Lesson #1
What is a penny made out of?
Copper
What was the nail made out of that we dropped into the penny, salt and vinegar solution?
This person is a Fungi.
Who is Mr. Stultz?
What did we do in this activity that was creating new substances?
We tested many different substances together to try and create a slime or goo.
What were the two substances we mixed together?
Vinegar and Baking soda
What solution dissolved the most copper off the pennies?
Salt and Vinegar
What did we soak the pennies in for over 24 hours?
Vinegar and salt
When mixing substances, what do you need in order to observe a chemical reaction?
An acid AND a base
When you have two substances you're mixing what do you need to do to them in order to observe the reaction?
Mix them together with the toothpick
What did we do in this experiment? Why did we have to go outside?
We exploded bags using vinegar and baking soda.
What caused the pennies to be that dark brown color over a long period of time?
Exposed to oxygen (Oxidized)
What happened to the nail when we placed it in our salt and vinegar solution with the pennies?
What occured when we mixed the mysterious purple liquid with vinegar?
It turned pink instead of purple.
How are new substances (materials) created? Think about the latex example.
When you mix two or more substances together that is how we get new materials
Why were the alchemists' glass beakers shattering when they were mixing solutions in their labs?
The beakers were shattering because the solutions were creating a gas that was causing too much pressure on the sides and the gas couldn't escape.
What solutions did we dip our pennies into during this experiment?
Vinegar, Soapy water, Salt and Vinegar, Salt water
Can you turn any object into gold?
NO! You can coat it, but not change it.
What were the substances that caused chemical reactions in this experiment?
Baking soda and vinegar
Purple cabbage and vinegar
Baking powder and vinegar
What do fireworks, rubber and silly putty have in common?
They are all created using various substances that are mixed together and react together
Why did our baggies explode outside when we did this experiment?
The vinegar and baking soda reacted causing a gas to be produced and this caused the baggies to expand until there was too much pressure and they popped.
1982
Why did the alchemist leave with the king's money and never return to the town?
He tricked the king into thinking his sword was made out of copper, however it was just coated it did not actually turn to copper.
What are some examples of foods and drinks we have on a daily basis that are acidic?
Lemons, Limes, Grapefruits, Oranges, Vinegar, Pickles, Salad dressing, sour candy,
What were some of the substances we mixed together in this experiment?
Milk, baking soda, borax/water solution, glue/water solution, vinegar
No, not all explosions are dangerous and not all are used for destroying things. An example is fireworks, they aren't dangerous if you're using them right and they aren't used to destroy things.