Our Universe and Solar System
Life cannot exist without what?
the sun
In the past, people thought the Earth was a different shape. They thought the Earth was ______________.
flat
How many days does it take for Earth to make a full circle around the Sun?
365 days
What is the latin name for the Moon?
Luna
What is one of the most important renewable energy resources for us?
the sun
His journey around the Earth helped people start to think the Earth was more like a sphere rather than a flat disk. It proved the spherical Earth theory.
Ferdinand Magellan
east to west
Describe the Moon's surface
rocks, dusty, full of craters, no water or air, no rain or wind
How many planets does our solar system have?
Liste them.
eight planets
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune
List the continents on Earth.
Africa, Australia, North America, South America, Europe and Asia
What causes an eclipse of the Sun or Moon?
by the shadow and light effect of sunlight
How many days does it take the moon to orbit Earth?
about 27 days
Define our universe.
everything that exists, all kinds of physical matter and energy around us
What idea did Nicolaus Copernicus come up with?
the sun is in the middle of the solar system and Earth is only one of its planets
What happens during a solar eclipse?
List the moon phases.
New Moon, First Quarter, Full Moon, Last Quarter
They are smaller or bigger rocks in our Solar System. Some can be up to 1000 km wide, and some even have their own moons orbiting around them. What are they?
asteroids
We can divide the sphere of the Earth into hemispheres with the help of what?
latitude and longitude lines
What do the prism and rainbow show the effects of?
sunlight on raindrops
What happens during a lunar eclipse?