## Challenge yourself with a Science Trivia Quiz!

Easy

### What is a meteor called when it reaches Earth's surface?

Millions of materials from space enter Earths atmosphere everyday, but most is burned up before it reaches Earth's surface. The heat caused by friction is what causes Meteorite's to glow in the sky.

Easy

Easy

Easy

Easy

### In the United States, where can alligators and crocodiles be found together in the wild?

Although crocodiles and alligators look very similar, there is actually a difference. Alligators have wider, rounder shaped snouts, while crocodile snouts are pointed and V-shaped.

Easy

### Which bird is often associated with delivering babies?

Storks are large birds with long legs, long necks, and long bills. This association came from a German folk tail that said storks found babies in caves or marshes and brought them to households in a basket.

Easy

### What is Natalie Portman's Erdős number?

Portman collaborated (using her birth name, Natalie Hershlag) with Abigail A. Baird, who has a collaboration path (Gazzaniga, Michael S. -> Victor, Jonathan D.) leading to Joseph Gillis, who has an Erdős number of 1.

Easy

### Is 8128 a perfect number?

Adding up the divisors of 8128: 1 + 2 + 4 + 8 + 16 + 32 + 64 + 127 + 254 + 508 + 1016 + 2032 + 4064 = 8128

Medium

### What is Bertrand Russell's Erdős number?

Russell collaborated very little and no Erdös number can be found using research articles. But, as pointed out by Sachi Sri Kantha at "the Erdös number project" Russell and Albert Einstein did coauthor the Russell-Einstein "Peace" Manifesto of 1955.

Easy

### Is 36 a perfect number?

Adding up the divisors of 36: 1 + 2 + 3 + 4 + 6 + 9 + 12 + 18 = 55

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