Review Test Questions

(1) What is the largest planet in our solar system? See Answer

(2) What is the smallest planet in our solar system? See Answer

(3) Which planet is farthest from our Sun? See Answer

(4) Mars is known for which color? See Answer

(5) How many stars are in our solar system? See Answer

(6) Is Ceres a dwarf planet? See Answer

(7) What is the most abundant element in the universe? See Answer

(8) What element is the Sun mostly made of? See Answer

(9) What do scientists call the birthplace of stars? See Answer

(10) Is the Earth at the center of the solar system? See Answer

(11) Which galaxy do we live in? See Answer

(12) Which element has an atomic number of 2? See Answer

(13) What kind of rocks are formed when magma or lava cool and harden? See Answer

(14) What is a group of lions called? See Answer

(15) This skull belongs to which dinosaur? See Answer

(16) What does Triceratops mean? See Answer

(17) What element is used in many of today's rechargeable batteries for electric vehicles, energy storage See Answer

(18) What toxic element is sometimes called the poisoner's poison? See Answer

(19) Which planet did William Herschel discover in 1781? See Answer

(20) How many planets are in our Solar System? See Answer

(21) Where is the asteroid belt located in our Solar System? See Answer

(22) How many days does it take for the Earth to orbit the Sun? See Answer

(23) What force from the Sun pulls on the Earth and keeps it in orbit? See Answer

(24) We always see the same side of the Moon. See Answer

(25) Which two planets are about the same size? See Answer

(26) What Italian astronomer was the first to study the stars through a telescope? See Answer

(27) What do we call the layer of gas that blocks the Sun's harmful rays? See Answer

(28) Does the Earth rotate in an Eastward or Westward direction? See Answer

(29) What is the word for melted rock deep inside the earth? See Answer

(30) Is the inner most part of the Earth called the crust, the mantle or the core? See Answer

(31) What has a gravitational pull so strong that even light cannot escape it? See Answer

(32) Do light years measure time, distance or radiation? See Answer

(33) What is the name of Saturn’s largest moon? See Answer

(34) Who was the first person to walk on the moon? See Answer

(35) Olympus Mons is a large volcanic mountain on which planet? See Answer

(36) The threshold around a black hole where the escape velocity surpasses the speed of light. See Answer

(37) There is a supermassive black hole at the center of our galaxy. See Answer

(38) Which planet is famous for it's beautiful rings? See Answer

(39) What is the name of the black hole at the center of the Milky Way galaxy? See Answer

(40) Which stars have the longest lifespan? See Answer

(41) The largest snake the world has ever known is called: See Answer

(42) How long does it take light emitted from the Sun to reach the Earth? See Answer

(43) How far away is the nearest-known star to the Sun? See Answer

(44) In 1543, he proposed the Earth and other planets revolved around the Sun. See Answer

(45) Which of these elements belongs to the nonmetals group? See Answer

(46) What are the horizontal rows of the Periodic Table called? See Answer

(47) What scientist is credited with inventing the Periodic Table? See Answer

(48) What is the symbol for the element Gold? See Answer

(49) He reduced mortality from puerperal fever and created the first vaccines for rabies and anthrax. See Answer

(50) He popularized astronomy to the public and his TV series Cosmos remains one of the most-watched show See Answer

(51) What type of rocks are formed by great heat and pressure? See Answer

(52) Rocks constantly changing from one type to another over millions of years is called the: See Answer

(53) These are usually caused when rock underground suddenly breaks along a fault See Answer

(54) All species of life develops through the natural selection of small, inherited variations that incre See Answer

(55) Who was the first woman to win a Nobel Prize? See Answer

(56) His research led to the banning of lead in gasoline and in food products. See Answer

(57) Stars in the Milky Way galaxy number in the: See Answer

(58) The symbol for the element Mercury is: See Answer

(59) Mercury is also known as: See Answer

(60) Which nation is the leading producer of rare earth metals? See Answer

(61) Does copper rust? See Answer

(62) Rust is formed by the reaction of iron and which element? See Answer

(63) Table salt is a compound of which two elements? See Answer

(64) What is maximum number of electrons in the innermost shell of an atom? See Answer

(65) Does a normal hydrogen atom have a neutron? See Answer

(66) Helium, Neon, Argon, Krypton, Xenon, Radon, and Oganesson make up which group on the periodic table? See Answer

(67) Which of these elements will explode on contact with water? See Answer

(68) What caused the dinosaurs to die out? See Answer

(69) These were large, four-legged herbivorous dinosaurs. They had very long necks, small heads with blun See Answer

(70) Which is the largest land animal? See Answer

(71) Which group of animals have scales? See Answer

(72) Which of these animals is best adapted to the desert? See Answer

(73) Which element is worth more than gold? See Answer

(74) Which element has the atomic number 8? See Answer

(75) How many elements are in the Periodic Table? See Answer

(76) What element composes the largest part of Earth's atmosphere? See Answer

(77) How many moons does Mars have? See Answer

(78) What is the only world in the solar system besides Earth that has rivers, lakes and seas on its surf See Answer

(79) What were duck-billed herbivorous dinosaurs called? See Answer

(80) The volt, a unit of the electromotive force that drives current, was named after who in 1881? See Answer

(81) Who is best known for his work regarding electricity and magnetism? See Answer

(82) Approximately how old is the Earth? See Answer

(83) Most rocks are composed of several different minerals? See Answer

(84) Which of these minerals can kill you? See Answer

(85) How fast do gravitational waves travel? See Answer

(86) During the winter in the Northern Hemisphere, the North Pole is tilting in which direction? See Answer

(87) Approximately how far is earth from the center of the Milky Way galaxy? See Answer

(88) IC 1101 is one of the largest ever discovered of which? See Answer

(89) What is ring of icy objects around the Sun extending just beyond the orbit of Neptune called? See Answer

(90) These rocks are made when small pieces of other rocks are buried together. See Answer

(91) What is the outer layer of the Earth called? See Answer

(92) What rock is a type of glass made by volcanoes? See Answer

(93) The most common rock on Earth's service is called? See Answer

(94) Most types of this rock are made from the shells or skeletons of ancient ocean dwellers, such as she See Answer

(95) Which of these is burned in furnaces to help produce energy? See Answer

(96) Powered by black holes, what are 100 times brighter than a normal galaxy and eclipse the ancient gal See Answer

(97) He proved their were galaxies beyond the Milky Way. See Answer

(98) What are the dark areas on the surface of the Sun? See Answer

(99) What is a massive star that has exploded called? See Answer

(100) Ganymede, Io, Europa, and Callisto are called the... See Answer

(101) Which planet has the strongest winds in the solar system? See Answer

(102) Which moon of Neptune orbits backwards? See Answer

(103) What is this green mineral that contains the elements iron, magnesium, silicon and oxygen? See Answer

(104) Which dinosaur was covered in armor plates and had a huge club at the end of its tail? See Answer

(105) A dose as little as 0.00000005 grams would be fatal. See Answer

(106) Emeralds and rubies get their colors from which element? See Answer

(107) Cheese, yogurt, milk, broccoli, sardines and almonds are rich is which element? See Answer

(108) Which element's name comes from the German word for "Goblin?" See Answer

(109) Which element is needed for plant growth and is used in plant fertilizers? See Answer

(110) What substance has unique properties that are distinct from the properties of its elemental constitu See Answer

(111) What is the big block of elements in the middle of the Period Table that contains hard, shiny metals See Answer

(112) This element is named after the mythological Greek giants because it is so strong? See Answer

(113) Which of these animals can have lifespans over 100 years in the wild? See Answer

(114) What is the diverse group of flightless, mostly large and long-legged birds called? See Answer

(115) Which of these creatures has the shortest lifespan? See Answer

(116) Which owl is the smallest owl in the animal kingdom? See Answer

(117) Which element crumbles into dust when it gets very cold? See Answer

(118) What is a shorthand method of representing an element? See Answer

(119) What gemstone with a pink or rose-red crystals can rival the deep color of rubies? See Answer

(120) Half of all mammal species are what? See Answer

(121) Which of these is the only dwarf planet in the inner Solar System? See Answer

(122) How long does it take for the planet Mercury to orbit the Sun? See Answer

(123) Which planet has an surface temperature hot enough to melt lead? See Answer

(124) MK2 is a moon of which dwarf planet? See Answer

(125) Which era did dinosaurs first appear? See Answer

(126) What is the preserved remains of ancient life, found in many sedimentary rocks, called? See Answer

(127) Which microbes break down dead plants and animals to use as food? See Answer

(128) What do we call microbes that make people sick? See Answer

(129) Who is considered the "Father of Micobiology"? See Answer

(130) Who invented the floating ballcock, an improved tank-filling mechanism still used in toilets today? See Answer

(131) Which of the following is a renewable form of energy? See Answer

(132) Which of these microbes can survive in very extreme enviroments such as volcanic hot springs? See Answer

(133) Scientists grow bacteria on special plates called...? See Answer

(134) What is the thick jelly-like substance that fills the inside of a cell? See Answer

(135) Crude oil that has high levels of sulfur is called? See Answer

(136) What is used to treat bacteria infections all over the world? See Answer

(137) Which year did Steve Jobs launch Apple's iPhone? See Answer

(138) Which English computer scientist is best known as the inventor of the World Wide Web? See Answer

(139) Who is best known for his contributions to the design of the modern alternating current (AC) electri See Answer

(140) What was the first US spacecraft to successfully land on Mars in 1975? See Answer

(141) This vehicle was first launched into space on April 12, 1981 and carried a crew of two. See Answer

(142) Which planet in our Solar System rotates on its side? See Answer

(143) The Great Red Spot can be found on which planet? See Answer

(144) What is it called when the Moon moves into the Earth's shadow? See Answer

(145) What kind of battieries does electric-vehicle maker Tesla use? See Answer

(146) What kind of renewable energy comes from building dams on rivers? See Answer

(147) Tapping heat generated inside the Earth creates which type of energy? See Answer

(148) Which of these energy sources uses the least amount of water? See Answer

(149) What kind of energy comes from sources that will run out or will not be replenished for thousands or See Answer

(150) Which scientist is famous for the theory of quantum mechanics? See Answer

(151) What does a Geiger Counter measure? See Answer

(152) What unit of length is equal to approximately 9.46 trillion kilometers (5.88 trillion miles)? See Answer

(153) What does the term API stand for in software technology? See Answer

(154) Which duo invented the aeroplane? See Answer

(155) What is the name of the classic 1972 arcade game based on table tennis? See Answer

(156) What is light amplification by stimulated emission of radiation called? See Answer

(157) Which of these elements is often used in tools because it is a hard, strong metal that is easy to sh See Answer

(158) What element was the first to be produced artifically by researchers? See Answer

(159) What element has the symbol N? See Answer

(160) Which gases are often used for lighted signs? See Answer

(161) What element gives garlic and onions their pungent smell and taste? See Answer

(162) Which element has the symbol Sc? See Answer

(163) What is the most abundant element in Earth's crust? See Answer

(164) What is the symbol for Silicon Dioxide? See Answer

(165) What gaseous compound has the chemical formula CH4 and also gives Neptune it's blue color? See Answer

(166) Which of these elements is not a synthetic element? See Answer

(167) What is the chemical symbol for the element Germanium? See Answer

(168) Carbon, Hydrogen, Nitrogen, Oxygen, Phosphorus and Sulfur (CHNOPS) are considered the essential elem See Answer

(169) Because this element does not rust, it is used to coat objects to make them look silver. See Answer

(170) Because this element is an excellent conductor of electricity and heat, it is widely used as wires i See Answer

(171) This element was discovered by German alchemist Hennig Brand when he boiled a large pot of urine. See Answer

(172) Compounds with this element are often used in rat poisons. See Answer

(173) When silicon and oxygen mix with metal ions, the result is a class of minerals called: See Answer

(174) The 6 types of these include: up, down, bottom, top, charm, and strange. See Answer

(175) What molecule tells a cell how to grow and behave? See Answer

(176) What is the most common cold virus? See Answer

(177) Which of these dinosaurs could fly? See Answer

(178) What are rock fragments and particles ejected by a volcanic eruption called? See Answer

(179) What is a group of ravens called? See Answer

(180) Who invented the Selfie Stick in 2005? See Answer

(181) What do we call a prediction or proposed explanation that can be tested? See Answer

(182) What kind of energy can be transferred to other objects through collisions like bumper cars? See Answer

(183) What two factors influence the amount of potential energy of an object? See Answer

(184) What can happen to a species of animal isn't fit for its environment either because the environment See Answer

(185) Who developed the theory of natural selection which describes how species change over time to adapt See Answer

(186) What is the location of the source of a seismic wave directly under the epicenter of an earthquake? See Answer

(187) What are the vibrations caused by the release of energy in an earthquake? See Answer

(188) What are the three main branches of science? See Answer

(189) The average kinetic energy of molecules in a substance is called what? See Answer

(190) What kind of energy is stored in the bonds of chemical compounds? See Answer

(191) What do scientists call four legged vertebrates that first appeared in the late Devonian period, 367 See Answer

(192) What are flying reptiles such as Quetzalcoatlus called? See Answer

(193) What do scientists call animals that don't have backbones? See Answer

(194) What are crabs, lobsters, water fleas, shrimp, and barnacles called? See Answer

(195) What is the rod (such as a backbone) that extends down the length of the body for support called? See Answer

(196) Which planet was named by an 11-year-old school girl named Venetia Burney in 1930? See Answer

(197) How long does it take Mercury, the smallest planet in our solar system, to orbit around the Sun? See Answer

(198) In 1978, astronomers found that tiny Pluto has a large moon, half as big as Pluto itself. What is th See Answer

(199) Pluto is called a "dwarf planet", not a true planet. In 2005, a smaller dwarf planet was discovered. See Answer

(200) What is the Milky Way that we can see at night? See Answer

(201) What is the shape of the Milky Way galaxy? See Answer

(202) Which planet is sometimes called the "third rock from the Sun"? See Answer

(203) What element has the symbol Li? See Answer

(204) What is the symbol for the element silver? See Answer

(205) Which element has the symbol W? See Answer

(206) SARS‑CoV‑2, the coronavirus which caused the COVID-19 pandemic belongs to which virus type? See Answer

(207) What is H₂O the molecular formula for? See Answer

(208) What is the chemical formula for methane? See Answer

(209) Which of these animals uses their tongue to smell? See Answer

(210) What year was the National Aeronautics and Space Administration (NASA) founded? See Answer

(211) What is Earth’s oldest artificial satellite that's still in orbit? See Answer

(212) Which of these is an organ of an electric eel that produces electricity? See Answer