Day Thirty Eight Overview
- warmed up with a challenge to the student where I asked "how many atoms are in one grain of salt?"
- students were amazed by the number, 120,000,000,000,000,000!
- the students watched a TedTalk video which explained just how small an atom is through the use of analogies
Just How Small is an Atom?
- students took notes on what the information in a periodic table square actually means
Element Atomic Info Notes
- students were then able to take a square on the periodic table and figure out exactly how many protons, neutrons, and electrons are in one atom of that elements
- they were able to do this by using the atomic number and the atomic mass
- students practiced this skill with a few elements on the periodic table
- the students then used the information they had determined, and applied it to drawing pictures of atoms of specific elements
HW
- draw a picture of one atom of an element with an atomic number greater than 10
- it will be checked the next day in class
Science News
Oil-Dispersing Chemicals Had Little Effect on Gulf Oil Spill
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