Install QuizVortex App
Play offline · Home screen icon · Faster loading
30 easy science questions covering biology, physics, chemistry and nature.
1. What do we call the change from liquid to gas?
💡 Evaporation happens when a liquid is heated and turns into a gas or vapor.
2. What gas do humans breathe out?
💡 When we breathe in oxygen our body uses it to produce energy and we breathe out carbon dioxide as waste.
3. What do we call animals that are active at night?
💡 Nocturnal animals are active at night and sleep during the day. Examples include owls bats and foxes.
4. What is the largest organ of the human body?
💡 The skin is the largest organ covering about 2 square meters and weighing 3 to 4 kg.
5. What is the name of the galaxy we live in?
💡 Our solar system is located in the Milky Way galaxy — a barred spiral galaxy containing 100-400 billion stars.
6. What force keeps us on the ground?
💡 Gravity is the force that pulls all objects with mass toward each other. Earth's gravity keeps us on the ground.
7. What do we call the process by which a caterpillar becomes a butterfly?
💡 Metamorphosis is the transformation from caterpillar to butterfly through a chrysalis stage.
8. What do plants need from the sun to make food?
💡 Plants use sunlight to make their own food through photosynthesis using chlorophyll in their leaves.
9. How many legs does an insect have?
💡 All insects have exactly 6 legs. Spiders have 8 legs making them arachnids not insects.
10. What is the center of an atom called?
💡 The nucleus is the dense center of an atom containing protons and neutrons. Electrons orbit around it.