Show:
Solutions
Acids and Bases
Chem/Phy Changes
Mass and Matter
Energy
100
What are the two parts of a solution?
solute and solvent
100
What is a term for eating away at something?
Corrosion
100
Give an example of a physical change.
What is nothing new is made.
100
The measurement of how much matter an object contains?
What is mass
100
What is energy of matter in motion called?
What is kinetic?
200
What is one way to increase the solubility of salt in water?
Heat, stir, crush, grind
200
What is the taste of an acid?
Sour
200
Give an example of a chemical change?
What is something new is made
200
Anything that has mass and takes up space?
What is matter?
200
What is the ability to do work or to cause change.
What is energy?
300
What type of solution would weak tea be?
A dilute solution
300
What is the taste of a base?
bitter
300
Substances that cannot be broken down chemically into other substances are called what?
What is an element.
300
The measurement of how much mass is contained in a given volume?
What is density?
300
What is energy of position called?
What is potential energy?
400
What is a solution where you add so much solute no more dissolves?
saturated solution
400
What color does litmis paper turn for an acid?
blue to red
400
All elements are composed of extremely small particles called what?
What is an atom.
400
How do you calculate the density of an object?
What is mass divided by volume.
400
What S.I. units is energy measured in?
What is Joules.
500
What happens to the freezing point when a solute is added to a solvent?
The freezing point is lowered
500
What is What ion does the pH scale measure?
the H+ ion
500
What holds atoms together in molecules?
What is chemical bonds?
500
What is the density for a block of wood that has a mass of 100kg and a volume of 5cm cubed.
What is 20g/cm cubed?
500
Radio waves, visible light, infrared heat, microwaves UV and x-ray are all considered what types of energy?
What is electromagnetic energy?