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Do You Remember Any Of The Science They Taught You At School?

We hope you were paying attention in class.

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  1. How many bones are there in the adult human body?

    Thinkstock
    Correct
    Incorrect
    192
    Correct
    Incorrect
    206
    Correct
    Incorrect
    224
    Correct
    Incorrect
    270
    Correct!
    Wrong!

    There are 206 bones in the adult body. Newborns have over 300.

  2. Which of these is the femur?

    bbc.co.uk
    Correct
    Incorrect
    1
    Correct
    Incorrect
    2
    Correct
    Incorrect
    3
    Correct
    Incorrect
    4
    Correct!
    Wrong!

    The femur is the scientific name for the thigh bone.

    Via bbc.co.uk
  3. If a substance has a pH of 5, is it an acid or an alkali?

    Thinkstock
    Correct
    Incorrect
    Acid
    Correct
    Incorrect
    Alkali
    Correct!
    Wrong!

    Any substance with a pH greater than 7 is an alkali, and a substance with a pH lower than 7 is an acid. If it has a pH of 7, it's neutral.

  4. Which of these is NOT an alkali?

    Thinkstock
    Correct
    Incorrect
    Sodium hydroxide
    Correct
    Incorrect
    Potassium hydroxide
    Correct
    Incorrect
    Zinc hydroxide
    Correct!
    Wrong!

    Zinc hydroxide is not an alkali because it does not dissolve in water.

  5. What is the chemical symbol for copper?

    Correct
    Incorrect
    Correct
    Incorrect
    Correct
    Incorrect
    Correct!
    Wrong!

    The chemical symbol for copper is Cu. Ca is the symbol for calcium, and Co is the symbol for cobalt.

  6. Which of these is an invertebrate?

    Correct
    Incorrect
    Fish
    Correct
    Incorrect
    Butterfly
    Correct
    Incorrect
    Frog
    Correct
    Incorrect
    Via Thinkstock
    Snake
    Via Thinkstock
    Correct!
    Wrong!

    Invertebrates are animals without backbones. Butterflies, like all insects, are a type of invertebrate known as an arthropod, which have an external skeleton, a segmented body, and jointed legs.

  7. What is this equation used to calculate?

    Correct
    Incorrect
    Pressure
    Correct
    Incorrect
    Momentum
    Correct
    Incorrect
    Velocity
    Correct!
    Wrong!

    The equation for momentum is mass in kg multiplied by velocity in m/s.

  8. In a circuit diagram, which of these is the correct symbol for a lamp?

    Correct
    Incorrect
    Correct
    Incorrect
    Correct
    Incorrect
    Via Thinkstock
    Via Thinkstock
  9. Which of these is NOT a fossil fuel?

    Thinkstock
    Correct
    Incorrect
    Coal
    Correct
    Incorrect
    Oil
    Correct
    Incorrect
    Water
    Correct
    Incorrect
    Natural gas
  10. Solar panels do not work at night. True or false?

    Correct
    Incorrect
    Correct
    Incorrect
    Correct!
    Wrong!

    Of course they don't! One of the main disadvantages of solar panels as a renewable energy source is their inability to work at night.

  11. What is an alloy?

    Thinkstock
    Correct
    Incorrect
    A metal in its purest form.
    Correct
    Incorrect
    An inexpensive metal.
    Correct
    Incorrect
    A mixture of two elements, one of which is a metal.
  12. What process is used to purify copper?

    Thinkstock
    Correct
    Incorrect
    Neutralisation
    Correct
    Incorrect
    Electrolysis
    Correct
    Incorrect
    Radiation
    Correct!
    Wrong!

    In electrolysis, electricity is passed through solutions containing copper compounds, such as copper sulphate. The positive electrode (anode) is impure copper, and the negative electrode (cathode) is pure copper.

    Via scienceaid.co.uk
  13. In the equation for aerobic respiration, which word is missing?

    BuzzFeed
    Correct
    Incorrect
    Carbon
    Correct
    Incorrect
    Hydrogen
    Correct
    Incorrect
    Glucose
    Correct!
    Wrong!
    Via BuzzFeed
  14. Which part of your body produces bile?

    Thinkstock
    Correct
    Incorrect
    Liver
    Correct
    Incorrect
    Pancreas
    Correct
    Incorrect
    Stomach
    Correct!
    Wrong!

    Bile is an alkaline substance produced by the liver and stored in the gall bladder.

  15. What is the type of cell division that produces gametes?

    Thinkstock
    Correct
    Incorrect
    Mitosis
    Correct
    Incorrect
    Meiosis
    Correct!
    Wrong!

    Sex cells (aka gametes) are the product of meiosis.

 
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