WHERE’S EARTH?
What is a galaxy?
A collection of gas, dust, planets and stars.
What’s the name of the movement in which the Earth spins on its axis?
Rotation.
What does the Earth orbit?
The Sun.
Which is the natural satellite of the Earth?
The Moon.
What are natural hazards?
The natural processes of Earth that can be dangerous for life.
In which galaxy can we find the Earth? Which shape has it got?
In the Milky Way, which has the shape of a spiral.
How long does it take to complete a rotation?
24 hours.
What’s the name of the movement in which the Earth orbits the Sun?
Revolution.
How long does it take the moon to complete a revolution?
28 days.
Why do volcanoes form?
Because there is very high heat under the ground.
How many planets are there in the Solar System?
8
What happens with the hours of light in the different places of the Earth?
They vary.
How long does it take to complete one revolution?
365 days and 6 hours.
Which 4 phases does the moon have?
New moon, first quarter, full moon and third quarter.
When does an earthquake happen?
When the Earth's surface shakes.
What is the atmosphere?
A mixture of gases that surround the Earth.
What are the four seasons?
Spring, summer, autumn, winter.
Why does the moon shine?
Because it reflects the Sun light.
What is a tsunami?
A volcanic eruption or earthquake under the ocean.
What are the planets of the Solar system?
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.
What are the two seasons they have near the Equator?
Wet season and a dry season.
What are tides?
When the moon causes sea levels to rise and fall.
How are natural hazards called when they cause lots of damage and death?
Natural disasters.