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Worksheets36. Space, celestial objects and the origin of the universe
Total questions: 58
Worksheet time: 29mins
The picture shows part of the asteroid belt.
Which one of the following statements about asteroids is INCORRECT?
Asteroids are made of ice and dust.
Asteroids orbit the Sun.
They are left after the formation of the planets.
Most asteroids lie in the belt between Mars and Jupiter.
Asteroids are smaller than planets and are found in a belt between Mars and Jupiter.
What are asteroids made from?
Rock and metal
Rock only
Gas and dust
Ice and dust
Stars, moons and planets are called celestial bodies.
Anything that orbits a celestial body is known as a
satellite
galaxy
asteroid
meteor
Which one of the following statements is INCORRECT?
The smallest known asteroid is called Ceres.
The smallest asteroids are only 1 km wide.
Most asteroids are to be found in the asteroid belt.
Asteroids are leftover rocks from the formation of our solar system.
These objects are also called minor planets and are to be found between Mars and Jupiter.
What are they?
asteroids
meteors
comets
meteorites
The photo shows the comet called Lovejoy which was discovered in 2007.
The dust tails of comets
point away from the sun
are magnetic
are only a few metres long
are made of ice
An ancient rock named Bennu was discovered in 1999 drifting into near-Earth space.
Giant rocks that orbit the Sun and are too small to be called planets are known as
asteroids
comets
moons
meteors
The photograph shows a shooting star.
Another name for a shooting star or a streak of light passing across the sky is a
(a)
A moon is a celestial body orbiting a
(a)
Titan is the only moon with a substantial atmosphere.
It is the largest moon orbiting around
Saturn
Earth
Mars
Venus
The photograph shows Haley’s Comet as it passed close to Earth in 1986.
Which of the following are comets made from?
[There is more than one answer]
Dust
Ice
Gases
Rock
A meteor is seen when an asteroid hits the Earth’s atmosphere at high speed and heats up and glows.
If part of an asteroid or comet makes it to the ground, it is called a
(a)
In 2013, an asteroid about 20 metres wide entered the Earth’s atmosphere in Chelyabinsk, Siberia.
As it entered the Earth’s atmosphere it changed into a (a) with a tail brighter than the Sun, and caused a shock wave that injured more than 1,600 people.
The picture shows how the North Star may be located from the group of stars called the Plough.
The North Star is also known as
Polaris
The Plough
Ursa Major
Cassiopeia
A group of students were asked to use two lenses to make a telescope.
The lenses had focal lengths of 20 cm and 40 cm.
How far apart should the lenses be?
60 cm
2 metres
20 cm
2 cm
The picture shows Orion the hunter, a group of stars that is quite often seen in the night sky.
A group of stars that forms an imaginary outline or pattern usually representing an animal, mythological person or creature, a god, or an inanimate object is known as a:
constellation
cluster
system
galaxy
Hans Lippershey, a Dutch lens maker is credited with inventing the telescope.
Who is the first person credited with using the telescope to look into space?
Galileo
Copernicus
Newton
Ptolemy
The picture shows the Andromeda Galaxy.
Which of the following shapes typically describes a galaxy?
Elliptical or spiral
Spherical
Conical or spiral
Oval or spherical
The picture show some of the more than one billion stars in the Milky Way galaxy.
All stars are the same size
false
true
The picture shows the red giant star called Betelgeuse.
Stars that are called red giants are coloured
orange
pink
white
yellow
The picture shows the constellation called Cassiopeia.
Which one of the following is NOT the name of a constellation?
Cosmos
Scorpio
Sagittarius
Aquarius
The picture shows a black hole from the nasa.gov website.
Black holes are:
the remains of giant stars that have collapsed.
the remains of rocks that burn up in the Earth’s atmosphere.
the remains of a collapsed star that spins rapidly, firing out radiation from its ends.
giant sinkholes found on some planets.
A region of space having a gravitational field so strong that no matter or radiation can escape is known as a:
black hole
a star
giant constellation
super galaxy
A collapsed star that spins rapidly, firing out radiation from its ends is known as:
a neutron star
a shooting star
a supernova
a white dwarf
A collection of billions of stars is usually known as (a)
Our galaxy is called (a)
Scientists now believe that at one time, everything existed at one point, which then expanded rapidly outwards to form the Universe as it is today.
What is this theory called?
Big Bang Theory
Steady State Theory
Big Crunch Theory
The Theory of Relativity
Some scientists expect the expansion of the universe to slow down and do a reverse of the Big Bang.
This is known as the:
Big Crunch
Big Mac
Big Buck
Steady State Theory
The big bang theory is a theory explaining the origin of the Universe.
The graphs show how the size of the Universe may have changed with time.
Which graph would suggest that the ‘Big Bang’ theory is correct?
Current evidence suggests that most of the mass of the universe is in the form of dark (a) .
