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WorksheetsThe Solar System
Total questions: 26
Worksheet time: 14mins
What is the Sun?
star
rock
cloud
person
What is the definition of Nuclear Fusion?
a cloud of interstellar gas or dust
streams of photons, electrons,small nuclei other particles
two lighter nuclei combine to form a heavy nucleus with the release of energy
gases that have free elctrons and a positive ion
The energy of the sun comes from powerful nuclear fusion reaction. During this reaction what occurs?
carbon-dioxide changes to oxygen
helium gas changes to hydrogen gas
oxygen changes to carbon-dioxide
hydrogen gas changes to helium gas
How many planets are in our solar system?
9
8
7
6
Which of object does NOT orbit the Sun?
asteroids
dwarf planets
planets
stars
What is an object that revolves around a planet called?
moon
comets
asteroids
terrestrials
What is the name given for our 4 inner planets?
giants
terrestrials
What is the name given for the 4 outer planets?estrila
terrestrials
giants
The Kuiper Belt and Oort cloud are made up of which type of objects?
big and small objects
rocky an crumbly objects
icy and dusty objects
hard and hot objects
Terrestrials are mostly made of:
rock
gas
Giants are mostly made up of:
rock
gas
What object has the following definition:
small, rocky fragments left over from the formation of the solar system many billions of years
dwarf planets
meteoroids
comets
asteroids
The region between Mars and Jupiter is known by the following term:
Kuiper belt
asteroid belt
Oort Cloud
comet belt
The asteroid belt is located in between which two planets:
Mars and Earth
Uranus and Neptune
Jupiter and Saturn
Mars and Jupiter
Which of the following objects is being described:
made of ice, rock and with hydrogen and carbon
comets
asteroids
both
Which of the following objects is being described:
made of rock and metals
comets
asteroids
both
Which of the following objects are being described:
no tails; at least one found to have water
comets
asteroids
both
Which of the following objects are being described:
orbit the sun
comets
asteroids
both
Which of the following objects are being described:
Most in outer solar system(Kuiper Belt and Oort cloud)
comets
asteroids
both
Which of the following objects are being described:
not spherical in shape
comets
asteroids
both
Which of the following objects are being described:
hazy clouds and tails as they near the sun
comets
asteroids
both
What does IAU stand for?
Interstellar Astronaut Unit
International Astronaut Union
Interstellar Astronomical Union
International Astronomical Unit
Which of the following reasons is NOT a reason for Pluto being a dwarf planet?
orbits the sun
has cleared the neighbourhood around its orbit
is not a moon
has enough mass to assume a nearly round shape
Fill in the blanks:
The sun _________ at the centre of the solar system
centre
side
front
back
Fill in the blanks:
All planets ___1)_____ around the Sun in the ___2)____ directions
1)spin; 2)solar
1)rotate; 2)weird
1)orbit; 2)same
Fill in blank:
_________ is the force that keeps all objects in their stable predictable orbits around the sun.
nebula
radiation
gravity
condensation
