2024 Final Exam Review

Why would a worm stand a poor chance of being fossilized?

The Sun can continue to exist in its present stable state for about another _____________.

The name of our galaxy.

The time that it takes for 50% of the nuclei in a radioactive sample to decay to its stable isotope.

The process by which atomic nuclei spontaneously decay.

Hubble's Law states that galaxies are retreating at a speed that is proportional to their ____________.

States that the physical, chemical & biological laws that operate today have also operated in the geologic past.

Organisms with hard parts stand a good chance of being fossilized if they are _______________.

Permeable rock layers that transmit groundwater freely are called _________.

A light-year is approximately __________________.

Sunspots appear dark because the are ___________.

According to the Big Bang Theory, how old is the universe?

Gamma Rays, X-rays, visible light & radio waves are all types of ________.

The remains or traces of prehistoric life.

Which of the following supports the Big Bang Theory?

Any formation in which groundwater rises on its own under pressure is a(n) __________.

Rainwater containing carbon dioxide dissolves underground rock and forms ___________.

The source of the Sun's energy.

Radiometric dating is possible because the rates of decay of radioactive isotopes __________.

Most information about Earth's interior was obtained by studying ___________.

The footprints of a dinosaur are an example of what type of fossil?

The layer of the Sun that radiates most of the light.

What determines the type of fossil that is formed?

Stellar distances are usually expressed in what units?

Plants release water into the atmosphere through a process called ________________.

Using the Doppler effect, astronomers can determine a star's ___________.

Earth's thin, rocky outer layer.

In the equation, E=mc2, what does "c" represent?

Red shift of distant galaxies indicates that ____________.

Which of the following is associated with Karst topography?

The vertical drop of a stream channel over a certain distance is called ______________.

What is the minimum number of seismic stations that is needed to determine the location of an earthquake's epicenter?

Since light can exert pressure on matter, it suggests that it is made of particles called ______.

The dating process that places geologic events in proper sequence is referred to as ______________.

What is the effect of solar flares on Earth?

Petrified wood is an example of what type of fossil?

Generated by movements of the ocean floor.

Earth's core is made of an alloy of _________.

One astronomical unit (AU) averages about how far?

An earthquake's epicenter is _____________.

The product of nuclear fusion is ____________.

The unending circulation of Earth's water supply is called the _____________.

How old is Earth?

Which object is largest?

Law of superposition states that in an undeformed sequence of sedimentary rocks, each layer is ________________.

A travel-time graph can be used to find the _________________ of an earthquake.

Which of the following is important if an organism is to become a fossil?

The percentage of the total volume of rock or sediment that consists of pore spaces is called _______.