One ragweed plant can release as many as one billion grains of pollen!
51
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Balsa wood is classified as a hard wood!
41
Sound at the right vibration can bore holes through a solid object.
134
Billions of neutrinos pass unnoticed through your body every second.
6
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
For every gallon of sea water, you get more than a quarter pound of salt.
45
A ball of glass will bounce higher than a ball made of rubber.
73