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Practice Science Questions
Easy
Electronics and Magnetism
Easy Light,
Sound, and Color
Chemistry
101
The Periodic
Table
Basic
Physics
Physics
Forces
Physics
Velocity and Acceleration
Solar
System
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Fun Facts About Science
- A human eye will blink over 4 million times in a year.
- A hurricane will release more energy in 10 minutes than 100% of the world's nuclear weapons.
- Almost 100% of the Oxygen in the Earth's atmosphere was produced by living organisms.
- Aluminum used to have a higher value than gold.
- An average human adult will have about 1/2 of a pound of salt.
- "It can take plastic about 50,000 years to decompose."
- It takes about 100 pounds of water to make 1 pound of food.
- J is the only letter that is not in the Periodic Table.
- Sound travels much faster through a metal than air.
- The average ice berg weighs about 20 million tons.
- The earth gets about 6000 lightning strikes per minute.
- The hardest substance known to man is diamond.
- The only metal that is a liquid at room temperature is Mercury.
- Water grows by about 9% when it freezes into ice.
Learn more about science and Outer Space:
Main Science Page.
The Scientific Method
Astronomy - the science of outer space
The Solar System
The Sun
Mercury
Venus
Earth
Mars
Jupiter
Saturn
Uranus
Neptune
Pluto
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Kid's Poll |
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Which of these cities would you most like to visit on vacation?
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Joke of the Day |
Q: Knock, knock----Who's There?----Ashe----Ashe who?
A: Bless you!
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Today In History |
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Who was born on this day: 1952 Mr. T (Actor) 1981 Josh Hamilton (Baseball player) What happened today in history:
1881 The American Red Cross is established by Clara Barton. 1927 Charles Lindbergh completes the first solo nonstop flight across the Atlantic Ocean.
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