Fossils
Mike Voorhees found this animal fossil while walking through a farm in Nebraska 50 years ago
volcano with thick lava
cone
name 2 types of wedging that cause weathering
root, ice
How does a volcano make rocks?
lava comes out of the volcano and cools and hardens
A fossil of a skull was found and the animal had flat teeth. What does this tell us?
It was a plant eater
shield volcano
natural process that breaks down rocks and minerals on the Earth's surface
weathering
process in which rocks can change from igneous to sedimentary to metamorphic and back to igneous again
How is a fossil created?
A living thing dies and is buried over time. Pressure from sediments covering it over time compact the land on top
large pattern of volcano locations on the earth
ring of fire
the process of weathering and gravity wearing and moving Earth's materials, changing the shape of the land
Which layer of rock in a canyon is the oldest?
bottom layer
How do fossils become uncovered?
rain, wind, land changes, weathering and erosion (any of these)
What is magma?
lava that is still inside the earth
Are most of the rocks at the top of a mountain the same size and shape as the rocks at the bottom of a mountain? Explain
No. The rocks at the bottom are smaller/smoother from breaking down as they fall down the mountain
Is Basalt an igneous, sedimentary, or metamorphic rock?
Igneous
What is the name of a scientist who studies fossils?
paleontologist
Name 4 volcanoes in Washington State
Mt. St. Helens, Baker, Glacier Peak, Rainier, Adams
Coastal waves, sand dunes, landslides, and rivers are all examples of what?
erosion
the tiniest particles of rocks
sediments