UNIT 1 THE EARTH, A PLANET IN THE SOLAR SYSTEM Activity 1: The Universe and the Solar system 1.1. Match each word with its definition 1. The Universe a. A small planet that orbit in the extreme of the Solar system 2. Galaxy b. A large ball of very hot gasses that emits light and heat 3. Star c. A celestial body that moves around a planet 4. The Solar system d. A group of thousands of millions of stars and other celestial bodies 5. Planet e. Fragment of rock or metal which goes around the sun 6. Satellite f. It is formed by a star and the planets that move around it 7. Orbit g. Everything that exits 8. Asteroid h. A celestial body made of rock and ice that looks like a bright star with a tail 9. Meteorite i. The curved movement taken by a planet around the sun 10. Dwarf planet j. A celestial body that moves around a star and does not have its own light 11. Comet k. A piece of rock that hits the planet´s surface and forms craters 1.2. Identify the star and the planets of the Solar system and write their names
Transcript
UNIT 1 THE EARTH, A PLANET IN THE SOLAR SYSTEM
Activity 1: The Universe and the Solar system
1.1. Match each word with its definition
1. The Universe a. A small planet that orbit in the extreme of the Solar system
2. Galaxy b. A large ball of very hot gasses that emits light and heat
3. Star c. A celestial body that moves around a planet
4. The Solar system d. A group of thousands of millions of stars and other celestial bodies
5. Planet e. Fragment of rock or metal which goes around the sun
6. Satellite f. It is formed by a star and the planets that move around it
7. Orbit g. Everything that exits
8. Asteroid h. A celestial body made of rock and ice that looks like a bright star with a tail
9. Meteorite i. The curved movement taken by a planet around the sun
10. Dwarf planet j. A celestial body that moves around a star and does not have its own light
11. Comet k. A piece of rock that hits the planet´s surface and forms craters
1.2. Identify the star and the planets of the Solar system and write their names
1.4. Complete the sentences with the following words: Ceres, Moon, Galaxy, Solar, satellite, Milky, dwarf.
a) Our _______ system has four _______ planets: _______, Pluto, Charon and Erisb) The name or our _______ is “The _______ Way”c) The Earth´s _________ is the _______
Activity 2: The Earth: shape and movements
2.1. Identify each part of the Earth
1 2 3
2.2. Guess the meaning of these words: Crust, Mantle, Core, Lithosphere, Asthenosphere. Check with your teacher or a dictionary
2.3. Rotation movement. Match each word with its definition
1. Rotation a. The Earth uses twenty-four hours or one day in making a full turn
2. Rotation axis b. The rotation movement is from west to east at a constant speed
3. Rotation direction of motion
c. Movement of the Earth rotating on its axis
4. Duration of the rotation movement
d. Rotation causes the succession of days and nights
5. Consequences of rotational motion
e. The imaginary axis is inclined and passes through the poles
2.4. Translation movement. Order the words to make sentences.
a) rotates / the sun / orbit / in / The Earth / an elliptical / aroundb) to complete / 365 days / The Earth / this movement / and 6 hours /employsc) are added / in February / These 6 hours / in leap years / every 4 yearsd) the seasons / The inclination / causes / axis / of / rotation / the Earth´s
2.5. Complete the chart with the following words
Day of change of season: June 21st / March 21st / December 21st / September 23rd The sun´s rays are perpendicular to…: Tropic of Cancer, Equator, Tropic of CapricornHeat stroke is…: Higher in the …… hemisphere / Same in both hemispheresIn the northern hemisphere begins…: Winter, Spring, Autumn, SummerIn the southern hemisphere begins…: Winter, Spring, Autumn, Summer
Day of change of
season
The sun´s rays are
perpendicular to…
Heat stroke is…
In the northern
hemisphere begins…
In the southern
hemisphere begins…
Vernal EquinoxSummer Solstice
Autumnal EquinoxWinter Solstice
2.6. Write the name or each season and a sentence describing it. Complete the answers too.
* Season:
* Description:
* When is this season in…?- North hemisphere:
- South hemisphere:
* Season:
* Description:
* When is this season in…?- North hemisphere:
- South hemisphere:
* Season:
* Description:
* When is this season in…?- North hemisphere:
- South hemisphere:
* Season:
* Description:
* When is this season in…?- North hemisphere:
- South hemisphere:
Activity 3: Review activities
3.1. Complete the sentences with the following words: hemispheres, Ceres, Ecuador, blue, Moon, translation, Galaxy, poles, Solar, satellite, rotation, sphere, Milky, dwarf, Earth.a) Our _______ system has four _______ planets: _______, Pluto, Charon and Erisb) The name or our _______ is “The _______ Way”c) The Earth´s _________ is the _______d) The ________ from space has a bluish colour, so we called the _______ planete) The Earth is a geoid or an imperfect _______ slightly flattened at the ______f) The Earth makes two movements: __________ and __________g) _______ is the imaginary line that divides the earth into two equal parts, or __________, north and south3.2. Write translations and try to remember these words.
