Questions of the Week
What is the difference between mass and weight?
What is the formula to calculate density?
What is the formula to calculate volume?
How can you calculate the volume of an irregular object?
Scientist of the Week
I was born on September 6, 1766.
I was an English chemist, physicist, and meteorologist.
I am best known for introducing the atomic theory into chemistry.
I acquired much scientific knowledge from my informal instruction by John Gough, a blind philosopher
In 1787 at age 21 I began my meteorological diary in which, during the succeeding 57 years, I entered more than 200,000 observations.
Daily Questions
What are the three phases of matter?
What is the SI unit for weight?
What is the SI unit for mass?
What is the problem with measuring with some rulers?
What do you look for in reading the measurement in a graduated cylinder?