The movement of water from the soil surface into the ground is known as this process.
What is infiltration (percolation)?
This type of cloud is most commonly associated with thunderstorms.
What is cumulonimbus?
This landform forms where a river deposits sediment as it enters a lake or ocean.
What is a delta?
This is the measure of how acidic or basic a solution is.
What is pH?
This major river starts in southeastern Arizona before briefly passing through Mexico, then running north through Tucson.
What is the Santa Cruz River?
What transport process causes solutes to move even when groundwater velocity is zero?
What is diffusion (dispersion)?
This type of front forms when a cold front overtakes a warm front.
What is an occluded front?
The Prime Meridian passes through this location.
What is Greenwich?
What is the half-life of Carbon-14?
What is 5730 years? [ +- 40 years (5690 - 5770 years)]
This artist was the first to win a Grammy for Album of the Year with a primarily Spanish-language album.
Who is Bad Bunny?
Which snow property tells us how much liquid water will be released when the snowpack completely melts?
What is Snow Water Equivalent (SWE)?
This law describes the wavelength of peak emission of an object based on its temperature.
What is Wien’s Law or Wien’s Displacement Law?
This location is furthest from any landmass, with the closest people located on the ISS.
What is Point Nemo?
This is a planar, hexagonal structure with alternating single and double carbon bonds.
What is a benzene ring?
The most-streamed song on Spotify in 2025.
What is “Die With A Smile” by Lady Gaga and Bruno Mars?
A hydrogeologist fixes the flux in a groundwater model. What boundary condition types are they using?
What is a Type II (Neumann) boundary condition?
This index measures the potential for buoyant convection and thunderstorms.
What is CAPE?
Continental drift was first proposed by this scientist in 1912.
Who is Alfred Wegener?
This oxygen isotope is found in higher concentrations in the ocean during glacial periods.
What is oxygen-18 (¹⁸O)?
This cult classic film originated the hyperspace effect later popularized by the Star Wars films.
What is Dark Star?
Which infiltration model assumes a sharp wetting front moving downward into the soil?
What is a Green-Ampt Model?
This thermodynamic variable describes a parcel of air if it were lifted until all moisture were condensed out, and then brought down dry adiabatically to 1000 mb.
What is Equivalent Potential Temperature?
This resolution describes the number and width of wavelength bands a sensor records.
What is Spectral Resolution?
The sum of all dissolved minerals and salts in water is called this.
What are total dissolved solids (TDS)?
This discipline of paleoclimatology got its start at the University of Arizona.
What is dendrochronology (or dendroclimatology)?