Daily Science Trivia Answer Keys

Scientists & Inventions
1. B. Zoologist
2. C. Volcanoes
3. C. Entomologist
4. A. Germany
5. A. Oceanographer
6. C. Dinosaurs
7. B. Mountain Gorillas
8. C. Reptiles
9. C. Moths and butterflies
10. A. Physicist
11. B. Astronomy
12. A. Geologist
13. C. Seismology
14. B. Printing press
15. B. 1946 It was called ENIAC and weighed 30 tons.
16. C. Crayola Crayons
17. B. W. H. Carrier
18. A. Telephone
19. B. Sir Alexander Fleming
20. C. Telegraph

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Insects
1. C. 1,000,000 - Over 90,000 species have been found in North America.
2. D. Monarch butterfly
3. A. Coleoptera (beetles) This order has about 330,000 species!
4. B. 4 oz - Four ounces is equal to one stick of butter. The Goliath beetle is larger than your hand!
5. B. 90 mph
6. C. 200 times their body length - If humans could jump like a flea, we could jump about 1000 feet in the air!
7. C. 43 times its body weight - If humans had this strength, the average adult could pull about 6500 pounds!
8. D. 4000
9. B. Blister beetles
10. A. 18 inches - This is a little wider than 2 pieces of paper.
11. C. 4 to 1
12. A. Millions
13. C. 24 inches.
14. B. cockroach.
15. C. 80 times their length.
16. A. mosquito
17. C. 1,000 times a second.
18. B. 30,000
19. A. Boll weevil
20. A. 20
21. A. 1 million
22. A. 14
23. C. Dragonfly
24. D. Monarch butterfly
25. B 11
26. C. 86,000
27. B. 1,200,000
28. A. 330
29. B. one-hundredth
30. C. 36
31. B. Scarab beetle
32. D. Firefly
33. C. 2,000
34. A. 10%
35. B. 100
36. B. twice
37. A. heads

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Dinosaurs
1. A scientist who studies fossils is called a paleontologist (answer C).
2. The earliest vertebrates were fish (answer B).
3. The oldest fossils on Earth are 3.5 billion years old (answer C).
4. The best rock for finding fossils is sedimentary rock (answer B).
5. The term “dinosaurs” means “terrible lizards” (answer A). Dinosaurs ruled the land for about 150 million years during the Mesozoic Era.
6. Dinosaurs ruled the land during the Mesozoic Era (answer B).
7. Lizard-hipped dinosaurs belong to a category called saurischians (answer A).
8. The Tulley Monster (answer A) is the state fossil for Illinois.
9. The T-Rex ate about 7 tons (answer C) of meat each week. This would equal 12 cows!
10. The name for T-Rex means terrible lizard king (answer c).
11. Dinosaurs became extinct towards the end of the Cretaceous period (answer a).
12. This dinosaur won the record for having 1,000 teeth (answer b).
13. True- Dinosaurs used different sounds to communicate with other dinosaurs.
14. Dinosaurs are believed to have hearts with 4 chambers (answer c).
15. Sue was discovered in 1990 in South Dakota (answer a).
16. The largest dinosaur was the giganotosaurus (answer b). It was 40 feet long and weighed 9 tons. It’s skull was 6 feet long!
17. The triceratops had 3 horns (answer b).
18. The Latin word “fodere” means “to dig up”(answer c).

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Weather
1. A return streak of lightning can reach temperatures of (answer C) 70,000 oF.
2. The lowest temperature is usually observed at sunrise - answer C.
3. Wind speed reached 231 mph (answer C) atop Mount Washington, NH on April 12, 1934.
4. Most tornadoes occur between (answer A) noon and midnight.
5. It weighed (answer A) 2 pounds. It was found in Coffeyville, KS on September 3, 1970.
6. The storm is approximately (answer A) 2 miles away. (Divide the number of seconds by 5!)
7. The hottest temperature was recorded at (answer C) Death Valley, California on July 10, 1913.
8. Yakutat, Alaska (answer A) wins this one with an average of 135 inches per year!
9. The most precipitation ever recorded for a year was (answer B) 55 inches. This record was set in 1990!
10. We average (answer A) 27 tornadoes per year in Illinois!
11. The coldest temperature on record was of (answer B) -127oF - which occurred on August 24, 1960!
12. During the snowiest winter, Peoria received (answer A) 52 inches of snow!
13. Nimbus (answer B) means rain when added to a cloud’s name.
14. Peoria averages a white Christmas every three years (answer C.)
15. Lightning (answer A) is called “a thunderstorm’s worst killer”.
16. One inch of precipitation equals (answer C) 10 inches of snow at a temperature of 30oF.
Thanks to a visitor for the following information she received from the National Weather Service Forecast Office: "The amount of snow that falls is highly dependent upon temperature. For example, at 10 degrees F, one inch of precipitation will produce 30 inches of snow. At 20 degrees F, one inch of precipitation will produce 20 inches of snow. At 30 degrees F, one inch of precipitation produces 10 inches of snow. At freezing, one inch precipitation will produce approximately 6 inches of snow. "
17. The air pressure decreases as altitude increases; therefore, the air pressure at the top of Mount McKinley would be LOWER than it is in Havana, IL.
18. An anemometer (answer B) is used to measure wind speed.
19. NWS stands for National Weather Service (answer C).
20. You would be traveling North (answer C) to be increasing latitude.
21. Isobars area collection of points of equal air pressure (answer C). “Iso” means equal, while “bars” refers to barometric pressure (or air pressure).
22. It would be (answer B) summer in Australia since it is located in the Southern Hemisphere.
23. Another term for spring is (answer A) vernal equinox, which occurs on March 20 or 21.
24. Black does not belong (answer C). All the others are colors in a rainbow. (The colors in a rainbow are red, orange, yellow, green, blue, indigo, and violet.)
25. 100 degrees Celsius (answer B) would be hotter than 100 o Fahrenheit.
26. Fluffy or lumpy clouds are called (answer C) cumulus clouds.
27. The windiest spot on Earth would be Antarctica (answer A). Winds reach up to 200 miles per hour at Commonwealth Bay.
28. We live in the Temperate zone (answer C).
29. C. 5:30 pm - Most tornadoes occur between 5 and 6 pm; the fewest occur between 5 and 6 am.

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Bats
1. A little brown bat can eat up to 1200 insects in one night (answer C).
2. The only one that is true is answer C. Fossil records have shown evidence of bats as far back as 50 million years.
3. The flying foxes of Asia have a wingspan of six feet (answer B) - about the length of a surfboard.
4. Free-tailed bats can fly 10,000 feet above the ground and reach speeds of 60 miles per hour (answer B).
5. A bat’s wing has 5 fingers (answer C).

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Health
1. About 23 years - or one-third!.
2. Cornea - transparent covering of the eye though which light is admitted.
3. 30 feet - or 5 to 6 times the person’s height.
4. A baby - as children grow, some of their bones fuse together.
5. Tim in the U.S. - kids grow faster in spring than in fall. May is a spring month in the U.S. and a fall month in Australia.
6. Kidneys - these organs clean the blood and make urine to carry waste products out of your body.
7. Smelly feet - it is the scientific name for foot odor.
8. 2 million - sweat glands are all over your body.
9. True! (It’s tough to kiss the very tip! I’ve only had one girl who came close!)
10. 200
11. Heartbeats - about 3 billion vs. about 600 million breaths in 74 years.
12. False - it just looks that way because the drying skin pulls away from the nails.
13. Under your nose - it is the vertical crease between your nose and upper lip.
14. More - it holds 16 fl. oz vs. 8.45 ounces in an average juice box.
15. 1.5 hours
16. True - the nerves in the brain stem cross over as they enter your brain.
17. Your brain - it’s about 80% water vs. 78% for blood and 50% for bones.
18. Spiders - they were mashed up and placed on an aching tooth.
19. A hair on your head - eyelashes don’t last past 150 days.
20. Your aunt - women have a keener sense of smell than men.
21. 100 tons
22. Snoring - the uvula is a flap of tissue at the back of your mouth.
23. A basketball - you shed up to 1.5 pounds, or 24 ounces of skin each year; a basketball weighs 20 to 22 ounces.
24. You are - children do more sleepwalking than anyone else.
25, 100 mph - a hurricane force.
26. World’s longest hiccup attack - it lasted 69.5 years, while the sneezing attack last 978 days.
27. The earth - the human body contains 60,000 miles of blood vessels. The earth’s circumference is less than 25,000 miles.

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Chemistry
1. The process of a liquid changing into a gas is called vaporization (answer B), which includes evaporation and boiling.
2. Nickel would have 28 electrons in each atom (answer C).
3. Electrons (answer C) is not found in the nucleus of an atom. It is found in energy levels that surround the nucleus.
4. There would be 2 atoms of oxygen (answer B) and one atom of carbon in each molecule of carbon dioxide.
5. Density is calculated by the formula mass divided by volume (answer C).
6. The amount of matter in an object is called mass (answer B).
7. A neutron is neutral (answer C).
8. Volume (answer B) is the amount of space an object takes up.
9. Gold is an element (answer A) that is found on the Periodic Table of the Elements.
10. Dry ice the solid state of carbon dioxide (answer A).
11. The atoms are most tightly packed in a solid (answer A).
12. Hot air (answer B) is lighter than cold air.
13. Magnesium (answer B) has the most electrons of the three - one atom has 12 electrons.
14. A gas (answer C) has neither a definite shape nor definite volume.
15. The chemical symbol for sodium is Na (answer B).
16. A proton has a positive charge (answer A).
17. Salt (answer C) is made from the elements sodium and chlorine.
18. A strong acid would have a pH closer to one (answer A). A pH more than 7 indicates a base; a pH of 7 indicates a neutral substance.
19. It would be called a positive ion (answer A). An atom that gains electrons would be a negative ion.
20. The chemical symbol for lead is Pb (answer C).
21. Ice melting into water is considered a physical change (answer A) since no new substance is formed.
22. The amount of matter in an object is called its mass (answer B). Volume is the amount of space it takes up!
23. It is the formula for both water and ice (answer C). Ice is the solid state of water.
24. True! In nature, diamond and graphite are pure forms of carbon.
25. There would be one atom of carbon (answer A) and four atoms of hydrogen in a methane molecule.
26. Pewter (answer C) does not belong. It is an alloy not a metallic element.

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Physics
1. Isaac Newton (answer B) is known for the Laws of Motion.
2. The study of motion, forces, and energy is called physics (answer A).
3. You would be riding in a boat (answer C). One knot equals one nautical mile per hour.
4. A strawberry appears red because it reflects red light (answer B) - it absorbs all the other colors in white light.
5. Newton’s 1st Law of motion (answer A) was correct.
6. The correct way to calculate speed is distance divided by time (answer B).
7. The seesaw (answer B) is a lever.
8. The distance between two consecutive crests or troughs is called the wavelength (answer A.)
9. Waves that require a medium are called mechanical waves (answer B.)
10. The rate of change of velocity is known as acceleration (answer C.)
11. The fixed point is called a fulcrum (answer A.)
12. Newtons (answer B) are used to measure force.
13. The term ultrasonic (answer B) is used to describe sounds with frequencies above 20,000 hertz.
14. A concave mirror (answer A) resembles the inner surface of a spoon.
15. Whispering would create sounds of about 20 decibels (answer B.)

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Astronomy
1. It takes Pluto about 248 years (answer B) to orbit the sun.
2. To view the stars you would use a refracting telescope (answer B).
3. An astronomer would study stars and planets (answer C).
4. Eight planets (answer B) orbit our sun.
5. It takes the Earth one day (answer A) or 24 hours to make one rotation on its axis.
6. Jupiter (answer D) is the largest planet with a diameter of 143,000 kilometers.
7. A waxing moon appears to be getting wider (answer B). A waning moon appears to grow thinner.
8. Iron (answer C) gives Mars its reddish-orange color.
9. Polaris (answer D) does not belong. It is a star, while the others are constellations.
10. Saturn (answer C) is known for its rings.
11. Halley’s Comet is expected to return in 2061 (answer B). It returns about every 76 years.
12. It takes about 8 minutes (answer B) - actually 8 minutes and 20 seconds.
13. Of the three, Jupiter (answer C) is the furthest from the sun.
14. Mercury (answer B) has a year of only 88 days.
15. The term lunar (answer C) refers to the moon.

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Earth Science
1. B. Farther - The Atlantic Ocean is expanding by a few centimeters each year due to sea floor spreading.
2. A. Pacific Ocean - It is twice the size of the Atlantic Ocean.
3. B. Basalt - It is an igneous rock; all the others are sedimentary rocks.
4. B. 480 km
5. B. Tropic of Capricorn - The Tropic of Cancer is in the Northern Hemisphere.
6. B. Two - The tides rise and fall twice between each moonrise.
7. B. The South pole
8. B. Lines of latitude - They run parallel to the equator and measure distance north or south of the equator.
9. B. Noon
10. 50 Feet below the surface - The temperature continues to get colder the deeper you dive in the ocean!
11. B. Mars - The base of Olympus Mons would cover the state of Nebraska!
12. A. 6%
13. 3rd - Only Mercury and Venus are closer. Don't forget the song, Welcome to Earth third rock from the sun!
14. A. Stalagmites - An easy way to remember: Stalagmites “might” reach the top, while stalactites hold “tight” on the ceiling.
15. A. Igneous rock
16. D. Pacific Ocean - It averages 4,000 meters deep.
17. B. Nile - It is 6,670 kilometers in length.
18. B. Marble - It is formed from limestone that has been subjected to great heat and pressure.
19. C. 8 minutes
20. C. The Highlands in Scotland - They are believed to be 400 million years old.
21. A. Pacific Ocean - It is three times bigger than Asia, the largest continent.
22. B. 1/4
23. C. 360o
24. A. Equinox - The vernal equinox is the start of spring and the autumnal equinox is the start of fall in the Northern Hemisphere.
25. A. Andes Mountains in South America - The mountain range spans a total of 7,240 km.
26. C. 80%
27. A. 3.5 inches
28. A. Set our clocks ahead 1 hour - Remember this phrase, “Spring forward, fall behind.”

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