Monday, 3 October 2016

WHAT'S THE GLOBAL WARMING?

The Reality of Global Warming

OUR EARTH IS IN STATE OF CRISIS AND WE'RE THE CAUSE...
1. We pollute the air
2. We fill the land with waste
3. Lethal fuel emission for our vehicles

THE CONSEQUENCES...


1. Our glaciers are melting
2. Our cities are flooding
3. The Climate is changing
4. Our lakes are drying
5. Our ocean’s temperatures are rising
6. Hurricanes are intensifying
7. Rainfall is increasing
8. Record setting heat temperatures are at a dangerous high
9. Global warming is upsetting the balance of nature
10. Many species are facing the threat of extinction

MORE CATASTROPHIC EVENTS WILL OCCUR IN THE FUTURE...


Our glaciers are melting fast
Many coast cities will be under water because the world's oceans level will increase

WE NEED TO MAKE A CHANGE!


1. Recycle and Reuse
2. Consider alternative energy methods
3. Save power and conserve household energy
4. Reduce your litter and Reuse plastic bags
5. Use environment friendly cleaning products
6. Use low or zero emissions vehicles to get you where you need go
7. Considering using public transport

GLOBAL WARMING is when the greenhouse effect gets stronger, the Earth’s average temperature rises. The conditions on Earth start to change.

Many organizations study climate change and global warming. The most important is IPCC (Intergovernmental Panel on Climate Change).
Experts predict climate will drastically change the world as we know it.

WHAT CAN WE DO TO BE ECO-FRIENDLY ?



The Kyoto Protocol
Most governments are worried about rising greenhouse gas levels in the atmosphere, and th effect they may have.

In 1997, representatives from 160 countries met in Kyoto, Japan to create the Kyoto Protocol. This is a agreeement to reduce greenhouse gas emissions to 5.2% less than 1990 by the year 2012.


Alternative energy


Anything that comes from Earth is a natural resource. Resources such as wind, water, sunlight, and plants are renewable resources.

Renewable resources can be replaced or reused.



  1. The Sun's energy is turned into power by the solar panels.
  2. Natural heat from beneath Earth's surface is the geothermal energy.
  3. Hydroelectric power stations, flowing water from a dam, gernerate power.
  4. Wind farms and wave power use the motion of the sea or air to move the huge turbines.



SAVING ENERGY



  1. Switching off the lights when leaving a room.
  2. Turning off the TV, stereo,video, DVD player when you've finished using instead of leaving standby mode.
  3. Turning down your central heating thermostat by as little as one degree.

CLEANING UP THE ROADS

All over the world, the cars, planes...polluted and relase a lot of carbon- dioxide. Instead, there are cars with hydrogen-powered.
RECYCLE, REDUCE AND RE-USE

Click on the picture and play



Sunday, 25 September 2016

Sunday, 29 May 2016

THE EARTH, THE MOON AND THE SUN

1.The Earth
  • The Earth is roughly (approximately) spherical.

Earth's Movement around the Sun

  • ROTATION: The Earth also spins on its own axis once every 24 hours. This causes day and night on Earth. On the part of the Earth that is facing the sun, it is day; on the part of the Earth that is facing away from the sun, it is night.



  • ORBIT / REVOLUTION : The Earth travels around the Sun once every year 365 days and 6 hours ( we've got a Leap-year every four years because of this).




SEASONS: When the Earth orbits the Sun it's a little wonky. Earth's axis is tilted.When the Northern hemisphere is tilted towards the Sun it's Summer and when the Northern hemisphere is tilted away from the Sun is Winter.

2. The moon

The moon is roughly (approximately) spherical and is smaller than the Earth.

The moon travels around the Earth once every 28 days.

We only see the part of the moon that is lit by the Sun. So sometimes we see the whole Moon and sometimes we only see part of the Moon.



3. The sun
  • The sun is a star and gives out heat and light.
  • It is approximately spherical in shape . It's much bigger than the Earth.
  • The Earth is just one of eight planets that travel around the sun. The other planets are called Mercury, Venus, Mars, Jupiter, Saturn, Uranus and Neptune.




4. Eclipses

Solar eclipse


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A Solar Eclipse occurs when the moon goes in front of the sun and blocks most of the sun's light from the earth.
It is dangerous to look at a solar eclipse directly, even if you have sun glasses or smoked glass.



Lunar eclipse

A lunar eclipse occurs when the moon passes through the shadow of the earth. It is not dangerous at all to look at a lunar eclipse because the moon does not make its own light.



IN SPACE: SOLAR SYSTEM




DEFINITION
The Solar System is made up of the Sun, the planets, their moons, asteroids and comets.

WHAT TO SEE

The Sun
The Sun is a star that lives at the centre of the Solar System. Its huge gravity holds the planets in place.
The planets
The planets all revolve around the Sun. There are eight in total - Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune.
Moons
Moons rotate around their parent planet. Earth has one moon, but some planets have over 50. Only Mercury and Venus do not have any moons.
Asteroids
Asteroids are rocky bits of runs up to 1,000km (620 miles) across. Most live in the asteroid belt between Mars and Jupiter. They are the remnants from early planets that collided and were torn apart.
Comets
Comets are dirty snowballs of ice and dust that revolve around the Sun in long orbits. When they approach the Sun they heat up, leaving a trail of gas behind them, which looks like a tail.
Recent comets to fly-by the Sun include Halley, Hale-Bopp and Ikeya-Zhang.
THE PLANETS

  • The Rocky or Terrestial planets

The four planets closest to the Sun are:




  • Mercury
  • Venus
  • Earth
  • Mars

  • These are called the 'rocky' or 'terrestrial' planets. They are small by planetary standards and made of similar materials to the Earth.
    • The Gas Giants or Jovial planets
    The next four planets are:




  • Jupiter
  • Saturn
  • Uranus
  • Neptune

  • They are known as the 'gas giants'. They all have rings and lots of moons. The gas giants are made up mostly of hydrogen, helium, frozen water, ammonia, methane, and carbon monoxide.
    The Dwarf Planets
    The International Astronomical Union redefined the term planet in August 2006, so Pluto is now classified as a dwarf planet. There are two other dwarf planets in the solar system, Ceres and Eris.