Bending a glow stick breaks an inner glass tube, causing the liquids to mix and start this light-producing process.
According to the text, this Oregon city is known by the flowery nickname "The City of Roses."
Answer: What is Portland?
Standing at almost 4,000 meters, this is the highest mountain in Taiwan and the subject of the narrator's hiking trips.
Answer: What is Jade Mountain?
Giraffes' tongues are a unique dark blue, purple, or black color to protect them from this celestial body.
Answer: What is the sun?
This abbreviation is used in invitations to ask guests to confirm their attendance.
Answer: What is RSVP?
According to the text, this substance is mixed in with the chemicals to determine the final color of the light.
Answer: What is a dye?
Famous for its bright pink walls and unusual treats like the Bacon Maple Bar, this is a must-visit snack spot in Portland.
Answer: What is Voodoo Doughnut?
On both trips, the narrator and their friends spent the night at this "lovely modern building" before their early morning hike to the peak.
The dark color of a giraffe's tongue acts as a natural form of this protective lotion.
Answer: What is sunscreen?
An invitation should always clearly provide these three essential pieces of information about the event.
Answer: What are the time, date, and location?
Answer: What are military use and emergency lighting?
Celebrated since 1907, this major June event in Portland features a Grand Floral Parade and dragon boat races on the Willamette River.
Answer: What is the Rose Festival?
The narrator's first trip to the Main Peak was ultimately disappointing because this weather condition completely blocked the "amazing views."
Answer: What is mist?
This is the special pigment that gives a giraffe's tongue its dark color, the same pigment that colors human skin and hair.
Answer: What is melanin?
The sample wedding invitation kindly requests that all guests wear this type of clothing.
Answer: What is formal attire?
This doctor is often credited with discovering the chemical process that makes glow sticks work.
Answer: Who is Dr. Edwin A. Chandross?
Stretching over an entire city block, this Portland landmark holds the title of the world's largest independent bookstore.
Answer: What is Powell’s City of Books?
On the second trip, the group hiked to the North Peak instead of the Main Peak, where they came across this facility and a kind man.
Answer: What is the Yushan weather station?
Giraffes need sun protection for their tongues because they spend up to this many hours a day eating leaves.
Answer: What is 20 hours?
In the sample invitation, Allie and Daniel's wedding ceremony is scheduled to take place at this specific venue.
Answer: What is Grand Orchid Hall?
To make a glow stick last longer than its typical 12 hours, you can place it in this location, although it will make the light dimmer.
Answer: What is the freezer?
For a more peaceful outdoor experience, visitors can find the Portland Japanese Garden located within this larger Portland park.
Answer: What is Washington Park?
Described as "the best cup I've ever had," the narrator received this warm and comforting beverage from a man at the top of the North Peak.
Answer: What is hot coffee?
While the front of a giraffe's tongue is dark blue, the back of the tongue is actually this color.
Answer: What is pink?
For the wedding on August 16, 2025, guests must provide their RSVP and dietary requirements by this specific deadline date.
Answer: What is July 17, 2025?