Mixtures, Solutions and Physical Reactions Created by Deborah Lyman © April 2012

Hold on to your hats because here we go!!! Video One Video Two

In your science journal, write two sentences that describe what you think is happening to the liquid nitrogen in the videos.

Objectives  Objective 1: Students will be able to demonstrate an example of a physical change  Objective 2: Student will be able create mixtures and solutions  Objective 3: Students will analyze a classroom demonstration to determine if it is an example of a mixture, solution or physical change  Objective 4: Students will plan and construct a classroom demonstration that includes an example of a mixture, solution and a physical change

Matter  matter is anything that has mass and occupies space

States of Matter  Matter can be found in three states: liquid, solid, or gas

Liquid  flowing freely but of constant volume (amount of it doesn’t change) such as oil or drinking water

Gas  expands freely to fill any space available (air, steam, fog)

Solid  Firm and stable in shape; not liquid or fluid. Some examples would be ice or rocks

Physical Change  physical change is when matter changes from one state to another or is changed in shape or temperature

Physical Change  m/articles/physical- change-examples.html m/articles/physical- change-examples.html

Mixture  two or more different kinds of matter or substances, each of which keeps its own physical properties

Solution  mixture in which substances are dissolved to create one substance

Video One Video Two