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    • Ants can Build Rafts to Escape Floods
    • Ants can build rafts to escape floods. These are not boats made of wood or leaves, but of fellow ants behaving in a collective structure for the greater good of the nest. During a heavy rain season, people living in flood plains have observed ...
    • Why do we have leap years?
    • We know that leap year occurs after every four years. Earth revolves around the sun in 365 days, five hours, 48 minutes and 46 seconds but we take one year of 365 days. There is still five hours left for the earth to complete its ...
    • Why do the days get shorter in winter?
    • There is less daylight in the winter than in the summer. You might notice that in July it could stay light out until 9:00 at night, but it gets dark much earlier in October. We know that earth is tilted at a particular angle and ...
    • Shoe Odor- Get rid of it
    • Are you embarrassed to remove your shoes in front of others? Do you wish to throw away your favorite pair of shoes due to the foul smell it transmits? If the answer is yes, the good news is that you do ...
    • How to Remove Ink Stains from Clothes Easily?
    • Ink stains can be caused by several common culprits: broken pens, bleeding print, leaky toner cartridges, or tipped-over ink bottles. Regardless of the cause, there are many methods that people can ...
    • How to Remove Mud Stains
    • Every time it rains the most common results are mud stains. How can you stop your children jumping in the puddles or playing football on a muddy field? They enjoy it so much but, ...
    • How to Remove Water Stains
    • If you have hard water in the home, it means that your H2O contains large amounts of minerals, such as limestone, calcium, and magnesium. It’s perfectly safe to use but it can ...
    • How to Remove Ring-Around-the-Collar?
    • Ring-around-the-collar is an unsightly stain that happens inside the collars of dress shirts, or other shirts with stiff collars. It often builds up slowly until it is visible as a yellowish-brown stain and it is difficult to remove. It can cut the ...
    • Why does Snowfall occur?
    • Snow begins in the atmosphere as water condenses into a tiny droplet. As more and more water vapor condenses onto its surface, the droplet grows. Cold air then freezes this water into an ice crystal. Each ice crystal has a unique shape that depends on ...
    • Why Do Stars Twinkle?
    • At night, we see millions of twinkling stars in the sky. In all directions light is radiated by these stars. Even if they look very small in size however, actually they are very big in size. Most of the stars are ...
    • What Causes Monsoons to Occur?
    • A monsoon is a seasonal change in the direction of the prevailing wind. This wind shift typically brings about a marked change in local weather. Monsoons are often associated with rainy seasons in the ...
    • What Colors Mean: Black
    • Black is the color of coal, ebony, and of outer space. It the darkest color, the result of the absence of or complete absorption of ...
    • What Colors Mean: White
    • Fresh milk and snow both are the color white. White contains all the wavelengths ofvisible light without ...
    • What Colors Mean: Yellow
    • Yellow is the color of gold, butter, or ripe lemons. In the spectrum of visible light, and in the traditional color wheel used by painters, yellow is ...
    • What Colors Mean: Purple, Violet
    • Purple is a range of hues of color occurring between red and blue. In additive light combinations it occurs by mixing the primary colors red and blue in varying proportions. It is a secondary color because ...
    • What Colors Mean: Blue
    • Blue is the colour of the clear sky and the deep sea. On the optical spectrum, blue is located between violet and ...
    • What Colors Mean: Green
    • Green is the color of emeralds, jade, and growing grass. In the continuum of colors ofvisible light it is located between yellow and blue. Green is the ...
    • What Colors Mean: Red
    • Red is the color of blood, a ruby, and strawberries. Next to orange at the end of thevisible spectrum of light, red is ...
    • Why Can’t We See Stars During The Day?
    • After the sunset the stars become visible in the sky. When the darkness of sky increases, the number of stars and their brightness also increases. As the sun come up to the sky, the number of ...
    • PLANET EARTH: HABITATS
    • A habitat is a place where plants and animals live, and provides them with food and shelter. It can be very small, such as a ...
    • PLANET EARTH: RAIN
    • The moisture gathered in clouds eventually falls to the ground as liquid rain or drizzle, or as ...
    • PLANET EARTH: CLOUDS
    • Air always contains some water vapour from oceans, lakes, and the ground. Clouds form when the air cools below a ...
    • PLANET EARTH: WIND
    • Wind is the movement of the atmosphere. The atmosphere moves because the Sun heats the ...
    • Five Kingdoms of Life
    • Every living creature on Earth belongs to a kingdom. Scientists debate how many kingdoms there are, but most ...
    • PLANET EARTH: WEATHER
    • The weather is the day-to-day condition of the atmosphere at a particular place and time – whether the air is ...
    • PLANET EARTH: CLIMAT
    • Every part of Earth has its own climate – the typical pattern of weather over a long period of ...
    • PLANET EARTH: OCEAN FLOOR
    • Just a century ago, the ocean floor was largely unknown. Now we know that the deep oceans have features such as ...
    • PLANET EARTH: OCEANS
    • About 71 per cent of our planet’s surface is covered by oceans and seas. In order of size, the five great oceans are the ...
    • PLANET EARTH: COASTS
    • Coasts, which form the boundary between land and ocean, receive a constant battering from the wind and ...
    • PLANET EARTH: ICE
    • About one-tenth of Earth’s dry land and one-eighth of its oceans are covered with ice. This ice is made of ...
    • PLANET EARTH: SEDIMENTS
    • The rocky material that is transported and DEPOSITED by rivers, seas, glaciers, and the wind is ...
    • PLANET EARTH: SOIL
    • Much of the solid bedrock of the Earth’s crust is covered in soil. This loose, soft material is a ...
    • PLANET EARTH: EROSION
    • The process that breaks up and carries away the rocks and soils that make up the Earth’s surface is ...
    • GEOLOGICAL TIME
    • Geologists (scientists who study rocks) divide the time since the Earth was formed until today into ...