dinosaurs, the Mesozoic era or the Cenozoic era?
Mesozoic
200
What force holds our solar system together?
Gravity
300
Is radiometric dating a type of absolute or relative dating?
Absolute
300
In which layer do meteors (shooting stars) burn up?
Mesosphere
300
What is one theory why dinosaurs went extinct?
Meteor
300
A diamond is a 10 on Mohs' Scale, what does that mean?
It is very hard
400
What is the name of the 'law' that says older layers of rock are at the bottom?
Law of superposition.
400
Which layer contains the ozone layer?
The Stratosphere
400
Length of time it takes for half of the atoms of a radioactive element to decay.
half-life
400
Which type of rock is made from magma and lava?
Igneous