1
__________ are balls of dust and ice that orbit the Sun.
2
__________ are large, spherical celestial bodies
3
__________ are enormous spheres of gas. They produce a great deal of energy. This is emitted in the form of light and heat.
4
__________ are groups of millions of stars, planets, gas clouds and rock fragments
5
__________ are large rocks that orbit the Sun.
6
__________ are objects in orbit around a planet. The Moon is the Earth's natural satellite.
7
̣__________occur because the Earth's axis is tilted and it always points in the same direction
8
__________ is everything that exists in space. It is made up of billions of galaxies.
9
__________ are celestial bodies that orbit stars. They are smaller than planets.
10
At that time, the Universe was contained within a single point. Then it suddenly started to expand. The stars, galaxies and other celestial bodies began to form. We call this the ___________.
11
Comets are large rocks that orbit the Sun.
12
Each galaxy contains millions and millions of stars, planets and other celestial bodies that are far apart.
13
Earth is in the Solar System, within the Milky Way galaxy.
14
How long does it take the Moon to complete these movements (rotation and revolution)? ______ days.
15
In which phase does the side of the Moon lit by the Sun face the Earth?
16
It is _________ on the side of the Earth that faces the Sun. It is _________ on the side that faces away from the Sun.
17
Most ____________ believe that the Universe began about 15 million/billion years ago. The theory to explain the origin of the Universe is called the _______ theory.
18
Revolution: The Earth spins or rotates on its own axis.
19
Seasons are caused by the Earth's rotation.
20
Stars are enormous spheres of ______that produce a lot of _______ .
21
Stars vary in colour, size and brightness.
22
The Earth is located in the ______________, within the Milky Way
23
The Earth moves in two different ways. It spins on its axis and it travels around the Sun.
24
The Earth spins or rotates on its own axis: __________
25
The Earth takes one year (about 365 days) to complete one orbit around the Sun.
26
The planets, asteroids and comets orbit the _____________
27
The Solar System consists of the Sun, _________ planets, dwarf planets and smaller objects such as asteroids and ___________.
28
The Solar System is located in one of the arms of a spiral galaxy called the
_____________
29
The Sun is a ________ ; the Earth is a _________; the Moon is a _________ .
30
The Sun is a celestial body.
31
The Universe is everything that exists in space. It is made up of billions of
________. Each galaxy contains millions and millions of _______ and other celestial bodies.
32
The Universe is made up of _________, ________ and many other _________ .
33
There are eight planets in the Solar System:
34
They are mainly found in the asteroid belt and in the Kuiper belt: _______________
35
We call it the Milky Way because when seen from Earth, it looks milky black.
36
What does the Moon's gravitational pull on the Earth cause? __________________
37
What is the Universe? The Universe is _____________________________________
38
What two movements does the Moon make? _______________________________
39
Where is Earth in the Universe? Earth is in the Solar System, within the _________
40
Which one in not correct about the stars?
41
Which one is not a condition that make life on Earth possible?
42
Which one is not correct about the Earth?
43
Which one is not correct about the Earth?
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este test esta basado en las diapositivas que pudimos ver con anterioridad, consta de 10 preguntas las cuales tienen alternativas para poder resolverlas.