Basic Elements
On the periodic table, which element has the symbol "O"?
Oxygen
This a reaction where a new substance is created.
Chemical reaction
Describe what we learned in the density experiment with the honey, oil and water.
Honey, oil and water have different densities and will not combine. We were able to test the density of other objects by dropping them in the liquid mixture.
What is H20 commonly referred to as?
Water
On the periodic table, which element has the symbol "N"?
Nitrogen
Anything that has mass and occupies space.
Matter.
Describe what happened when we added baking soda and vinegar to the cabbage water.
Acid- vinegar- cabbage water turned pink
Base- baking soda- cabbage water turned blue/green
What is the first element on the periodic table?
Hydrogen
On the periodic table, which element has the symbol "Si"?
Silicon
The word for chemists comes from a group of people who created things seemingly through magic in the 1600s. What were they called?
Alchemists
Why did the ziploc bag expand when the baking soda and vinegar were added to it?
What's the center of an atom called?
On the periodic table which element is represented by the symbol "AS"?
Arsenic
A compound with a pH less than 7
Acid
Name two ingredients that were used in the invisible ink project?
Baking soda, rubbing alcohol, turmeric
What is it called when a substance has a pH of exactly 7?
Neutral
On the periodic table what element is represented by the symbol "AU"?
Gold
A substance with a pH higher than 7
Base
Name 3 ingredients that were used in the iodine clock experiment that turned a clear mixture black?
Hydrogen peroxide, vitamin C, iodine, water, cornstarch
What is the third most common gas in the air we breathe?
Argon