Show:
Elements/Dating Rocks
Plate Tectonics
Earthquakes
Earth-Sun-Planets
Stars and the Universe
100
The most abundant elements in Earth’s crust are _____.
A. aluminum and potassium B. oxides and carbonates C. halite and coal D. oxygen and silicon
100
Compared to ocean crust near deep-sea trenches, crust near ocean ridges is ____.
A. younger B. the same age C. older D.magnetically reversed
100
At what location does the first motion of an earthquake occur?
A. the focus B. the seismic gap C. the mantle D. the epicenter
100
Earth’s tilt in combination with its orbit around the sun cause the _______.
A. Coriolis effect B. seasons C. full moon D. tides
100
An orbit considered very eccentric would look like
A. a circle B. an oval
200
The nucleus of an atom is made up of ______.
A. electrons and neutrons B. protons and electrons C. protons, neutrons, and electrons D. protons and neutrons
200
The driving forces of tectonic plates are related to convection currents in Earth’s ____.
A. crust B. inner core C. mantle D. outer core
200
Why do earthquakes usually occur at plate boundaries?
A. The rock on the edges of tectonic plates is soft and gives in easily to various pressures. B. Rock in environments near tectonic plate boundaries experience great stress. C. The boundaries between tectonic plates have been seismically active for millions of years. D. Rock in environments near tectonic plate boundaries experience little stress.
200
A solar eclipse is most likely to occur when the
A. sun is located between the earth and moon B. earth and moon are at right angles to each other C. earth is located between the sun and the moon D. moon is located between the sun and the earth
200
The hottest stars in space are ______ in color.
A. yellow B. red C. blue D. white
300
The amount of time it takes for one-half of the original amount of an isotope to decay is known as its ____.
A. correlation B. period C. half-life D. radioactivity
300
Convection currents transfer thermal energy ____.
A. between continents B. from cooler regions to warmer regions C. from warmer regions to cooler regions D. as a result of buoyancy
300
This area is both a major earthquake zone and volcano zone
a. Pacific Ring of Volcanoes b. Pacific Ring of Fire c. Oceanic Ring of Fire d. Pacific Island Arc
300
The Jovian or gas giant planets atmospheres consist mostly of
A. oxygen and hydrogen B. hydrogen and helium C. iron and nickel D. carbon dioxide and helium
300
The Sun produces energy by forming _____ in its core.
A. carbon B hydrogen C. helium D. oxygen
400
Which of the following elements is normally used to date once living things?
A.Carbon-14 B. Uranium-238 C. Lead-206 D. Carbon-13
400
Which of the following features forms when two oceanic plates converge?
a. magnetic reversal patterns b. divergent boundaries c. subduction zones d. transform boundaries
400
Volcanoes do not form at what plate boundary?
A. Divergent B. Transform C. Convergent (Oceanic-Oceanic) D. Convergent (Oceanic-Continental)
400
Tides are caused mainly by
A. differences in how much the sun pulls on the different parts of Earth B. differences in how much the moon pulls on different parts of the Earth C. Earth's rotation on its axis, causing water to move D. strong winds blowing water onto coasts
400
In December, the South Pole is tilted farther toward the Sun than at any other time of the year, and the North Pole is tilted its farthest away from the Sun. What is the northern hemisphere experiencing at that time?
A. the winter solstice B. the summer solstice C. the vernal equinox D. the autumnal equinox
500
When part of the rock record is destroyed, the erosional gap that forms is a(n) ____.
A. inclusion B. unconformity C. key bed D. superposition
500
The Himalayan Mountains were formed in a collision at a
A. divergent boundary. B. convergent boundary. C. transform boundary. D. fracture zone.
500
How does the structure of Earth’s interior affect seismic waves?
A. It can increase the power of seismic waves exponentially. B. It can stop convection currents in the mantle. C. It can affect the speed and direction of seismic waves. D. It can change seismic waves into dangerous earthquakes.
500
Which of the following is NOT true about Keplers laws?
A. all planets orbit the sun in elliptical orbits B. as planets get farther away from the sun it takes longer for them to revolve around the sun C. an ellipse contains two foci D. as a planet reaches its aphelion to the sun it moves faster
500
Can condense and become concentrated enough to form a star and possibly planets
A. Kepler’s second law B. Law of universal gravitation C. Interstellar cloud D. Planetary nebula