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Science Quiz for 13 Year Olds

16 science quizzes and 132 questions written for age 13, matched to what a 13-year-old is learning at school. 1 is free to play.

Questions a 13-year-old will be asked

  • What is the smallest unit of an element that retains its chemical properties?
  • How many atoms are in one molecule of water (H₂O)?
  • What is the charge of a proton?
  • The human nervous system consists of:
  • What is a neuron?
  • The brain is protected by:
  • Who discovered cells?
  • Which organelle is called the "powerhouse of the cell"?
  • Which organelle controls all cell activities?
  • What type of bond forms when electrons are TRANSFERRED from one atom to another?

Each answer is followed by an explanation, so a wrong guess still teaches something.

All science quizzes for age 13

  • Atoms and Molecules Quiz
    8 questions
  • Biology: Human Nervous System Quiz
    8 questions
  • Cell Biology Quiz
    8 questions
  • Chemical Bonding Quiz
    8 questions
  • Chemical Reactions Quiz
    8 questions
  • Chemistry Basics: Elements
    8 questions
  • Electricity and Circuits Quiz
    8 questions
  • Environment and Conservation Quiz
    8 questions
  • Human Body Systems Quiz
    10 questions
  • Light Reflection and Refraction Quiz
    8 questions
  • Periodic Table Quiz
    8 questions
  • Photosynthesis and Respiration Quiz
    8 questions
  • Plants and Photosynthesis Quiz
    8 questions
  • Science: Nutrition and Food Quiz
    8 questions
  • Sound and Light Quiz
    8 questions
  • Space and the Solar System Quiz (Age 13)
    10 questionsFree

Science quizzes for other ages

Other subjects for 13 year olds

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