Surprising facts, two choices. Make your guess, discover the answer, and compare with your partner.
Take turns testing each other on animals, space and the natural world. Each statement has a definite answer, a short explanation and a link to the source. Guess before you peek, talk about the facts that surprise you, and move on whenever you are ready. The percentages show what other browsers chose; the explanation tells you which answer is correct.
True. Two hearts send blood through the gills. A third supplies the rest of the body. Natural History Museum
False. Venus is hotter. Its thick atmosphere traps heat, even though Mercury is closer to the Sun. NASA
True. Taste sensors on their feet help butterflies check whether a plant is suitable for their caterpillars. San Diego Zoo
False. Dolphins are mammals. They breathe air with lungs and feed their young milk. NOAA
True. One rotation takes about 243 Earth days; one orbit takes about 225. A rotation is different from the time between sunrises. NASA
False. Their skin is black. The hairs look white but have no white pigment. WWF
True. Coral polyps capture food with tiny tentacles. Many also live with algae that help supply nutrients. NOAA
False. Bats can see. Their eyes are sensitive to low light, and many species also navigate using echolocation. US Geological Survey
True. A desert is defined by its low precipitation, not by heat. Antarctica is an extremely dry continent. British Antarctic Survey
False. Their skeletons are made of cartilage, the flexible material also found in human ears and noses. NOAA Fisheries
True. It is the star at the center of our solar system. Its gravity holds the planets in their orbits. NASA
False. Earth bulges slightly around the equator and is flattened at the poles. Its surface is uneven, too. NOAA
True. About 71% of Earth's surface is covered by one connected global ocean. NOAA
False. The Sun is made of plasma. Its visible surface, called the photosphere, is not solid ground. NASA
False. Venus has no moon. Its companion Zoozve is a quasi-satellite that orbits the Sun, rather than a moon orbiting Venus. NASA
True. They use a copper-containing protein to carry oxygen. That gives oxygenated octopus blood its blue color. Natural History Museum
False. Bleaching means a coral has lost its symbiotic algae. It is stressed, but it can still be alive and recover. NOAA
True. Mercury travels around the Sun in roughly 88 Earth days, giving it the shortest year of the planets. NASA
True. The same location can be hit repeatedly, especially a tall, isolated structure. National Weather Service
False. The Sun's plasma rotates at different speeds. A rotation is faster at the equator than near the poles. NASA
Tap the game above to play through them one at a time.
A surprising fact gives you something new to talk about. You can play a few questions while waiting for dinner, or challenge each other to explain why an answer sounds right before revealing it.
Name three things before five seconds are up. Read the challenge, start the clock, and take turns.
Play now →Lighthearted questions that bring out your playful side. Great for date nights or rediscovering each other.
Play now →Rapid-fire energy for couples. Answer fast, compare answers, and see how well you really know each other.
Play now →Hilarious questions that will have you both crying with laughter. Because the couple that laughs together, stays together.
Play now →How well do you really know your partner? Questions that go from favourite foods to secret fears.
Play now →The classic 21 questions game designed for couples. Take turns asking and answering to uncover new layers of your relationship.
Play now →