pH Basics
This number on the pH scale represents a neutral solution.
What is 7?
Solutions with a pH below 7 are classified as this.
What are acids?
This type of paper changes color to indicate pH.
What is pH paper or litmus paper?
Human blood pH must stay between this narrow range to maintain health.
What is 7.35 to 7.45?
This type of precipitation has a low pH and can damage plants and buildings.
What is acid rain?
The pH scale ranges from this number to this number.
What is 0 to 14?
This characteristic is common to bases and makes them feel slippery.
What is a slippery feel?
This electronic device gives a precise pH reading.
What is a pH meter?
These biological catalysts work best at specific pH levels.
What are enzymes?
The process of oceans becoming more acidic, threatening marine ecosystems, is called this.
What is ocean acidification?
pH stands for this, relating to hydrogen ions.
What is "potential of Hydrogen"?
Acids turn this color of litmus paper to red.
What is blue?
These chemicals change color at specific pH levels and are used to measure pH.
What are indicators?
The pH of this can significantly affect plant growth in agriculture
What is soil?
Swimming pools use this to balance pH for comfort and safety.
What are pH-balancing chemicals (or chlorine)?
Each whole number change on the pH scale represents this much change in acidity or alkalinity.
What is a 10-fold (or 10 times) change?
This household item, often used in baking, is an example of a base.
What is baking soda?
In a neutralization reaction, an acid and a base combine to form this and a salt.
What is water?
This bodily system uses a bicarbonate buffer to maintain a stable pH.
What is the blood (or circulatory system)?
This environmental factor related to pH affects the availability of nutrients for plants.
What is soil pH?
What are the numbers on the pH Scale?
What are 0 - 14?
What is Alkaline?
The difference of an Acid and a Base/Alkaline is this.
What is....
pH is important to the human body for this reason.
What is homeostatis?
What is.....