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Test your basic science knowledge with 15 easy questions and answers on biology, chemistry and space.
1. What do we call animals that can live both on land and in water?
💡 Amphibians, like frogs, typically live part of their life in water and part on land.
2. What do we call the sun, moon, planets, and stars collectively?
💡 Celestial bodies is a general term referring to natural objects in space, such as stars, planets, and moons.
3. Which of these planets has no moons at all?
💡 Venus, along with Mercury, is one of only two planets in our solar system with no moons.
4. What do we call the protective case a caterpillar forms before becoming a butterfly?
💡 A chrysalis is the hardened protective case in which a caterpillar transforms into a butterfly.
5. What do we call energy that comes from the sun?
💡 Solar energy is energy harnessed directly from sunlight, often using solar panels.
6. What do we call the path a planet takes as it circles the sun?
💡 A planet's orbit is the curved path it follows as it travels around the sun.
7. Which state of matter has neither a fixed shape nor a fixed volume?
💡 A gas expands to fill any container, having no fixed shape or fixed volume.
8. Which natural resource covers most of the Earth's surface?
💡 Water covers about 71% of the Earth's surface, mostly in the form of oceans.
9. Which planet is known for being tilted almost completely on its side?
💡 Uranus has an extreme axial tilt of about 98 degrees, causing it to essentially roll along its orbit.
10. Which body system includes the heart and blood vessels?
💡 The circulatory system, including the heart and blood vessels, moves blood throughout the body.
11. Which gas makes up most of the air we breathe?
💡 Nitrogen accounts for about 78% of Earth's atmosphere, the largest share of any gas.
12. Which organ produces bile to help digest fats?
💡 The liver produces bile, which helps break down fats during digestion.
13. What gas do plants release that humans and animals need to breathe?
💡 Plants release oxygen as a byproduct of photosynthesis, which most living organisms depend on to survive.
14. What is the main function of red blood cells?
💡 Red blood cells contain hemoglobin, which binds to oxygen and carries it throughout the body.
15. What is the chemical symbol for gold?
💡 Gold's chemical symbol, Au, comes from its Latin name 'aurum'.