Feeling Blue
This color appears between white clouds on a bright afternoon
Sky
Trail maps, backpacks, and scenic overlooks are all associated with this outdoor hobby done on foot
Hiking
This gelatinous ocean drifter has stinging tentacles and no true brain.
Jellyfish
The last car of a freight train, traditionally used by crew members for observation and work duties
Caboose
This system uses hydraulic pressure to slow or stop a vehicle when the pedal is pressed
Brakes
This deep dark blue shares its name with a branch of the military
Navy
Rare holographic finds and protective binder sleeves are common in this hobby centered around sports, gaming, or character cards
Trading Card Collecting
This flat-bodied sea creature glides along the ocean floor and has a barbed tail for defense
Stingray
A circular ride at a fair that usually has horses or seats that go up and down
Carousel
This fluid helps keep the engine from overheating by carrying heat away from the engine block
Coolant
This rich, vivid blue is traditionally associated with kings and queens
Royal
This relaxing pastime may involve rods, reels, bait, and early mornings by the water.
Fishing
This small beach-dwelling crustacean quickly burrows backward into wet sand as waves roll in
Sandcrab
A state of physical ease and relaxation, free from pain or stress
Comfort
This part reduces engine noise by directing exhaust gases through chambers and baffles
Muffler
This vivid shade of blue shares its name with a metal commonly used in rechargeable batteries
Cobalt
Hooks, yarn, and handmade blankets are commonly associated with this craft hobby
Crocheting
This spiny creature moves slowly across the ocean floor and is known for its radial symmetry.
Sea Urchin
A deep valley with steep sides, often carved by a river over time
Canyon
This device reduces harmful gases from the engine before they are released into the air
catalytic converter
This bright blue-green color is commonly associated with printer ink
Cyan
Using GPS coordinates to locate hidden containers around the world is the basis of this outdoor treasure-hunting hobby.
Geocaching
This fast-swimming tropical fish is popular in Hawaiian cuisine
Mahi Mahi
A small container or pill-shaped shell used to hold medicine or other substances
Capsule
This component ignites the air-fuel mixture in a gasoline engine to start combustion
Spark plugs