Physical Changes
What is a change in matter that does not alter its chemical composition?
What is a physical change?
What type of change results in the formation of new substances?
What is a chemical change?
What is a mixture of two or more substances?
What is a solution?
What is the term for the process of a solute dissolving in a solvent?
What is dissolution?
WHAT DOES SOLUBILITY MEAN?
CAN IT DISSOLVE
Name a common example of a physical change involving water.
What is melting, freezing, or boiling?
What are signs that a chemical change has occurred?
What are color change, gas production, or temperature change?
In a saltwater solution, what is the solute?
What is salt?
What happens to sugar when it dissolves in water?
What is the sugar molecules mix throughout the water?
WHAT CHANGE HAPPENS IF YOU SEE A COLOR CHANGE OF CLEAR LIQUIDS?
CHEMICAL
When ice melts into water, what type of change is occurring?
What is a physical change?
Give an example of a chemical change that occurs when cooking
What is baking a cake or frying an egg?
What is the process of mixing a solute into a solvent called?
What is dissolving?
What is an example of a substance that dissolves easily in water?
What is salt or sugar?
WHAT IS THE UNIVERSAL SOLVENT?
WATER
What happens to the apperence of a substance during a physical change?
What is the way it looks may change, but the substance remains the same?
What happens to the atoms during a chemical change?
What is they are forever changed and new ones form?
How does temperature affect the solubility of most solid solutes in liquids?
What is solubility generally increases with temperature?
Stirring, Which effects the rate of dissolution is called what in science?
What is agitation?
DESCRIBE WHY SURFACE AREA CAN CHANGE THE RATE OF DISSOLUTION
VARIES
Describe which change happens when paper is torn.
What is a physical change occurs because the paper's chemical composition remains unchanged?
Describe the process of rust forming on iron.
What is a chemical change involving a reaction with oxygen and moisture?
What is the term for a solution that has reached its maximum concentration of solute?
What is a saturated solution?
LIST THE 3 FACTORS THAT EFFECT DISSOLUTION
What is AGITATION, SURFACE AREA, AND TEMPERATURE
GIVE A REAL WORLD EXAMPLE OF EACH OF THE THREE WAYS OF DISSOLUTION WE TALKED ABOT
VARIES