TRIVIA QUESTIONS AND ANSWERS
Science trivia questions
Science trivia turns familiar classroom facts into a friendly quiz. This page gathers questions from the verified Science section of the Classic Mixed pool, adds a handful from the site space and astronomy deck, and shows the answer for every one.
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Science questions from the Classic Mixed pool
The Classic Mixed pool keeps a dedicated Science section alongside its general knowledge, history, and other categories. Read those questions here with answers, or play them as part of a free timed round in your browser.
A deeper space round
For fans who want more, TriviaHub ships a separate space and astronomy deck. Play it live in the browser, or read a few of its questions here to plan your own round.
How to use this page
Read the questions below to brush up or plan a quiz, then play the same questions against the clock. Each correct answer is worth 10 points and every round deals a fresh set, so a second game stays interesting.
Questions and answers
What is H2O commonly known as?
Water
What force pulls objects toward the Earth?
Gravity
What part of the cell contains DNA?
Nucleus
Which planet has the most moons in our solar system?
Jupiter
What is the speed of light approximately?
300,000 km/s
What metal is liquid at room temperature?
Mercury
What is the powerhouse of the cell?
Mitochondria
How many bones are in the adult human body?
206
Which gas makes up most of Earth's atmosphere?
Nitrogen
What is the chemical symbol for gold?
Au
What type of animal is a dolphin?
Mammal
What does a barometer measure?
Air pressure
Which vitamin is produced by sunlight?
Vitamin D
What is the smallest unit of life?
Cell
How many planets are in our solar system?
Eight
What is the hardest natural substance on Earth?
Diamond
What process do plants use to make food?
Photosynthesis
Which organ pumps blood through the body?
Heart
What is the boiling point of water in Celsius?
100
Which of these is NOT a state of matter?
Energy
Which planet is known as the Red Planet?
Mars
What is the closest star to Earth?
The Sun
Which space agency launched the Hubble Space Telescope?
NASA
How long does sunlight take to reach Earth?
About 8 minutes
Which mission first landed humans on the Moon in 1969?
Apollo 11
FAQ
Frequently asked questions
Are the science answers shown on the page?
Yes. Every question on this page ships with its answer collapsed below it for easy checking.
Can I play the science questions as a quiz?
Yes. Press play to run the questions as a free timed round in your browser, or open a trivia room to race them with friends.