Why does the mass of magnesium go up when it is burnt?

Can you imagine going inside the earth from under it? How would that be?? Would you like flip rightside up??lol

Protons, neutrons and electrons...what are their charges and relative masses?

Say you have a container and you have to fill it up with water or any liquid, and then have to find it's mass and substance a...

I am doing a practical science write up for school and we have to include inferences (why the reaction happened) I need fast ...

well recently I've become very interested in stars and stuff and I was just wonderin wwens d next meteor shower ganna be ......

If there was a clock in a massive object say... Jupiter and there was a spacecraft that was very light sent into space and it...

My little sister pointed it out to me in the beginning of September. the eclipse-y part is going up and down... not side to ...

I know that NASA plans to reach the moon by 2019 and make a permanent moon base from 2019 to 2024, as stated in Bush's Visio...

Any astronomy whizzes out there? I also wondered how Saturns ring stays in the perfect circle, rotating around the planet a...

ok well my friend just asked me why ice dont get freezer burnt. lol so I told her that I would try to figure it out!! any hel...