WorksheetsOort Cloud and Comets
Total questions: 15
Worksheet time: 9mins
Where do most comets come from?
In the Kuiper Belt & Oort Cloud beyond Neptune's orbit
In the Asteroid Belt between Mars and Jupiter
Near the Sun
Earth's atmosphere
What are the parts of a comet?
nucleus, coma, plain tail, newton tail.
nucleus, coma, ion tail, dust tail
the nucleus, protons, electrons, neutrons
head, coma, arm, leg
Why does the comet's tail always point the way it does?
because of opposite magnetic forces
because of solar wind
because you can't see it pointing toward the sun
because of gravity
What is the Oort cloud?
the birthplace of stars
an icy spherical region that surrounds the solar system
a nearby solar system
an icy asteroid belt just outside the orbit of neptune
How many visible parts does a comet have?
(a)
How many known comets are there?
37,413
3,740
3,743
4,373
This probe landed on the surface of a comet.
(a)
What is the most famous comet?
Halley's
Halle Bop
Pluto
Shoemaker Levy-9
Do we know the Oort Cloud exists?
No
Yes
Who thought of the idea of the Oort Cloud?
Jane Oort
Jan Oort
Oortenheimer
Oortswazey
