Physicalvs.

ChemicalChanges

Anything with

mass AND volume

A characteristic of matter such as size, shape or phase

can be observed (with your senses) and measured.

Density, boiling point, melting point,

hardness, mass, volume, color, size,

shape, texture, malleability, viscosity, smell, taste and more!!!

A property of a single substance that cannot be easily observed

describes how the substance likes to combine (REACT) with other substances.

flammability and reactivity

Properties of Matter Rap

X

XX

XXXXX

XXX

X

X

X

Keeps most properties, DOES NOT create a new substance

Changing shape of something, changing its phase, adding paint, making smaller pieces

Beautiful Chemistry:-Crystallization-Compare Liquids and Gases

Physical Changes

Gallium Spoon has a Very low melting point

Physical Changes

Not all color changes are Chemical Changes

A NEW substance is created, two separate substances combine and rearrange their atoms. The new substance will have DIFFERENT properties.

Beautiful Chemistry: -Gas Released-Color Change-Precipitate Formed 1, Precipitate Formed 2-New properties

Beautiful Chemistry Website

Chemical Changes

Chemical Changes

Slo Mo Match Strike

P

P

P

P

P

P

C

PP

C

C

C

C

C

C

C

P

Changing shape

Boiling- phase change

New properties, something new created (dirt)

phase change

phase changeNew properties, something new created

Same properties, nothing new created

Same properties, nothing new created

New properties, something new created (iron oxide)

New properties, something new created

Something new created (photosynthesis, new cells)

Changing shapeNew properties, Energy! created

Same properties, nothing new created

phase change

Energy change!

Day 2

Let’s Review What We Know! (use your Physical Vs. Chemical Properties notes!)

Does not create a new substance- keeps most properties

Ex: changing shape (cutting, breaking) adding color (paint, markers)

A new substance is created. Atoms or Molecules are rearranged to form something with different properties.Energy changes.

If we have time…

• Pick a partner. Send one of your pair up to get a bag for the physical vs. chemical change sorting game.

• Pull out the examples and make two piles:– physical changes– chemical changes

• Record your answers on your demo data sheet (bottom of the back).