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Kids Science

EROSION
What is erosion?Erosion is the wearing away of the land by forces such as water, wind, and ice. Erosion has helped to form many...
Stars
What is a star? Stars are giant spheres of superhot gas made up mostly of hydrogen and helium. Stars get so hot by burning...
Black Holes
The NASA/ESA Hubble Space Telescope has captured this vivid image of spiral galaxy Messier 77 — a galaxy in the constellation of...
Planet Uranus
What is Uranus like?Uranus is the 7th planet from the Sun. It is more than twice as far from the Sun as Saturn. Uranus is a gas...
Planet Saturn
What is Saturn like?Saturn is the sixth planet from the sun. It is most famous for its beautiful giant rings. Saturn is the...
Planet Jupiter
Moons: 63 (and growing)Mass: 318 times the mass of EarthDiameter: 88,846 milesYear: 11.9 Earth yearsDay: 9.8 hoursTemperature: -...
PLANET MARS
What is Mars like?Mars is the 4th planet from the Sun. It is a terrestrial planet which means that it has a hard rocky surface...
I yearn to be the President of Sri Lanka
My name is Sandali Rangika Sewwandi. I study in Grade Eight at K/Pushpadana Girls’ College. My ambition is to become the...
Planet Earth
We obviously know more about Earth than any of the other planets. Earth is the largest of the four terrestrial planets, the other...
Astronomy for Kids
What is Astronomy?Astronomy is the branch of science that studies outer space focusing on celestial bodies such as stars, comets...
Diseases: Cancer
(Continued from last week) Typical symptoms There are different types of cancers, that there are different symptoms....
Diseases - CANCER
What is cancer? Cancer is any disease caused by uncontrolled cell growth. Abnormal cells begin to divide and make tumours. They...
Epidemics Historic Epidemic and Pandemic Diseases
Throughout history there have been times when diseases have spread rapidly through the human population. Sometimes these diseases...
The Cell
WATER
   Water is one of the most important substances on planet Earth. All forms of life need water to live. Water is...
Composition of the Earth
  It may seem like the Earth is made up of one big solid rock, but it's really made up of a number of parts. Some of them...
What are viruses?
  Viruses are very small particles that can infect animals and plants and make them sick. Viruses are made up of genetic...
Are viruses alive?
  Scientists differ on whether viruses are actually alive or not. Many people say they are non-living because they cannot...
Characteristics of viruses
   *They do not have an organized cell structure. *They have no cell nucleus. *They typically have one or two...
Why are viruses bad?
  When viruses invade a body's cells and begin to multiply, they make the host sick. They cause all sorts of diseases. 
How are viruses treated?
  There is little that doctors can do to treat viruses. In most cases our body's immune system fights off the virus....
How do viruses spread?
  Viruses are very small and lightweight. They can float through the air, survive in water, or even on the surface of your...
Examples of viruses
  There are many viruses that can infect people and make them sick. One of the most common is influenza which causes people...
Infectious diseases
  What is an infectious disease? An infectious disease is any disease caused by a pathogen (germ) such as a virus,...
DNA and Genes
  DNA is an essential molecule for life. It acts like a recipe holding the instructions telling our bodies how to develop...
Flowering plants
  Life-cycle of a flowering plant Flowering plants follow a specific life cycle. 1.Seed - They begin their lives as seeds...
Plant defences
  From the smallest insect to the largest mammal, most animals eat plants. These animals are called herbivores. At first,...
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