Volcanoes & Earthquakes
At what location does the first motion of an earthquake occur?
The Focus
What elements make up most of the sun’s mass?
Hydrogen & Helium
One harmful effect of temperature inversions is
Smog
The two most abundant gases in the atmosphere are oxygen and
Nitrogen
As deep ocean water becomes colder, it also becomes
Denser
What is the epicenter of an earthquake?
the point on Earth’s surface directly above the earthquake’s focus
Scientists break up the sun’s light into a spectrum using a device called a
Spectrograph
Two major factors used to identify climate are
Temperature and Precipitation
This phenomenon occurs in the ionosphere
Auroras
Two factors that affect the salinity of ocean water are
Density and Temperature
If the temperature of rock rises above the melting point of the minerals the rock is composed of
The rock will melt
What is a light-year?
the distance light travels in a year
The average weather conditions for an area over a long period of time is referred to as the area’s
Climate
Which of the following layers is the ozone layer located in?
Stratosphere
The layer in a body of water in which temperature drops with increased depth faster than it does in other layers is called the
Thermocline
A large depression formed by the collapse of a volcanic cone is called a
Caldera
Ptolemy thought that everything in space orbited the Earth. This model is called the ___________.
Geocentric Model
The pavement and buildings in cities affect the local climate by
Increasing the Temperature
Ozone in Earth’s atmosphere is important because it
Absorbs harmful radiation
If high tide is at 4:00 p.m. today, at about what time will high tide occur tomorrow?
4:50pm
Why do earthquakes usually occur at plate boundaries?
Rock in environments near tectonic plate boundaries experience great stress.
Starting at the center, which is the correct order of solar layers?
core, radiation zone, convection currents
What is a possible reason for why sea level is still rising?
Global Warming
The amount of water vapor in the atmosphere at a given location on Earth’s surface is the __________.
Humidity
Which of the following occurs when the gravity of the sun and moon work against each other to create a small daily tidal range?
Neap Tides