Earth's Shifting Pieces
Geologist study these
What are Earth, rocks, and fossils
This type of rock has the most fossils
What is a sedimentary rock?
Earthquakes will most likely take place at these
Plate boundaries
Volcanoes most likely occur...
At plate boundaries
Erosion is the __________ of sediment
Movement
Shifting pieces in the crust
What are plates?
Mountains form when...
Plates push against each other
Device that measure the strength and size of an earthquake
Seismograph
Tiltmeters sense when...
The surface of a volcano is tilting which could indicate that the chamber is swelling with magma and could erupt soon
Weathering occurs when rocks...
Break into smaller pieces
Earth's layer made of iron and nickel
What is the core?
Igneous rocks are usually found near...
Volcanoes
Something communities build to help them prepare for a tsunami
What is a seawall?
Which one can be found underneath Earth's crust?
Magma or lava
Magma
Name a cause of erosion
Living organisms burrowing, climbing, or herding
Flowing water
Humans
Different ways fossils show Earth's change
How animals lived in different continents, therefore the continents must have split apart (Alfred Wegener's theory)
Sandstone is this type of rock
Sedimentary rock
People can help stop landslides by...
Planting more vegetation with deep roots
The Hawaiian Islands formed because the plates moved over a...
Hot spot
Deposition is when...
Sediment, soil, and rocks are added to a landform
Alfred Wegener's theory
What is continental drift?
Name the 3 types of rocks and how they are formed
Igneous - cooling and hardening of magma or lava
Sedimentary - sediment compacted together
Metamorphic - from intense heat and pressure
Displacement of water means...
Name 3 types of volcanoes
Active - It can erupt at any time
Dormant - It hasn't erupted in a while, but it could
Extinct - There is a very low chance that it will erupt
Acidic water in limestone can cause...
Sinkholes