Gravity ...
... the force of attraction between any two bodies. It increases with increasing mass of the bodies and decreases if they are further apart. What goes up must come down :-).
For: science contest
... the force of attraction between any two bodies. It increases with increasing mass of the bodies and decreases if they are further apart. What goes up must come down :-).
For: science contest
The demonstration of elastic collisions between metal balls to show conservation of momentum and energy.
For: science contest
.... no enhancements required.
For: traces contest
... a recent special occasion.
For: beverages contest
For: paint contest
For: present vs future contest
:-)
For: math contest
... should get me through the week.
... except for human intervention.
... but well used.
For: leather contest
bleached by the sun.
For: white contest
in my kitchen
For: three bears contest