How many neutrons are present in a single deuterium nucleus?

953

Explain which is the largest reef?

795

Why do you not collapse under the pressure created by the atmosphere?

1043

How do fireworks turn into shapes like hearts and stars?

979

The lowest frequency that determines the pitch of a musical note is most commonly called the?

957

Explain how do you convert from pascal to torr?

948

How does a sound wave travel in air?

1064

Why does heated air expand?

952

What are examples of techno fossils?

1072

What is magma?

817

What affect does electricity have on soil?

1098

Physicists most commonly call a mass moving in a straight line path as having:

984

What is seismic tomography?

1068

How fast can a shadow move ? If a moth fly's in front of a very bright room temperature light powerful enough to light up Saturn like the sun could it's shadow move faster then light if there was no light diffusion.

2135

What is the earths crust made of?

857