kidzpark
Home | FAQ | Contact Us | View Cart | Login / Register  


Kids Science Activities

Water density
Materials Required
  • Four empty glasses
  • Salt
  • Blue , Black and Red ink
  • Cold water
  • Hot water
  • Test tube or any thin transparent bottle.

How to do it

  • Label the 4 glasses as hot water, cold water, hot salt water, cold salt water.
  • Add few s of blue ink in one glass, few s of black ink in another and few s of red ink in the third. Leave one glass as it is.
  • Add salt in two glasses where salt is mentioned on the label. Stir well so that the salt dissolves fully.
  • Add cold and hot water as per the label on the glass.
  • Take the test tube or thin bottle and slowly pour the cold salt water into the test tube till it fills to 1/4.
  • Slowly pour same quantity of cold water into it.
  • Slowly pour same quantity of the hot salt water into it.
  • Slowly pour same quantity of hot water into it.
  • Ask the child to observe what happens. It should form 4 different layers.
  • As the density is variant, the 4 layers are formed. Also because of the colours, child could see the different layers.

Explanation

The density of the water varies when the salt is added and the density varies when there is different in temperatures.


Add to My Article | Refer this Article | Print this Article


Write your Comments on this Article
Article Title Water density
Your Name
Place of Residence
Your E-mail
Your Comment
 
Security Validation
Enter the characters in the image above
 
Kindergarten Activities
Arrow with shapes
Energy Transferred Through the Balls - cr
Magnetic And Non Magnetic Objects
How I Discovered Light Helps Me See Things
Ice and salt
How I Enjoyed Being The Joker And watching Him Too!!
Fish and Bubbles
Water Cycle - Evaporation, condensation and precipitation
How No Water Escaped From My Upside Down Tumbler.
Sources of Light
Cloud inside the Bottle
Science during bathing
Swinging Balloon
How To Make My Own Spray Painted Bed Sheet.
Egg - float or sink
Effects of Shape and Heat
Magnetic Attraction And Repulsion
Newspaper Burns Better Than Writing Paper
Tracking Animals
How I Learnt How Boats Sink, Float And Topple.