Emi drops a cup of baking soda into a glass container that has vinegar at the bottom of it. Then, she quickly puts a balloon on top of the container. What do you predict will happen to the balloon?
Which of these substances is NOT an acid?
One of the alchemist's main goals was...
SELECT ALL THAT APPLY: Chemical reactions can cause which of these occurrences?
Laila has dull brown pennies and wants to make them look shiny and new. She mixes salt and vinegar together in a container and adds the pennies to the solution. She waits a few minutes, then takes them out and voila...they are shiny and new!
If Laila weighs the salt and vinegar solution and the pennies after the experiment, what do you think she will find?
The alchemists claimed that "ordinary metals can be transformed into gold." Based on what you learned through experimenting with metals and acids, is this statement true or false?
When you left the steel nail and copper pennies in a bag of vinegar and salt, the nail turned copper-colored. What happened?
All acids are dangerous.
SELECT ALL THAT APPLY: Why are acids used in food?
Which is NOT an example of a chemical reaction?