Finally, Iguda and Tanno headed back to our home planet, Earth. It’s the only place that scientists have confirmed that life exists. And what an incredible planet it is:
| Earth factfile | |
|---|---|
| Position from the sun | 3rd planet |
| Diameter | 12,700 km |
| Distance from sun | 150,000,000 km |
| Day length | 24 hours |
| Year length | 365.25 days |
| Number of moons | 1 |
| Surface temperature | 15 °C |
| Surface gravity | 9.81 m/s2 |
| Atmosphere | Nitrogen, Oxygen |
Activity
Find out about how biologists classify the living things on Earth into five Kingdoms.
There are so many differences between all the living things on Earth that we have trouble even deciding on how to say what makes some thing alike and some things different. The BBC has some helpful information on its Bitesize website. Click Here and also click here to visit Bitesize pages.
Draw a big diagram, set out like a tree or flowchart, to illustrate the idea of classification in biology. Add some example animals, or other living things, on to your diagram show how classification works.
Look out for the incredible PostcardsFrom … series about Earth.
Coming soon: PostcardsFromVolcanoes, PostcardsFromOceans, PostcardsFromJungles, PostcardsFromIslands
Check out what series are available by clicking here.
You can go to the previous secret pages by clicking the planets below.
