pH Levels
What is the range of acids on the pH scale?
0-7
What is Cohesion?
Give an example.
The attraction between molecules that are alike.
Water drops staying on a penny.
Give an example of a solution.
Salt (solute) and water (solvent) mixed together.
What will cause something to dissolve fast?
Stirring and making it hot.
Example: whenever you make tea or coffee. or add kool aid powder you stir.
What are the 3 states of matter?
Solid, Liquid, Gas.
What is the range of bases on the pH scale?
7-14
What is adhesion?
Give an example.
The attraction between molecules that are not alike.
Water sticking to glass.
Salt water is an aqueous solution.
What is the Solute?
What is the Solvent?
Salt is the Solute.
Water is the Solvent.
What is a Heterogenous mixture?
Give an example.
A mixture where you can see the different parts.
Example: Salad
(You can easily remove each part)
What do you call movement energy?
Kinetic Energy.
What is litmus paper?
It is a way to test the pH of substances.
What is surface tension?
Give an example.
The uneven forces acting on the particles on the surface of a liquid.
Paper clip on top of water or water bug.
What is concentration?
What is Dilution?
Concentration is how much of the solute is in a solution compared to the solvent.
Dilution is how much solvent is in the solution compared to the solute.
What is a Homogenous mixture?
Give an example.
A mixture that is the same throughout.
Salt water.
What state of matter has the most kinetic energy?
Gases