Earth Day
This planet is celebrated every year on April 22nd.
What is Earth?
This wise bird is often associated with the Greek goddess Athena.
What is the owl?
This classic warm-weather activity involves tossing a flying disc back and forth.
What is playing Frisbee?
What is the name of the AI assistant developed by Apple?
What is Siri?
These pink birds start out gray and turn pink from eating shrimp and algae.
What are flamingos?
Earth Day was first celebrated in this year.
What is 1970?
In many cultures, this black animal is seen as a sign of bad luck—especially if it crosses your path.
What is a black cat?
This outdoor cooking method becomes popular in summer and often includes burgers, hot dogs, and grilled veggies.
What is barbecuing (or grilling)?
This term describes the ability of a machine to learn from data without being explicitly programmed.
What is machine learning?
This amphibian can survive being frozen solid and thaw out alive in spring.
What is a frog?
Earth Day was founded by this U.S. senator from Wisconsin.
Who is Gaylord Nelson?
In Norse mythology, Odin is accompanied by two ravens named Huginn and Muninn, representing these two concepts.
What are thought and memory?
This low-impact activity involves walking through natural trails and is popular in spring due to blooming wildflowers.
What is hiking?
In 1997, IBM's Deep Blue made history by defeating this world chess champion.
Who is Garry Kasparov?
These colorful coverings were on some dinosaurs before birds even existed.
What are feathers?
This major international agreement on climate change was signed on Earth Day in 2016.
What is the Paris Agreement?
The phoenix, a mythical bird that rises from its own ashes, symbolizes this concept.
What is rebirth (or resurrection)?
This lawn game, where players toss bean bags into a hole on a raised platform, has become a staple at summer gatherings.
What is cornhole?
This neural network model architecture, introduced by Google in 2017, is the foundation for many modern large language models.
What is the transformer?
Some species of these organisms glow in the dark thanks to bioluminescence.
What are fungi (or mushrooms)?
Earth Day led to the creation of this U.S. government agency dedicated to environmental protection.
What is the Environmental Protection Agency (EPA)?
According to Chinese mythology, this legendary animal combines the features of a snake, fish, eagle, and tiger, and is a symbol of power and good fortune.
What is a dragon?
This traditional Scandinavian sport, played outdoors in the summer, involves knocking over wooden blocks by tossing wooden batons.
What is Kubb?
Named after a statistician, this test determines whether a machine’s behavior is indistinguishable from a human’s.
What is the Turing Test?
Despite their name, these glowing summer bugs are actually beetles, not flies.
What are fireflies?