These variations in the level of the oceans have the most variation at the new moon
Tides
These large, rolling weapons of war were used for the first time in 1916's First Battle of the Somme
Tanks
Now a term for any astrological prediction, this term described the position of heavenly bodies in the night sky at any "hour"
Horoscope
Despite the state found in the name of this airline, its home offices are in Seattle
Alaska Airlines
The world's largest tropical rain forest, it covers parts of 6 countries, including Brazil & Peru
The Amazon Forest
Newton's second law of motion is expressed as F=ma, with "a" standing for this
Acceleration
This battleship on which the WWII Japanese surrender terms were signed saw combat during the Gulf War
U.S.S. Missouri
This flattened disk in the night sky is the visible portion of our galaxy
Milky Way
In January 2020 this Texas-based convenience store chain announced the opening of its 70,000th location
7-Eleven
The Grunewald Forest covers much of the southwestern part of this German capital
Berlin
Hg is the symbol for this element
Mercury
AAA can stand for this kind of artillery
Anti-aircraft artillery
Among the horse constellations in the sky are one with a horn, the unicorn & this one with wings
Pegasus
3 words become one in this .com, "the world's largest, free social fundraising platform"
GoFundMe
Trees in this state's Tongass National Forest include western hemlock, cedar, & sitka spruce
Alaska
While the smallest unit of an element is an atom, the smallest unit of a compound is this
Molecule
In 2015 about 30 people were injured when the feathers flew, causing West Point to ban an annual tradition, this fight by cadets
Pillow Fight
In a poem by Ann & Jane Taylor, it's "Like a diamond in the sky"
"Twinkle, Twinkle, Little Star"
This restaurant chain opened in London in 1971; Eric Clapton's guitar became the first piece of memorabilia in 1979
The Hard Rock Cafe
Birds & these creatures, which include flying foxes, are agents of pollination in tropical forests
Bats
A German zoologist coined the name of this branch of biology that studies the relationship between organisms & their environments
Ecology
In 1978 the U.S. military stopped using this, which can produce a 2,000-degree wall of fire
Flamethrower
Distant radio stations on this band are clearer at night because their signals bounce off the ionosphere
AM
With wings or not, this type of investor provides seed money from his own pocket in exchange for equity in the business
An Angel Investor
This topmost layer of vines, treetops & other plants preserves the forest's moisture & also provides a food supply for monkeys & smaller creatures, some of which never come down their whole lives
Canopy