SCIENCE
1. Complete the sentences
-The ................................... is everything that exists.
-All the planets and dwarf planets in the Solar System orbit around
the ...................................
-The ......................................... doesn't have an atmosphere or water.
-The Moon is the Earth's only natural ............................................
-The Earth is the only .................................... where life has been found.
-A ........................................... is a group of dust, gas and stars held together
by gravity.
-The Earth's ....................................... causes day and night.
-The Earth's ........................................... causes the seasons.
2. Order from largest to smallest.
the Moon
the Solar System
universe
the Milky way
the Earth
the
the Sun
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3. True or False
-The Earth's revolution takes 24 hours.
-The Earth orbits the Sun in 365 days.
-The Earth has only one natural satellite.
-The Earth orbits the Moon.
-Longitude measures how far north or south a place is from the Equator.
-Meridians are the imaginary lines that go from the North Pole to the South
Pole.
4. Complete the chart. Some words can be used more than once.
stratosphere
inner core
exosphere
groundwater
mantle
oceans
troposphere water vapour
clouds
mesosphere
thermosphere
Geosphere
glaciers
solid rocks
rocks
continents
Hydrosphere
Atmosphere
5. Classify: granite, diamond, lustre, sedimentary, marble, sulphur,
coal, metamorphic, old, igneous.
Mineral
Rock
6. Write the parts of the geosphere and explain them
7. Write the layers of the atmosphere and explain them.
8.Write these words in the correct place: Equator, longitude, latitude,
meridians, Greenwich meridian, parallels.
9. What are the properties of minerals?
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10. Link
-They are formed when liquid magma cools.
-igneous rocks
-They are formed when the sediment is compressed.
-metamorphic
rocks
-They are formed by heat and pressure deep below the
-sedimentary
rocks
surface onf the Earth.
11. How is the Earth called? Why?
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