Rocks
This type of rock is found near volcanoes
igneous
Sandstone is a _________ rock.
sedimentary
What are the remains of organisms preserved in rocks?
fossils
Does physical weathering make rocks bigger or smaller?
Smaller
Contour lines are usually ________in color.
brown
This type of rock happens because of heat or pressure. It undergoes a change.
metamorphic
Rocks turn into ________ because of the process of ______________ which is the breaking down of rock into smaller pieces.
soil, weathering
What scientist studies fossils?
a paleontologist
When minerals in rocks change this is because of _________ ____________. Sometimes you see _______ on a rock because of this.
Chemical weathering, rust
Topographic maps are made up of many _______ lines.
contour
What is the moving away of weathered rock?
erosion
Basalt and granite are _____________ rocks.
igneous
An impression of the organism is called a ________fossil.
mold
Rubbing, grinding, and tumbling are all examples of ___________, an example of physical weathering. I am a three syllable word beginning with a and ending in sion.
abrasion
Topographic maps show changes in _________.
elevation
What is the settling of sediment?
Deposition
Marble and slate are ___________ rocks.
metamorphic
A _______ fossil forms when the remains of the organism are filled with minerals and turned into rock.
A cast fossil.
Rocks falling in __________, tumbling in flowing water, or rolling around in waves are examples of abrasion.
landslides
Wider contour lines show _________ slopes and narrow contour lines show _______ slopes.
gentle, steep
Canyons and valleys are created by weathering and __________.
erosion
_______________rocks contain fossils.
sedimentary
What is the name of a tree fossil?
petrified wood
What is the main difference between physical and chemical weathering?
Chemical weathering changes the rocks and not just breaks them down.
How do you know which ones is the index contour line, the line that shows if the elevation is going up or down?
It is the darkest, boldest contour line.