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Quiz about Fun with Science Experiments
Quiz about Fun with Science Experiments

Fun with Science Experiments Trivia Quiz


I have done and seen some interesting science experiments in my time as a student. I hope that, after you take this quiz, you will be as interested in them as I am!

A multiple-choice quiz by jedimaster538. Estimated time: 6 mins.
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Time
6 mins
Type
Multiple Choice
Quiz #
262,188
Updated
Jul 23 22
# Qns
10
Difficulty
Tough
Avg Score
6 / 10
Plays
1664
Awards
Top 35% Quiz
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Question 1 of 10
1. Let's start off in the world of chemistry. If you mix sugar water and concentrated sulfuric acid in a beaker, a long, cylindrical tube of carbon will begin to grow. Vapor is also released. Based on your knowledge of the formula for sugar, what is this vapor? Hint


Question 2 of 10
2. Another common and educational lab we did in chemistry is called a titration. If you gradually add an acid to a base (or vice versa), the solution will eventually reach an equivalence point. For titrations between a strong acid and a strong base, this solution will have a neutral pH of 7. If one of the reagents is weak, it will have a pH that is either slightly acidic of slightly basic. In order to tell where the equivalence point is, we use an acid-base indicator, which changes colors at certain pH levels. Which of the following is NOT an acid-base indicator? Hint


Question 3 of 10
3. The next experiment is one that you can do at home, although it may require you to sacrifice a meter stick to science. If you lay the meter stick flat on the table with a bit sticking off the edge and then strike the end with your fist, you would of course expect the meter stick to flip off the table. However, if you cover the meter stick with just a little bit of newspaper and repeat the process, it breaks in two! Why is this? Hint


Question 4 of 10
4. A very fun physics experiment that I once witnessed involves a certain object. This machine generates and harnesses static electricity, and allows you to have all sorts of fun with it! Touching the surface of the generator will cause your hair to stand on end, paper plates are attracted to it, and sparks will jump almost a foot away from it! What is the name of this fantastic machine? Hint


Question 5 of 10
5. A very fun experiment we did in Chemistry involved a balloon, tanks of hydrogen and oxygen, and a Bunsen burner. Filling the balloon with the proper ratio of gases and then exposing it to the heat causes an explosion and a chemical reaction. Why do we need to apply heat to the balloon? Hint


Question 6 of 10
6. On to biology, and the infamous dissection experiment. In my biology class, we had the opportunity to dissect a fetal pig. What chemical compound serves as the base ingredient for the fluid that keeps the fetal pig fresh so that I might dissect it? Hint


Question 7 of 10
7. This next tidbit is not so much an experiment as an observation. If you pour water into a graduated cylinder made of glass, the meniscus (top surface of the water) curves downward. However, if you pour that same water into a graduated cylinder made of plastic, the meniscus reverses itself and curves upward! This is due to what property of molecules? Hint


Question 8 of 10
8. Here's a neat little experiment you can do at home. Mix up an ice bath with ice and salt, and it will melt into ice water. Next, take a bottle of ordinary club soda and dunk it into the bath. Remarkably, the soda does not freeze. What happens when you shake up the bottle and remove the cap of the soda? Hint


Question 9 of 10
9. An area of chemistry and physics that interests me greatly is gas laws. One such law, Boyle's Law, can be demonstrated through an experiment that I once performed. The lab instructor provided us with a large, sealed syringe attached to a barometer, which measured the pressure. This apparatus was hooked up to a computer, which registered the pressure. When the volumes were typed in, the computer graphed the two values. What relationship should we expect between the pressure and the volume of a gas? Hint


Question 10 of 10
10. On our last day of the year, chemistry teacher let us light our hands on fire! She created soap bubbles filled with methane, which we scooped up and brought to a Bunsen burner. What safety precautions should be followed when attempting this? Hint



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Quiz Answer Key and Fun Facts
1. Let's start off in the world of chemistry. If you mix sugar water and concentrated sulfuric acid in a beaker, a long, cylindrical tube of carbon will begin to grow. Vapor is also released. Based on your knowledge of the formula for sugar, what is this vapor?

Answer: Water vapor (H20)

The formula for sucrose, or table sugar, is C12H22O11. The sulfuric acid reacts with the sugar and causes it to lose water into the atmosphere. The remaining carbon then solidifies and grows past the rim of the beaker.
2. Another common and educational lab we did in chemistry is called a titration. If you gradually add an acid to a base (or vice versa), the solution will eventually reach an equivalence point. For titrations between a strong acid and a strong base, this solution will have a neutral pH of 7. If one of the reagents is weak, it will have a pH that is either slightly acidic of slightly basic. In order to tell where the equivalence point is, we use an acid-base indicator, which changes colors at certain pH levels. Which of the following is NOT an acid-base indicator?

Answer: Methyl Green

All indicators change colors at specific pH levels. Phenolphthalein changes from clear to pink around the pH level 8.0. Bromothymol Blue changes from yellow to blue around pH level 6.0. Alizarine Yellow R changes from yellow to red around pH level 10.2.

There are indicators called Methyl Red, Methyl Orange, and Methyl Yellow, but there is no Methyl Green. Indicators are actually buffer solutions: mixtures of a weak acid and its conjugate base. When too much acid is converted to base, because of an increased concentration of hydroxide ions, the solution changes color.
3. The next experiment is one that you can do at home, although it may require you to sacrifice a meter stick to science. If you lay the meter stick flat on the table with a bit sticking off the edge and then strike the end with your fist, you would of course expect the meter stick to flip off the table. However, if you cover the meter stick with just a little bit of newspaper and repeat the process, it breaks in two! Why is this?

Answer: The air pressure acting on the newspaper is too great

If the newspaper is uniformly applied, they create a single surface with a great amount of surface area. A greater surface area means that more air pressure is acting on the object. The force of the air pressure is so great that it actually takes less force to break the meter stick than to lift the newspaper, light as it may be.

This causes it to snap. I tried this with a broken meter stick that my teacher had, and I can testify that it works. Try it sometime for yourself!
4. A very fun physics experiment that I once witnessed involves a certain object. This machine generates and harnesses static electricity, and allows you to have all sorts of fun with it! Touching the surface of the generator will cause your hair to stand on end, paper plates are attracted to it, and sparks will jump almost a foot away from it! What is the name of this fantastic machine?

Answer: Van de Graaff Generator

The Van de Graaff generator, named for its inventor, consists of a large metal sphere attached to a motor, a belt, and other components. It generates static electricity, which is distributed around the sphere. If you ever get a chance to play around with one of these machines, you should.

Some remarkable things might happen! A Tesla coil is a type of transformer, named for inventor Nikola Tesla. A voltaic pile was the first modern electric battery, named for inventor Alessandro Volta. A circuit breaker is an important safety device that will prevent a circuit from overloading.
5. A very fun experiment we did in Chemistry involved a balloon, tanks of hydrogen and oxygen, and a Bunsen burner. Filling the balloon with the proper ratio of gases and then exposing it to the heat causes an explosion and a chemical reaction. Why do we need to apply heat to the balloon?

Answer: It provides the activation energy for the reaction

The gas that is being produced is water, H2O. For any chemical reaction, a certain amount of energy must be provided to begin the process. This energy, called activation energy, is obtained by the gases when an increase in temperature increases their average kinetic energy. As a side note, this is a very fun lab, but I would not recommend it if you do not like loud noises!
6. On to biology, and the infamous dissection experiment. In my biology class, we had the opportunity to dissect a fetal pig. What chemical compound serves as the base ingredient for the fluid that keeps the fetal pig fresh so that I might dissect it?

Answer: Formaldehyde

Formaldehyde is a commonly-used agent in embalming. Strangely enough, it is also used in the production of toothpaste! Monosodium glutamate is better known as MSG, a common food additive. Ethanol is a common alcohol. Phenolphthalein is an acid-base indicator.
7. This next tidbit is not so much an experiment as an observation. If you pour water into a graduated cylinder made of glass, the meniscus (top surface of the water) curves downward. However, if you pour that same water into a graduated cylinder made of plastic, the meniscus reverses itself and curves upward! This is due to what property of molecules?

Answer: Polarity

Plastic is a nonpolar substance; water and glass are polar substances. When put into contact, like substances in this regard attract each other, while different substances repel each other. In other words, polar substances are attracted to polar substances but repelled from nonpolar substances.

In this case, water is attracted to the glass, so it spreads itself up the sides of the container, creating the effect of a downward meniscus. In plastic, however, water attracts to itself, creating the opposite effect.
8. Here's a neat little experiment you can do at home. Mix up an ice bath with ice and salt, and it will melt into ice water. Next, take a bottle of ordinary club soda and dunk it into the bath. Remarkably, the soda does not freeze. What happens when you shake up the bottle and remove the cap of the soda?

Answer: The soda will freeze

Club soda is nothing more than a mixture of water and carbon dioxide. When a substance is dissolved in water, as with the salt in the ice, it lowers its freezing point, allowing the mixture to remain liquid at a lower temperature. Such is the case with the club soda bottle.

However, when the bottle is shaken up, carbon dioxide rises to the top of the bottle. When the lid is removed, much of the carbon dioxide escapes into the atmosphere. What remains has a much lower concentration of carbon dioxide, and freezes at a higher temperature.
9. An area of chemistry and physics that interests me greatly is gas laws. One such law, Boyle's Law, can be demonstrated through an experiment that I once performed. The lab instructor provided us with a large, sealed syringe attached to a barometer, which measured the pressure. This apparatus was hooked up to a computer, which registered the pressure. When the volumes were typed in, the computer graphed the two values. What relationship should we expect between the pressure and the volume of a gas?

Answer: Inverse

Boyle's Law states that the pressure and volume of a gas are inversely related. It is usually stated as PV=k, where k is a constant. Pressure and temperature are directly related, as are volume and temperature.
10. On our last day of the year, chemistry teacher let us light our hands on fire! She created soap bubbles filled with methane, which we scooped up and brought to a Bunsen burner. What safety precautions should be followed when attempting this?

Answer: All of these

It is extremely important to have teacher supervision whenever you embark on a possibly dangerous experiment. You should never wear loose clothing in the lab, for it may catch on fire and burn you. Finally, for the purposes of this experiment, you must wet your arm to the elbow, or else you will burn the hair off your arm. This experiment is fun, but DO NOT try it at home or without the supervision of a professional.

I hope you enjoyed my quiz on science experiments! Hopefully it has taught you a thing or two, and maybe you will wish to try a few of these out yourself!
Source: Author jedimaster538

This quiz was reviewed by FunTrivia editor crisw before going online.
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