Mr. Ode watched as Duffus got ready to launch his boat into the water. “It’s going to leak, Duffus,” remarked Ode.“No, it shouldn’t leak. I got in the boat, carefully patched all the holes with the patch kit recommended by the marina and then filled the boat with water to see if it would leak […]
Fred and Bob are racing cylindrical magnets down the tubes of various materials. All of the magnets weigh the same and have the same dimensions. All of the tubes are the same length and have an inner diameter just larger than the outer diameter of the magnets. There is negligible friction when the magnets travel
A cubic foot of dry air at standard pressure and temperature is weighed on a scale. Then a cubic foot of damp air at the same pressure and temperature is weighed. Which will weigh more? AnswerThe damp air weighs less because water molecules (molecular weight of 18) have replaced more massive molecules of air (nitrogen:
There was a millionaire who loved collecting gold. He bought ten solid gold shapes from a man, but the man proposed a bet. He said:“One of these shapes is fake. It is made from a metal that looks exactly like gold. The only difference is that it is 1 gram lighter per 10 sq cm.
Aliens have inflated two identical balloons, but one is inflated more than the other. You have the option of being inside the smaller balloon or the larger balloon. Once inside, your captors will join the two balloons by a short length of tubing. Then they will let the air flow freely between the balloons. Does
One hot afternoon, two friends were out relaxing on the back porch.“Would you like some iced tea?” one man asked his friend.“Oh yes! as long as it is good and cold.”The host then brought his friend a large glass of iced tea and dropped two small ice cubes in it.His friend took a sip and
Microscope Matt is an employee for a top-notch Science company.Today, he had signed up to use the big scanning electron microscope for the first time. He had received so much training and taken many classes to be privileged to use this machine. He had prepared a sample of an ant to be examined. Matt put
Cid was working near the acid vats one day when he noticed some aluminium on the floor that was quite corroded from some of the acid that had spilled on it. Cid then made his way to the top of the vat to inspect some equipment. The plant manager was conducting a tour and happened
You have a rubber balloon with a string attached to it, and a weight attached to the other end of the string. You put just the right amount of air in the balloon such that, if you submerge the balloon and weight under water to a depth of 30 feet, the balloon will not rise
After Duffus McClutski’s wife made him give up his used tea bag collection, Duffus decided to start collecting fridge magnets. Eventually, he had enough to cover the entire fridge, much to his wife’s dismay. After several failed attempts to get rid of them, she finally gave up until one day, their fridge broke down. They
Today is the 7th annual Swahili Science Fair. One of the most popular events of the SSF is the Baking Soda Volcano Competition. Every year the competition gets a huge turnout; this year isn’t much different. A whopping two people signed up to put their “skills” to the test; a 9-year-old girl named Sally, and
Ben, a Physics teacher and Lucy, an art teacher were arguing about what colour red mixed with blue makes. Ben said it made magenta but Lucy said it made purple. Who is correct? AnswerThey both are correct. The three primaries for colour are red, blue and yellow. The three primaries for light are red, blue
A girl was offered a drink of water with ice cubes at a party. She narrowed her eyes and said, “This is part alcohol.” How did she know? AnswerThe ice-cubes were floating in the middle of the drink. Since alcohol is less dense than ice cubes, it floats to the top and the ice cubes
Liz, Blondulla and Fred were talking to each another. Blondulla and Liz have been friends for many years, but they just met Fred a week ago and were trying to get in order to know him.They started talking about computers, and after Fred had repeated the word, “Chip” a few times while talking about computer
Adrenaline was coursing through his body. Our hero, Pete the Pilot, has so far survived a harrowing flight in his small, single-engine aeroplane, but he isn’t home yet. After a long flight fighting his way through unexpectedly wicked weather, his destination is finally in sight. “Almost there,” he assures himself as he looks at the