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100

What type of fossil indicates an aquatic environment once existed?

fish fossil

100

Rock layers can be disrupted when rock is worn away by_________.

erosion

100

Rocks layers have been  disrupted. But you can use _____________________ to tell when two disrupted layers are the same age. 

fossils

100

If there are four rock layers, the layer at the bottom is most likely the ________________.

oldest

100

All fossils in the rock layers on Earth are called the 

fossil record

200
Why could it be difficult to determine the relative age of rock layers?

erosion can wear away some or all of the rock layers

200

Which fossil discovery represents a change in the environment where the fossil was found?

fish in rocks on top of a mountain

200

How could relative age be demonstrated using a stack of newspapers?

by telling the placement of the papers from the youngest to oldest

200

What type of scientist studies fossils?

paleontologists

200

the remains or traces of an organism that lived long ago

fossil

300

the age of one thing compared to another

relative age

300

the process  of moving sediment from one place to another

erosion

300

an area of land that is very dry

desert

300

These cause lava, ash, and smoke to rise into the air.

volcanoes
300

the "ring" in the of earthquakes and volcanoes in the Pacific Ocean

RIng of Fire

400

Name a type of fossil

trace

mold

cast

400

What type of map shows patterns such as wind speed, temperature, etc...

weather map
400

what type of map shows constellations?

star map

400

what map tool shows directions 

compass rose

400

this map shows all kinds of rose

road map

500

maps represent earth's _________

features

500

what month is it

march

500

name the 5 oceans

7

500

name the 7 continents

africa