Riddle:
What has a foot but no leg?
Answer: A ruler!

Riddle:
It's better to be safe than sorry. What is the contradictory proverb?
Answer: Nothing ventured, nothing gained.
Riddle:
What English word is spelled easily with just one eye?
Answer: The word 'EASILY'.

Riddle:
What is the thing that can be seen but not touched, spoken but not heard, and thought but not seen?
Answer: An idea.
Riddle:
What starts with an f and ends with a k but is needed in emergencies?
Answer: Firetruck!

Riddle:
The sun bakes them, the hand breaks them, the foot treads on them, and the mouth tastes them.
What are they?
Answer: Grapes.
Riddle:
What sneaks through doors and windows without knocking? What heats an unlit stove? What gives the cat a snug place to rest?
Answer: The sun!

Riddle:
When it's gone bad and flat I hate it but when it's fresh and fizzy I love to taste it.
What is it?
Answer: Soda.
Riddle:
What gets bigger the more you take away?
Answer: A hole.
Riddle:
What word contains 26 letters but only has three syllables?
Answer: The alphabet.
Riddle:
It is said among my people that some things are improved by death. Tell me, what stinks while living, but in death, smells good?
Answer: A Pig.
Riddle:
Old Mother Twitchett had but one eye, and a long tail which she let fly; and every time she went through a gap, a bit of her tail she left in a trap. What is she?
Answer: A needle and thread.
Riddle:
What falls but never breaks? What breaks but never falls?
Answer: Night and Day!
Riddle:
What did the mountain climber name his son?
Answer: Cliff.
Riddle:
What name besides Anna reads the same both ways?
Answer: Hannah.
Riddle:
What is a device that you always have access to, that do not require recharging, and can record all of the useful information you have learned?
Answer: Your brain!
Riddle:
What 7-letter word has all 5 vowels and a q in it?
Answer: Sequoia.
Riddle:
What do you call a fly without wings?
Answer: A walk. Another popular answer: A Zipper.
Riddle:
What starts with an e, ends with an e and has one letter in between?
Answer: Eye. Envelope does not count for this riddle. Three letter words like eye, do count)!
Riddle:
Everywhere it lurks, unsettling men and unnerving children. In a house it visits, in a cave it dwells. One light can put it to flight and make it retreat. Yet you can never escape it, for it is always there. What is it?
Answer: The shadows.