physical and chemical changes l.
Download
Skip this Video
Loading SlideShow in 5 Seconds..
physical and chemical PowerPoint Presentation
Download Presentation
physical and chemical

Loading in 2 Seconds...

play fullscreen
1 / 10

physical and chemical - PowerPoint PPT Presentation


  • 102 Views
  • Uploaded on

physical and chemical

loader
I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
capcha
Download Presentation

PowerPoint Slideshow about 'physical and chemical' - guest26762


An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript
slide3

In CHEMICAL CHANGES

New substances are formed

a new substance forms

Wood

Ash

slide5

Chemical changes are IRREVERSIBLE

You cant UN-COOK AN EGG!

The change goes ONE WAY ONLY

slide6

In a PHYSICAL CHANGES

no new substance is formed

No new substance is formed

Changes of state

slide7

PHYSICAL CHANGES: Dissolving

When salt is added to water

The salt particles go into gaps between water molecules

When the water evapourates the salt reappears

slide8

More PHYSICAL CHANGES …….

Passing a ball

Formation of clouds

Squeezing a balloon

No new substance is formed

slide9

Physical changes are REVERSIBLE

The change can go two ways

Melting

Ice

Water

Freezing

Ice

Water

slide10

PHYSICAL CHANGES are reversible

The balloon returns

To its original shape

The cloud

evaporates