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Chemistry Unit’s Defining Concept:
Chemistry Unit’s Defining Concept:
Atoms are the building blocks for all known matter in the universe. There are only 92 naturally occurring atoms from which matter can be built. Knowing the characteristic properties of each allows for a much richer understanding of our natural world and the universe to which we belong.
Atoms are the building blocks for all known matter in the universe. There are only 92 naturally occurring atoms from which matter can be built. Knowing the characteristic properties of each allows for a much richer understanding of our natural world and the universe to which we belong.
BUSY WATER.movVideo #31 (May 21) Washable Inks & Their Polarity
Polarity = polar strength = magnetic strength (kinda). In Crayola black washable ink, why was red left behind first while blue climbed the highest. It has to do with each of these component inks having different polarities.
Getting Water Busy.movVideo #30 (May 20 ) Why We Used 5% Saltwater?
So, why did we use 5% saltwater instead of tap water?
Black Crayola 6x.MOVVideo #29 (May 20 ) Crayola Washable Ink Timelapse
Watch how Crayola washable ink separates in six different solvents.
SOAP.movVideo #27 (May 15 ) How Does Soap Work?
In case you wanted to know . . . soaps have to be able to work with water (polar molecules) and things that water can't work with (non-polar molecules). Hmmm. How can this happen?
Brainpop Chem Bonds 3.movVideo #25 (May 10-13) Chemical Bonding (3 of 3)
We watched two BrainPop videos. This is the reinforcing PowerPopint presentation shown in class.
Brainpop Chem Bonds 2.movVideo #24 (May 10-13) Chemical Bonding (2 of 3)
We watched two BrainPop videos. This is the reinforcing PowerPopint presentation shown in class.
Brainpop Chem Bonds 1.movVideo #23 (May 10-13) Chemical Bonding (1 of 3)
We watched two BrainPop videos. This is the reinforcing PowerPopint presentation shown in class. It's a bit long, so it has been divided up into three parts.
NJSLA Conservation of Matter 2024.movVideo #22 (May 6-7) Conservation of Matter
VERY important concept! We don't create matter, nor do we destroy it. During chemical reactions, the atoms in the reactants rearrange into different molecules found in the product. Same dancers, same number of dancers --> different partners.
What It Is Not.movVideo #21 (May 6-7) Changes in Matter (2 of 2)
This is from 2022, but it really gets into why mixing 6.1 grams of baking soda with 50 mL of vinegar leaves us with neither baking soda nor vinegar. What evidence do we have for such a statement?
Conservation. of Matter NJSLA 2024.movVideo #20 (May 6-7) Changes in Matter (1 of 2)
Video #19 (May 1-3) Describing Matter
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