The Ultimate Science Challenge

Science Smarts: A Multiple Choice Trivia Quiz

Welcome to our science trivia quiz! We have compiled a list of 20 diverse questions covering a range of scientific topics, from planetary science to marine biology and earth science. Each question will have four multiple choice answers to choose from, so think carefully and make your best guess. Ready to test your science knowledge? Let's get started!

Science Trivia Quiz
  1. What is the main gas that makes up Saturn's atmosphere?

        A) Oxygen         B) Nitrogen         C) Carbon dioxide         D) Hydrogen

Answer: D) Hydrogen

  1. What is the most abundant element in the universe?

        A) Helium         B) Hydrogen         C) Oxygen         D) Nitrogen

Answer: B) Hydrogen

  1. How long does it take for light to travel from the Sun to the Earth?

        A) 8 minutes         B) 20 minutes         C) 1 hour         D) 8 minutes and 20 seconds

Answer: D) 8 minutes and 20 seconds

  1. What is the largest planet in the solar system?

        A) Mercury         B) Venus         C) Earth         D) Jupiter

Answer: D) Jupiter

  1. What is the average surface temperature of Venus?

        A) -46 degrees Fahrenheit (-43 degrees Celsius)         B) 32 degrees Fahrenheit (0 degrees Celsius)         C) 86 degrees Fahrenheit (30 degrees Celsius)         D) 864 degrees Fahrenheit (462 degrees Celsius)

Answer: D) 864 degrees Fahrenheit (462 degrees Celsius)

  1. How many known moons does Jupiter have?

        A) 4         B) 16         C) 32         D) 79

Answer: D) 79

  1. What is the Earth's highest mountain?

        A) Mount Everest         B) K2         C) Kilimanjaro         D) Denali

Answer: A) Mount Everest

  1. What is the Earth's lowest point?

        A) The Mariana Trench         B) The Dead Sea         C) The Great Rift Valley         D) The Grand Canyon

Answer: A) The Mariana Trench

  1. What is the Earth's atmosphere made up of?

        A) 78% nitrogen, 21% oxygen, and trace amounts of other gases         B) 50% oxygen, 50% carbon dioxide         C) 99% oxygen, 1% other gases         D) 70% oxygen, 30% carbon dioxide

Answer: A) 78% nitrogen, 21% oxygen, and trace amounts of other gases

  1. What is the average temperature on Earth?

        A) 32 degrees Fahrenheit (0 degrees Celsius)         B) 50 degrees Fahrenheit (10 degrees Celsius)         C) 59 degrees Fahrenheit (15 degrees Celsius)         D) 72 degrees Fahrenheit (22 degrees Celsius)

Answer: C) 59 degrees Fahrenheit (15 degrees Celsius)

  1. What is the average distance from the Earth to the Moon?

        A) about 238,855 miles (384,400 kilometers)         B) about 149.6 million miles (240.5 million kilometers)         C) about 93 million miles (150 million kilometers)         D) about 31 million miles (50 million kilometers)

Answer: A) about 238,855 miles (384,400 kilometers)

  1. What percentage of the Earth's surface is made up of water?

        A) 30%         B) 50%         C) 70%         D) 90%

Answer: C) 70%

  1. What percentage of the Earth's water is contained in the oceans?

        A) 3%         B) 30%         C) 50%         D) 97%

Answer: D) 97%

  1. How many known species of marine life are there in the Earth's oceans?

        A) 10,000         B) 50,000         C) 100,000         D) 230,000

Answer: D) 230,000

  1. What percentage of the Earth's surface is covered by the oceans?

        A) 30%         B) 50%         C) 70%         D) 90%

Answer: C) 70%

  1. What is the Earth's diameter at the equator?

        A) about 3,959 miles (6,371 kilometers)         B) about 7,917 miles (12,742 kilometers)         C) about 12,742 miles (20,471 kilometers)         D) about 25,000 miles (40,000 kilometers)

Answer: B) about 7,917 miles (12,742 kilometers)

  1. How far above the Earth's surface does the atmosphere extend?

        A) about 50 miles (80 kilometers)         B) about 100 miles (160 kilometers)         C) about 250 miles (400 kilometers)         D) about 600 miles (965 kilometers)

Answer: D) about 600 miles (965 kilometers)

  1. What is the Earth's mass in kilograms?

        A) about 5.972 × 10^24 kilograms         B) about 13.2 sextillion pounds         C) about 1.989 × 10^30 kilograms         D) about 4.5 × 10^9 kilograms

Answer: A) about 5.972 × 10^24 kilograms

  1. How long does the Earth take to orbit the Sun?

        A) about 88 Earth days         B) about 365 Earth days         C) about 365.25 Earth days         D) about 730 Earth days

Answer: C) about 365.25 Earth days

  1. What is the Earth's magnetic field caused by?

        A) The movement of molten iron in the outer core         B) The movement of the Earth's crust         C) The Earth's rotation on its axis         D) The Earth's orbit around the Sun

Answer: A) The movement of molten iron in the outer core

Thank you for participating in our science trivia quiz! We hope you enjoyed answering these diverse questions and learning something new along the way. Whether you scored well or struggled with some of the questions, remember that science is an ever-evolving field and there is always more to learn and discover. We hope you will continue to engage with science and expand your knowledge of the world around us. Thank you again for joining us, and we hope you had fun!