Preliminary Round 2-2025

This number has arguably the simplest divisibility test.

A number is divisible by this one if and only if it ends in the digit 0.

Answer explanation

0

Thirteen people surround one of these objects in a Salvador Dalí painting featuring a

translucent human torso and arms. Tintoretto oriented one of these objects diagonally in his

version of the same Biblical scene. Jesus, his apostles, and Judas sit behind one of these objects,

which is covered in plates and bread, in a painting by Leonardo da Vinci.

What pieces of furniture are typically included in depictions of the Last Supper?

Answer explanation

table

Points of minimal motion on "standing" types of these entities are called nodes. Two of these

entities may undergo constructive or destructive interference. Refraction causes these entities

to change direction when passing between media. These things are defined by their frequency,

amplitude, and namesake "length".

Name these oscillations which, in the ocean, will often "break" near the shore.

Answer explanation

waves

This river receives the Green River in Canyonlands National Park before flowing downstream

into Lake Powell. Low water levels in Lake Mead, which this river flows through, have raised

concern of a "dead pool" when this river will not be able to flow through Hoover Dam. This river

forms the border between California and Arizona.

The Grand Canyon was carved bywhat river named for a Rocky Mountain state?

Answer explanation

Colorado

A period of low observance of certain features on this body occurred during the Maunder

Minimum and they follow an 11-year cycle. The radiative zone causes mass ejections that occur

from the hottest layer of this body. The photosphere of this star forms dark areas in regions

where certain "spots" form. NASA proposed a HelioSwarm mission to this star using nine probes.

Name this closest star to Earth.

Answer explanation

Sun

Washington wintered at Valley Forge, 18 miles northwest of what major city?

Answer explanation

Philadelphia

 Of the eight states bordering Tennessee, which one extends farthest north?

Answer explanation

Missouri

What Animal in Spanish?

Ballena [“buy”-YAIN-ah]

Answer explanation

Whale

What specific product is most closely associated with the brand name?

Ghirardelli

Answer explanation

chocolate

Makemake (MAH-kay-MAH-kay) is the name of a dwarf planet.

Let's talkabout a more famous dwarf planet:

The most recognizable dwarf planet in the solar system is this body formerly known as the ninth

planet. It was reclassified from a planet to a dwarf planet in 2006.

Answer explanation

Pluto