Free Trivia Questions for 6th Graders with Answers

🔬 Science

• What force keeps us pulled toward the ground on Earth?

  Answer: Gravity

• Which gas makes up most of the air we breathe?

  Answer: Nitrogen

• What is the chemical formula for water?

  Answer: H2O

• Which part of a plant absorbs water and minerals from soil?

  Answer: Roots

• What simple machine is a seesaw an example of?

  Answer: A lever

• What organ pumps blood through the human body?

  Answer: The heart

• Which tool is used to look at tiny objects like cells?

  Answer: Microscope

• What state of matter has a fixed shape and volume?

  Answer: Solid

• Which planet is known as the Red Planet?

  Answer: Mars

• What process turns liquid water into water vapor?

  Answer: Evaporation

• What is the largest organ of the human body?

  Answer: Skin

• What do we call animals that eat only plants?

  Answer: Herbivores

• Which energy source comes directly from sunlight?

  Answer: Solar energy

• What part of the eye controls how much light enters?

  Answer: Pupil

• What force slows a rolling ball on grass?

  Answer: Friction

• Which body system includes the brain and spinal cord?

  Answer: Nervous system

• What layer of gases surrounds Earth?

  Answer: Atmosphere

• What phase change happens when ice turns to liquid water?

  Answer: Melting

• Which object’s gravity causes most ocean tides on Earth?

  Answer: The Moon

• What tiny units make up all living things?

  Answer: Cells

• What weather instrument is used to measure temperature?

  Answer: Thermometer

• Which scientist is famous for the theory of relativity?

  Answer: Albert Einstein

• What green pigment in plants captures energy from sunlight?

  Answer: Chlorophyll

• What gas do plants release during photosynthesis?

  Answer: Oxygen

• Which tool measures how much rain has fallen?

  Answer: Rain gauge