Do You Know
Questions & Answers on General Knowledge.
Do any mammals lay eggs?
The duck-billed platypus and the spiny anteater lay eggs. They are found in Australia, Tasmania and New Guinea. They were among the first mammals on Earth. Apart from laying eggs, they are similar to other mammals. They are warm-blooded, have hair and produce milk to feed their young. But neither anteaters nor platypuses have any teeth. They have snouts that look like beaks.
What are barns used for?
Where are flightless birds found?
How do you push a shopping cart and have the cart exert the same force on you, if you are still traveling forward? Friction? Air Resistance?
What do frogs and toads eat?
Why, when something is stopped cold, do we say somebody “put the kibosh” on it?
Which thirteen colonies formed the original United States of America?
How do helicopters fly with such small wings without them breaking off?
Why is 21 June an important day around the Arctic Circle?
How many kinds of rock does Earth have?
How would you construct and wire a battery recharger using solar panels as a voltage source?
In a microwave oven, does food cook from the inside out or outside in?
Are some frequencies of sound more directional than others and, if so, why?
Please explain the "Wagon Wheel Effect." How can the wheel appear to move forward, then backward, then stop, just by viewing it differently?
Does red or blue light bend more in glass?
Is the Sahara the only desert in Africa?
What colour is the sky above Mercury?
How do power stations generate so much electricity?
What is pH and why is it so important to my garden pond and spa?
Why is blood red?
How do coconuts swim?
What are firewalls? What are they made of?
What is gravitational force?
What is the corona?
Why are some kids better at schoolwork than others?
What happens when a fluorescent lamp flickers during start-up but doesn't fully light?
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