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Contraction and Expansion of Air by Experihub Student
When we heat air, the kinetic energy of these molecules increase and they begin to move farther apart...
Make a Dancing Steam Engine out of a empty Coke can!
A steam engine is a heat engine that performs mechanical work using steam as its working fluid. The steam engine uses the force produced by steam pressure...
DEATH OF THE MILKY WAY – THE ANDROMEDA-MILKY WAY COLLISION
You’d probably be scared if I told you a huge asteroid is going to collide with our planet...
PHASES OF THE MOON. DOES THE MOON CHANGE SHAPE?
Do you ever just look at the moon & say to it “Wait you weren’t like this a...
Waves we don’t see (Light & Sound)
When we think of waves, we think of a sea beach with waves hitting the shore or a...
The invisible force (Electricity & Magnetism)
It is not even 150 years when James Maxwell confirmed that electricity and magnetism were not different forces...
Newton’s World (Force around us)
Can you imagine a world where nothing ever changes? No one moves. Nothing even stirs. Like a dead,...