Supplies: Frozen Bottle, Penny, Water
What happens: Freeze the bottle for 30 minutes. Wipe water around the bottle opening
and set the penny on top. In a few minutes the penny will start moving...move it back into
place and watch it move several times.
Explanation: As the cold air warms it expands pushing air out of the bottle.
Supplies: Pencil, String, Bottle
What happens: Create a pulley that causes the pencil to rise.
Explanation: A pulley is a simple machine that often helps make it easier to lift things.
|Ghost Of Christmas Past #1
"Making Science Scrooge~tacular!"
|Christmas is cancelled
if I catch 3 ghosts!
|Ghost Of Christmas Present #2