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

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