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100
  • How can there be clouds in winter when it is too cold for water to stay a vapor?

Water vapor is invisible because its molecules are too far apart to optically scatter light

100
  • Why can't lightning strike the same place twice?

So after lightning strikes one place, it's probably safe from another strike.

200
  • How does a cloud fill up with water?

The water drops and ice crystals that make up a cloud are floating not because they are soaked up by some sponge-like material that is holding them in place.

200
  • Why do car tires protect you from lightning strikes?

 its metal frame redirects the electrical current around the sides of the car and into the ground without touching the interior contents

300
  • What makes rain drops tear shaped?

The reason is the flow of air around the drop.

300
  • Why does ice form on the top of a lake?

Right when the water freezes to ice, the ice becomes significantly less dense than the water and continues to float on the lake's surface.

400
  • What makes the Sahara the largest desert in the world?

It covers a surface area of about 3.5 million square miles.

400
  • Why does the coldest time of the year align with the darkest time of the year?

The basic reason for this discrepancy is the fact that objects take time to cool down and heat up.

500
  • Where is the safest place to go when a tornado hits?

to the basement or an inside room without windows


500
  • Why don't trees freeze and burst in the winter like cold pipes?

Trees are softer and more flexible than metal.