Important Vocabulary Words for Mixtures and Solutions Dissolving

Important Vocabulary Words for Mixtures and Solutions

Dissolving • We say a substance _______if it spreads apart when added to a solvent (like water) so we can’t crystals/grains anymore. • Dissolving is a complex physical and chemical process! • The substance is still there! We just can’t see it because it has spread apart. • Question: How is dissolving different from melting? • Answer:

Solubility A substance is ______if it dissolves in water. Example: We observed in class that rock salt is ______in water. After adding it to water, it spreads apart so we can no longer see it!

Solubility • A substance is _______if it will NOT dissolve in water. • Example: We observed in class that zinc oxide is _______in water. After adding it to water, we can still see the zinc oxide. . . it doesn’t “go” anywhere!

Solutions • A _______is the “larger part” of a solution. Usually, the _______is a ______. = + SOLUTE SOLVENT SOLUTION

Solutions • A _______is the “smaller part” of a solution. Usually the ______is a ______. = + SOLUTE SOLVENT SOLUTION

Solutions • When a _______and a _______are mixed together, this forms a _______. = + SOLUTE SOLVENT SOLUTION

Types of Mixtures When a _____dissolves in a ______to make a _________, this is called a ________MIXTURE. You cannot see any “separate parts” because it is all mixed together thoroughly.

Types of Mixtures The other type of mixture is a __________ MIXTURE. With a ________mixture, you can see the different “_______” of the mixture.

FLASH CARDS • You will be making flash cards to help you learn today’s vocabulary! • Each flash card should contain the following: – The vocabulary word on one side – The definition and a picture on the other side • Example of a flash card: PURE SUBSTANCE FRONT BACK A substance that is made of only one thing/substanc e

FLASH CARDS • Each flash card should contain the following: – The vocabulary word on one side – The definition and a picture on the other side • Make flash cards of the following vocabulary words: – Solute Solvent Solution – Soluble Insoluble – Saturated Solubility *We have not learned these words yet! You will record pictures and definitions for them later. FLASH CARDS DUE: FRIDAY, FEBRUARY 17 TH