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Voice Recognition

Chemical Tests

Chemical Tests


What is Matter?Acids and Bases (movie)
States of MatterpH Factor
States of Matter (Video, Sing, Quiz)

Alien Juice Bar

What is Matter?

The Virtual Kitchen

Solid, Liquid, Gas (Video)

Solid, Liquid, Gas!Elements

Changes of State

Element Concentration

Solid, Liquid, or Gas?Element Crossword Puzzle
What is Water?Element Flash Cards
Harcourt: States of MatterElement Hangman

Mixtures and Solutions

Separating Mixtures


Mixtures and Solutions

Chemistry for Kids


Chemical and Physical Changes

Mixtures and Solutions

Reversible/Irreversible Changes

Chemical and Physical Changes Lab
Changes Quiz!
Physical Changes Song!
Chemical Changes Song!

Third graders are learning about physical and chemical changes.

A physical change is a change to matter in which no new matter is formed. Physical changes may cause matter to look different.  Changing temperature can make matter change.  But in a physical change, no new matter is formed.  Here is a physical change: 





A chemical change is when the particles in the matter change and new matter is formed.  Cooking food makes new kinds of matter.  Flour, eggs, milk, and oil turn into pancakes.  The pancakes will never be just flour, eggs, milk, and oil again.  Burning and rusting are chemical changes. Here is a chemical change:



Solid, Liquid, Gas