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Quiz about Life Without Eyes
Quiz about Life Without Eyes

Life Without Eyes Trivia Quiz


People talk about "seeing the world," but there are a lot of cool things that you don't need eyes to appreciate.

A multiple-choice quiz by CellarDoor. Estimated time: 3 mins.
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Author
CellarDoor
Time
3 mins
Type
Multiple Choice
Quiz #
359,844
Updated
Dec 03 21
# Qns
10
Difficulty
Very Easy
Avg Score
9 / 10
Plays
2416
Awards
Top 10% Quiz
Last 3 plays: Guest 173 (10/10), jackseleven (10/10), cms4613 (8/10).
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Question 1 of 10
1. You might think that you need eyes to read, but this isn't true! Many blind people use the Braille alphabet to read. What sense would you use to read a Braille letter? Hint


Question 2 of 10
2. Around the world, most people can talk to their friends without using their eyes. All you need are ears to hear and a mouth and throat to speak! To speak one of these languages, though, you DO need eyes to "listen." What is it? Hint


Question 3 of 10
3. Sometimes, danger is invisible: nobody can count just on their eyes to warn them. A natural gas leak is just such a danger. What sense would you use to detect such a leak? Hint


Question 4 of 10
4. Taste is a great way to appreciate the world, especially when it's time for dessert. You taste with little bumps on your tongue called "taste buds". Which of these is NOT a basic kind of taste that your taste buds can sense? Hint


Question 5 of 10
5. Cars and cell phones often know exactly where they are using GPS, but they don't use a normal sense for it. With GPS, a phone can figure out where it is by communicating with what kind of object? Hint


Question 6 of 10
6. If you like science fiction movies, you've probably seen plenty of exciting battle scenes with loud explosions. If you were in a spaceship, and a spaceship near you blew up, would you really be able to hear it?


Question 7 of 10
7. If you're at the grocery store, you can close your eyes and use your sense of touch to tell the difference between fruits. Which of these fruits should be fuzzy? Hint


Question 8 of 10
8. Sometimes, you can tell a lot about a person from the way they sound. Suppose you're listening to music, and you notice the singer has a very deep, low voice. What is probably true about the singer? Hint


Question 9 of 10
9. We often talk about detectives "spotting clues", but other senses can be useful too. Without moving an object or getting inside it, what sense can you often use to tell if it is hollow? Hint


Question 10 of 10
10. Humans are pretty good at a lot of things, but some of our senses are better than others. Let's compare a human's sense of smell to a dog's sense of smell. Which of these is true? Hint





Most Recent Scores
Jun 13 2024 : Guest 173: 10/10
Jun 10 2024 : jackseleven: 10/10
Jun 09 2024 : cms4613: 8/10
Jun 07 2024 : turaguy: 10/10
Jun 03 2024 : Guest 97: 10/10
May 30 2024 : jmac5cicada: 10/10
May 24 2024 : Guest 175: 9/10
May 23 2024 : Guest 172: 9/10
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Score Distribution

quiz
Quiz Answer Key and Fun Facts
1. You might think that you need eyes to read, but this isn't true! Many blind people use the Braille alphabet to read. What sense would you use to read a Braille letter?

Answer: Touch

The Braille system was developed by a man named Louis Braille in the 1820s. It is still used today by many people, although screen readers -- in which your computer reads out loud to you -- are more popular. The Braille alphabet represents every letter and number with a particular pattern of raised dots that you can feel with your fingertips.
2. Around the world, most people can talk to their friends without using their eyes. All you need are ears to hear and a mouth and throat to speak! To speak one of these languages, though, you DO need eyes to "listen." What is it?

Answer: American Sign Language

American Sign Language, or ASL, is commonly spoken by people who are deaf or hearing impaired. In this language, you communicate with your hands, and there are specific signs and gestures for words and letters. You need to be able to see the gestures to understand their meaning.

Hundreds of thousands of people speak ASL, all over North America.
3. Sometimes, danger is invisible: nobody can count just on their eyes to warn them. A natural gas leak is just such a danger. What sense would you use to detect such a leak?

Answer: Smell

Natural gas is often used in homes and other buildings for power, heat and cooking. But if there's a leak, and the gas starts to build up where it isn't supposed to be, you might get an explosion. Natural-gas explosions can destroy whole buildings, so it's very important to be able to detect a leak.

The gas is naturally invisible, but a bad smell is added to it before the gas is piped into homes and other buildings. If you smell rotten eggs inside, it might be a gas leak, and you should tell an adult and leave the building.
4. Taste is a great way to appreciate the world, especially when it's time for dessert. You taste with little bumps on your tongue called "taste buds". Which of these is NOT a basic kind of taste that your taste buds can sense?

Answer: Wetness

It doesn't take a taste bud to tell you whether something's wet or not -- that's something you can do with your sense of touch.

Most scientists agree that there are five basic kinds of taste: bitterness, saltiness, sourness, sweetness, and umami. (Umami is a savory kind of taste that turns up in soy sauce and cheese.) Just imagine: the whole complicated taste of your favorite food is just a combination of those five ingredients!
5. Cars and cell phones often know exactly where they are using GPS, but they don't use a normal sense for it. With GPS, a phone can figure out where it is by communicating with what kind of object?

Answer: Satellites

"GPS" stands for "Global Positioning System". It's a system of satellites that orbit the Earth. Every satellite has a clock on it, and constantly transmits its time and location to the surface of the planet. A GPS receiver, like the one in a phone, hears from several satellites and then calculates where it must be, based on how long it took to receive the message from each satellite. Phones these days are VERY good at geometry.
6. If you like science fiction movies, you've probably seen plenty of exciting battle scenes with loud explosions. If you were in a spaceship, and a spaceship near you blew up, would you really be able to hear it?

Answer: No

Sound waves need something to travel in, the same way that waves at the beach wouldn't exist without water. The thing the sound travels through -- the "medium" -- vibrates in tune with the sound wave, and these vibrations carry the sound. In everyday life, the medium is usually air, but it could also be water or even the bones of your face, if you're listening to your own voice.

In space, though, there's nothing for the sound to travel through, so there's nothing to hear.
7. If you're at the grocery store, you can close your eyes and use your sense of touch to tell the difference between fruits. Which of these fruits should be fuzzy?

Answer: Peach

The skin of a peach has fine hairs on it, though some peaches are fuzzier than others. A ripe apple is harder to the touch than a ripe peach, and it has a smooth skin. An orange peel is tougher than apple or peach skin, and is slightly bumpy or pitted to the touch. Cherries have smooth skin, but are much smaller than peaches, apples, or oranges.
8. Sometimes, you can tell a lot about a person from the way they sound. Suppose you're listening to music, and you notice the singer has a very deep, low voice. What is probably true about the singer?

Answer: The singer is probably a man.

The sound of a person's voice comes from vibrations in their vocal cords, which affect the way air flows through their throat. The vocal cords tend to thicken when a child grows up, changing the sound the cords make when they vibrate. Grown men usually have thicker vocal cords than grown women, so their voices are usually lower. Of course, there's a wide range, and some men have higher voices than some women.
9. We often talk about detectives "spotting clues", but other senses can be useful too. Without moving an object or getting inside it, what sense can you often use to tell if it is hollow?

Answer: Hearing

When you tap something, you can learn about it from the noise it makes. For example, try taking a spoon and tapping both a wall and your bed. You might not feel a difference, but you can tell by listening which one is softer and which one is harder. In the same way, you can often tell whether something is solid or hollow. Try tapping on an empty box, and then filling it with pencils and tapping again. Do you hear a difference?

I've always hoped to find a secret passage by tapping on walls, but I haven't yet.
10. Humans are pretty good at a lot of things, but some of our senses are better than others. Let's compare a human's sense of smell to a dog's sense of smell. Which of these is true?

Answer: Dogs smell better than humans can.

A human being can't beat a dog's sense of smell. You can get an idea just by comparing noses. Even a big human nose is small compared to the rest of the person's head -- but a dog's face is almost all nose! Not only do dogs have more nose than we do, but they also use more of their brains to figure out just what it is they're smelling.
Source: Author CellarDoor

This quiz was reviewed by FunTrivia editor NatalieW before going online.
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This quiz is part of series Commission #28:

The human body is the focal point for this twenty-eighth Commission from the Author's Lounge. Releasing in May 2013, this one challenged participants to write quizzes based on titles received containing body parts.

  1. Hannibal's Trunk Easier
  2. Any Spine? Average
  3. Hero with a 'Heart' Average
  4. The Blink of an Eye Very Easy
  5. I'm a Legend Average
  6. Humerus, Will You? Easier
  7. A Blind Eye Average
  8. Read My Lips Average
  9. Your Hands Are Tied Easier
  10. It's Behind You! Easier
  11. Cat's Eye Average
  12. Sing The Body Electric Average

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