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
Salt as Preservative for Mango Pickle
Splash of colors - Painting
Why Salt Is Sprinkled On Driveways In Cold Countries
Play with the Mehandi Cone
Glitters , Colours and Shapes for Preschoolers
How I Found Equal Weight Is Not Equal Volume
Zoo Activity
Make a Fish
How I Bent My Scale In Water
How I Turned Into A Smart Egg Buyer
How I Played With Alphabets And Hints And Formed Words.
Small Science Tour for your kindergarten kids
Gravity
Science and Fun with Balloon and the hair
Effects of Color and Heat
Make a Dog with shapes
How I Freeze Dried And Ate A Fresh Apple
Balloon as a Sound Amplifier
Hot and Warm air requires more space than Cool air
Simple light experiment for Kindergarten