A brief description about matter changes

1. SCIENCE-THIRD PRIMARY YEAR
CEIP CORTES DE ARAGÓN
(Teacher: Miguel Navarro)

3. - MATTER IS ANYTHING WE CAN SEE, TOUCH, TASTE OR
SMELL
- EVERYTHING IS MADE UP OF MATTER
- WE CAN DISTINGUISH 2 DIFFERENT TYPES OF MATTER
CHANGES:
- PHYSICAL CHANGES
- CHEMICAL CHANGES

4. 1.- PHYSICAL CHANGES1.- PHYSICAL CHANGES
- WHEN WE CHANGE SHAPE, SIZE, COLOUR OR STATE WEWHEN WE CHANGE SHAPE, SIZE, COLOUR OR STATE WE
ARE MAKING PHYSICAL CHANGES. EXAMPLES:ARE MAKING PHYSICAL CHANGES. EXAMPLES:
• CHANGE OF STATE:CHANGE OF STATE: WHEN WE CHANGE THE STATE OFWHEN WE CHANGE THE STATE OF
WATER FROM A LIQUID TO A SOLID BY FREEZING IT ANDWATER FROM A LIQUID TO A SOLID BY FREEZING IT AND
MAKING ICEMAKING ICE
• CHANGE OF SHAPE:CHANGE OF SHAPE: WHEN WE BEND, TWIST, PRESS ORWHEN WE BEND, TWIST, PRESS OR
STRETCH PLASTICINESTRETCH PLASTICINE

5. 2.- CHEMICAL CHANGES2.- CHEMICAL CHANGES
- IN A CHEMICAL CHANGE, THE MATTER CHANGES INTO
DIFFERENT MATTER
- COMBUSTION, OXIDATION AND COOKING ARE CHEMICAL
CHANGES
• COMBUSTION
- WHEN WE BURN WOOD OR PAPER THE MATERIALS
TRANSFORM INTO SMOKE AND ASHES

6. • OXIDATION
- THE METAL CHANGES INTO RUST
• COOKING
- WE TRANSFORM INGREDIENTS INTO A NEW FOOD

7. • OXIDATION
- THE METAL CHANGES INTO RUST
• COOKING
- WE TRANSFORM INGREDIENTS INTO A NEW FOOD