For the 2018-19 school year, buy a copy of the lab book Chemistry on a Budget. It’s a great resource for your class!
There are two versions of each lab, one with a ten-question conclusion and one with directions for a full lab report. This way the teacher has the option! Each lab is two pages to allow for one two-sided handout.
A 5-Star Customer Review of Chemistry on a Budget at amazon.com states:
“[S]traight forward, to the point, using household chemicals…this is the lab book for you.
I teach high school chemistry and this is exactly what [I] was looking for. Labs included simple household chemicals that could be easily found. Nice format, easy to follow along procedures, and touches on every topic of our chemistry curriculum.”You can buy this lab book for $23 at amazon.com or lulu.com. It will take 1-2 weeks to get to you -- Order Now. It’s a great resource!
*Some of you have already purchased my lab book – be sure to check out Page 141 !
“After an extensive consultation with the chemistry community, and following a review and critical evaluation of the literature, IUPAC is recommending a new definition of the mole based on a specified number of elementary entities:
The mole, symbol mol, is the SI unit of amount of substance. One mole contains exactly 6.022 140 76 × 1023 elementary entities. This number is the fixed numerical value of the Avogadro constant, NA, when expressed in mol−1, and is called the Avogadro number.
The new definition is published in the January 2018 issue of IUPAC journal Pure and Applied Chemistry and is readily available online. This IUPAC recommendation includes a discussion and explanatory notes. An earlier Technical Report published in July 2017 included more details and the critical review of the proposed definition of the fundamental chemical quantity ‘amount of substance’ and its unit the ‘mole’.”
“The mole became part of the International System of Units (the SI) in 1971. Currently, it is defined as the amount of substance that contains as many entities as there are in 0.012 kg of carbon-12. But the need to redefine the kilogram has been discussed for decades – not least because of the long-term instability of ‘Le Grand K’, the artefact that defines the kilogram. Following the success of the 1983 definition of the metre, which is based on the speed of light in vacuum, the International Committee for Weights and Measures (CIPM) decided that this is also an opportune time to recast the definitions of all SI base units in terms of the most stable things known to scientists: physical constants.”
“Iupac’s [International Union of Pure and Applied Chemistry] new definition describes the mole as containing exactly 6.02214076 x 1023 (the Avogadro constant) elementary entities.
Textbooks published from 1971 onwards are likely to define a mole as the mass of substance containing the same number of fundamental units as there are atoms in exactly 12.000 g of 12C.
The new definition stresses that moles are to do with counting entities rather than measuring the mass of a sample of something else.”
“Iupac’s new mole definition will be considered by the General Conference on Weights and Measures – the only body that can make changes to the SI – in November this year and, if accepted, will become the official one in May 2019.”
The celebration of Mole Day on Tuesday, 10/23/2018. Some past blog posts include:
01/10/2014 2nd Entry (Mole Conversions and
10/20/2014 Celebrating Mole Day
10/15/2015 Mole Mathematics
10/15/2016 Mole Day is Coming!
Here are several past blog posts that you will find useful for the Beginning of the School Year:
07/06/2014 Decorating Your Classroom
07/13/2014 Chemistry Laboratory Safety
07/20/2014 Classroom Grading Programs
07/27/2014 Classroom Ideas –Daily Announcements
and Teacher Websites
08/03/2014 Lab Report Help
08/10/2014 Lab – Reaction in a Bag
03/25/2015 Your School Library
08/27/2015 Outlines for Student Notes
09/17/2015 Multiple Versions of Quizzes and Tests
11/27/2015 Your School Library II
08/28/2016 The First Days of School
01/12/2018 Grading Rubrics for Lab Reports
08/17/2018 Chemistry Using Virtual Reality
For the 2018/2019 school year, buy a copy of the lab book Chemistry on a Budget – it is a great resource! You can examine the labs and decide what you want to use during the school year.
*This Blog contains several entries that would be helpful to your chemistry classroom. Check out the Topic List to help you to find past Blog entries.
Also, Write To Me about your successes, challenges, or questions in the Chemistry Classroom.
Have a great weekend!