Hickory, dickory, dock!
(tick tock)
The mouse ran up the clock;
(tick tock)
The clock struck one,
The mouse ran down,
Hickory, dickory, dock!
(tick tock)
Hickory, Dickory, Dock!
Hickory, Dickory, Dock!

For Kids
Science that results in new discoveries takes time—often many years. Scientists follow what is called the scientific method when they do research. Learn the steps and try your own experiments using it.
For Teachers
Teach and put into practice the process of scientific inquiry with your middle-school students, using this curriculum from NIH.