Earthquakes/Tsunamis
This seismic wave travels the fastest.
Answer: What is a P-wave?
Molten rock beneath Earth's surface.
Answer: What is magma?
These lines measure distance north and south of the Equator.
Answer: What are lines of latitude?
Earth's axis is tilted by this many degrees.
Answer: What is 23.5°?
This test measures the color of a mineral's powder.
Answer: What is the streak test?
This is the point inside Earth where an earthquake begins.
Answer: What is the focus?
Molten rock on Earth's surface.
Answer: What is lava?
This line is 0° longitude.
Answer: What is the Prime Meridian?
The Moon formed according to this theory.
Answer: What is the Giant Impact Hypothesis?
This scale measures mineral hardness.
Answer: What is the Mohs Hardness Scale?
Scientists need this minimum number of seismic stations to locate an earthquake.
Answer: What is three?
This region contains most of Earth's active volcanoes.
Answer: What is the Ring of Fire?
These lines connect points of equal value.
Answer: What are isolines?
The Moon rotates and revolves in the same amount of time, causing this effect.
Answer: What is always showing the same side to Earth?
The two most abundant elements in Earth's crust.
Answer: What are oxygen and silicon?
This type of wave cannot travel through liquids.
Answer: What is an S-wave?
Earth's actual shape is called this.
Answer: What is an oblate spheroid?
Contour lines that are close together indicate this type of slope.
Answer: What is a steep slope?
The primary reason Earth experiences seasons.
Answer: What is Earth's axial tilt?
Large crystals indicate this cooling history.
Answer: What is slow cooling?
As a tsunami approaches shore, its speed _____ while its height _____.
Answer: What is decreases and increases?
Objects weigh slightly more here because they are closer to Earth's center.
Answer: What are the poles?
The altitude of Polaris is equal to this coordinate.
Answer: What is latitude?
The Moon takes approximately this long to complete one full cycle of phases.
Answer: What is 29.5 days?
Metamorphic rocks form from heat and pressure without this occurring.
Answer: What is melting?