Bilingual project Ciencias Sociales 1º ESO

1. UNIT 1. PLANET EARTH 1.1. LIVING EARTH

2. A planet is an object that travels around, or orbits a particular star . The Earth is one of nine planets that orbit the Sun. Together they make up our Solar System .

3. Revolution Around The Sun

5. Earth is the third planet from the Sun. It is the only known planet with the right conditions to support living things , although scientists are searching for life on other planets.

6. The Earth's distance from the Sun means that it receives just the right amount of heat and light . Its combination of gases enables plants, animals and people to breathe, and it is warm enough for water to exist as a liquid.

7. All these things are essential for life on Earth. World Plant Communities

8. World Animal COmmunities