Water is considered the "universal solvent" or the "solvent of life" because...

Groundwater makes up what percentage of all freshwater on Earth?

Which two processes of the water cycle are the most important in replenishing groundwater?

The zone of aeration is ____________.

The water table is ____________.

The zone of saturation is ____________.

Aquifers are caves where water is stored in a pocket of rock and soil.

How is a watershed affected by HIGH levels of precipitation?

The recharge zone of an aquifer often includes what type of rock?

Select the reason why rivers are NOT important.

Water molecules are _______ molecules.

The freezing point of water is ________.

The boiling point of water is _________.

Average salinity of the ocean is 35%.

What is the most common salt found in seawater?

Which of the following are the most abundant gases found in the ocean?

Which of the following is more dense?

What increases the salinity of water?

What decreases the salinity of water?

Which of the following has the most influence on Earth's tides?

When the sun, Earth, and moon are at right angles to each other, as during the 1st and 3rd quarter moon, it causes what type of tide?

When a wave passes through the ocean, individual water molecules move in a circular motion and forward/backward.

Which two factors most influence the size of a wave?

What is the most common cause of a tsunami?

A tsunami is made up of many waves that impact the shore over a few hours or minutes.

A combination of many liquids makes up Earth’s atmosphere.

The sun shines on and warms Earth’s surface directly in a method of energy transfer known as radiation.

The stratosphere is important because it contains nitrogen, which blocks harmful ultraviolet radiation from the Sun.

Both temperature and pressure generally decrease with height in the troposphere.

What is the constant movement of water between the atmosphere and Earth’s surface?

Current, short-term variations in the atmosphere are referred to as ____.

The Coriolis effect is due to the ____ of Earth.

Low-pressure systems are usually associated with ____ weather.

What is the main reason that Earth experiences 4 seasons throughout the year?

Tornadoes usually happen along ___  fronts.

A tropical storm becomes a hurricane when its wind speed reaches over  ___ mph.

A hurricane's storm surge accounts for ___% of all hurricane-related deaths.

Select all major Greenhouse Gases that are located in the troposphere.

During which seasons do tornadoes generally occur?

What is the Big Bang Theory?

As objects in space move further away from Earth, they appear more blue.

Select all of the following that are pieces of evidence for the Big Bang Theory.

Choose the LARGEST of these celestial objects.

What is at the center of our galaxy and every other galaxy (that we know of)?

What type of star is our Sun?

Approximately how old is the universe?

Approximately how old is our Sun?

Why do the planets have layers?

Pluto is a planet.

The moon is a natural satellite.

We always see the same side of the moon.

Approximately how long does it take Earth to revolve around the Sun?

About how long does it take the Moon to orbit Earth?

What type of eclipse occurs when the moon is between the sun and the Earth?

What type of eclipse occurs when the Earth is between the sun and the moon?

Which object in space emits light because it releases energy produced by nuclear fusion?

Compared to the terrestrial planets, the Jovian planets are

Which process generates the energy that is release by stars?

Which characteristic of the planets in our solar system increases as the distance from the Sun increases?

A refracting telescope uses what devices to focus light?

A King Tide refers to the "springing forth" of the tide at what 2 moon phases?

In sedimentary rock, which layer is the oldest?

The original mass of element Y was 340 g. Determine the total time that has passed if the final mass is 0.664 g and the element Y has half-life of 3 days.

The half-life of C-14 is 5,730 years. How long would it take for a sample of C-14 to become 25% of its original form?

Which two features are commonly found at divergent plate boundaries?

Which Earth layer is broken into tectonic plates?

Which Earth layer is inferred to be composed of solid nickel and iron?

Compared to the surrounding material, mantle plumes rise toward Earth’s surface from the core-mantle boundary during convection because they are...

Select all agents of physical weathering.

Select all agents of chemical weathering.

Select all of the agricultural uses of soil.

Select all of the nonagricultural uses of soil.

Gilbert, America is located in which two hemispheres?

Retreating glaciers are glaciers that move backwards, in the upstream direction.

What is the largest soil particle?