Gases
What gas do we need to breathe in to survive?
oxygen
What metal gives pennies their reddish-brown color?
copper
What chemical in coffee, cola, and energy drinks is prized for its ability to keep people alert?
caffeine
C
carbon
What is the chemical formula of water?
H2O
What gas do plants need in order to do photosynthesis?
carbon dioxide
What US coin is named for one of the metals it is composed of?
nickel
What chemical in tobacco (cigarettes) raises a person's heart rate and is quite addictive?
nicotine
H
hydrogen
What chemical is put in most common toothpastes to help prevent cavities?
fluoride
What gas is used in balloons to make them float?
helium
What lightweight metal that forms thin sheets can be purchased at any grocery store?
aluminum
Before Tylenol (acetaminophen) and Advil (ibuprofen), what was the most common over-the-counter pain reliever?
aspirin
Cl
chlorine
What intensely green chemical is the pigment that captures light in plant leaves?
chlorophyll
What gas comprises most of our atmosphere?
nitrogen
What metal is liquid at room temperature and is very toxic?
mercury
Sodium bicarbonate and acetic acid are often combined to create the famous volcano demonstration. What is the household name of acetic acid?
vinegar
Ca
calcium
Amino acids are used to make what macromolecules?
proteins
What gas exists in a thin layer in Earth's stratosphere in order to protect us from harmful radiation from the sun? (Which is why we don't want it to form a "hole.")
ozone
What metal is present in milk and is good for keeping our bones strong?
calcium
Sodium bicarbonate and acetic acid are often combined to create the famous volcano demonstration. What is the household name of acetic acid?
baking soda
K
potassium
What chemical is a hormone that helps cells absorb glucose?
insulin