Science-By John Farndon


  1. Solids, liquids and gases
    1. What are solids?
    2. What is a plasma?
    3. When do things freeze?
    4. What substance has the highest melting point?
    5. What substance has the lowest freezing point?
    6. When do things boil?
    7. When do things melt?
    8. What happens in evaporation and condensation?
    9. What is pressure?
    10. What does pressure change?
  2. Atoms and particles
    1. What is an atom?
    2. How big are atoms?
    3. What are electrons?
    4. What is a molecule?
    5. What is an ion?
    6. What is the nucleus?
    7. What are electrons shells?
    8. What holds atoms together?
    9. Who split the atom?
    10. How many kinds of particle are there?
    11. What is the smallest particle of all?
  3. Elements
    1. What is an elements?
    2. How many elements are there?
    3. What are noble gases?
    4. Why are some elements reactive?
    5. What is the heaviest element?
    6. What are the transition metals?
    7. What is a metal?
    8. What is the periodic table?
    9. Why is carbon so special?
    10. Who discovered radium?
    11. What are the lanthanides?
    12. What is the lightest element?
  4. Substances in combination
    1. How do batteries work?
    2. What is electrolysis?
    3. What is a mixture?
    4. What is a chemical formula?
    5. What are compounds?
    6. What’s the sea made of?
    7. What’s the air made of?
    8. How do chemical react?
    9. How do things dissolve?
  5. Nuclear power
    1. Why is nuclear power awesome?
    2. What is nuclear fusion?
    3. What is nuclear fission?
    4. What is an atomic bomb?
    5. How do nuclear power stations work?
    6. What does radiation do to you?
    7. How can radioactivity be used to indicate age?
    8. What exactly is radioactivity?
    9. Who invented the atomic bomb?
    10. What is half-life?
  6. Water
    1. Why do things float?
    2. What’s so special about water?
    3. What is hydraulic power?
    4.  What is heavy water?
    5. How much water is there in the body?
    6. Why do plants need water?
    7. Why does sweating keep you cool?
    8. What is hydroelectric power?
    9. Who made the first waterwheels?
    10. Why do icebergs float in the sea?
  7. Magnetism and sound
    1. What is a magnetic field?
    2. What is a lodestone?
    3. What is a magnetic pole?
    4. Why is the Earth like a magnet?
    5. What is resonance?
    6. How does sound travel?
    7. What is sound frequency?
    8. What is an echo?