Interesting Math and Science Facts with Calculations
Engage in a series of intriguing mathematical and scientific calculations involving the weight of dust particles, time taken for light to travel to the Andromeda galaxy, the mass comparison between the sun and Earth, particle count in a room, and the total number of coins owned by people in the U.S.
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Presentation Transcript
The particle of dust has a mass of 7.53 x 10 -10 kilograms. Find the weight of 5 billion dust particles.
ANSWER: 3.765 kg The particle of dust has a mass of 7.53 x 10 -10 kilograms. Find the weight of 5 billion dust particles.
The distance from the sun to the Andromeda galaxy is 1.2 x 1019miles. Light travels at a speed of 5.88 x 1012miles per year (called a light-year). How long does it take light to travel from the sun to the Andromeda galaxy?
ANSWER: 2.04 x 106 The distance from the sun to the Andromeda galaxy is 1.2 x 1019miles. Light travels at a speed of 5.88 x 1012miles per year (called a light-year). How long does it take light to travel from the sun to the Andromeda galaxy?
The mass of the sun is 1.989 x 1030kilograms. The mass of the earth is 5.98 x 1024 kilograms. How many times bigger is the sun than the earth?
ANSWER: 3.3 x 105 The mass of the sun is 1.989 x 1030kilograms. The mass of the earth is 5.98 x 1024 kilograms. How many times bigger is the sun than the earth?
There are 3.4 x 109particles of dust per cubic meter. How many particles are there in a room that is 1200 cubic meters?
ANSWER: 4.08 x 1012 There are 3.4 x 109particles of dust per cubic meter. How many particles are there in a room that is 1200 cubic meters?
There are approximately 3.1 x 108people in the United States. If on average each person has 4.1 x 101coins lying around on dressers, in pockets, in cars, etc., how many total coins do all the people in the U.S. have?
ANSWERL 1.271 x 1010 There are approximately 3.1 x 108people in the United States. If on average each person has 4.1 x 101coins lying around on dressers, in pockets, in cars, etc., how many total coins do all the people in the U.S. have?
Last month, my friend bought a computer. If it can perform 4.66 x 108calculations per second, what is the performance of the computer in one minute?
ANSWER: 2.796 x 1010 Last month, my friend bought a computer. If it can perform 4.66 x 108calculations per second, what is the performance of the computer in one DAY?
If the speed of light is 3 x 108 meters/second, how many seconds does ittake light to reach the Earth, if the sun is 1.5 x 1011meters from Earth? Write the answer in scientific notation
ANSWER: 500 seconds If the speed of light is 3 x 108 meters/second, how many seconds does ittake light to reach the Earth, if the sun is 1.5 x 1011meters from Earth? Write the answer in scientific notation
The size of the Indian Ocean is 2.7 x 107 square miles. The Arctic Ocean is 1/5the size of the Indian Ocean. How big is the Arctic Ocean?
ANSWER: 5.4 x 106 The size of the Indian Ocean is 2.7 x 107 square miles. The Arctic Ocean is 1/5the size of the Indian Ocean. How big is the Arctic Ocean?
The length of a rectangle is 3.1 x 103ft. The area is 1.426 x 106square feet. What is the width? Give your answer in scientific notation.
4.6 x 102 The length of a rectangle is 3.1 x 103ft. The area is 1.426 x 106square feet. What is the width? Give your answer in scientific notation.
The population of the United States is 3.1 x 108and the population of the world is 7.2 x 109. How many times larger is the population of the world than the U.S.?
ANSWER: 23 times The population of the United States is 3.1 x 108and the population of the world is 7.2 x 109. How many times larger is the population of the world than the U.S.?
The half-life of uranium238 is years. The half- life of uranium-234 is years. How many times greater is the half-life of uranium-238 than that of uranium-234?
