Science Around Us
Take your time. The science hiding in the kitchen, the sky and your own body, with explanations after every question.
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The author has made the opening questions public. Play the full quiz in the app to see the rest, with answers and explanations.
What gas do plants absorb from the air for photosynthesis?
- Hydrogen
- Carbon dioxide
- Oxygen
- Nitrogen
At what temperature does pure water boil at sea level?
- 100 °C
- 90 °C
- 110 °C
- 120 °C
Which part of the human body pumps blood around it?
- The heart
- The liver
- The lungs
- The kidneys
What is the chemical formula of table salt?
- CaCO3
- NaCl
- KCl
- NaOH
Which planet is closest to the Sun?
- Mercury
- Mars
- Venus
- Earth
What force keeps us on the ground?
- Static electricity
- Friction
- Gravity
- Magnetism
Which vitamin does the skin make when exposed to sunlight?
- Vitamin C
- Vitamin A
- Vitamin K
- Vitamin D
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