WorksheetsFormation of the Solar System
Total questions: 12
Worksheet time: 10mins
Why are the rocky planets small?
Because they are made up of heavier elements
Because they are further away from the Sun
Because they formed from hydrogen and helium
Because they have large cores
What is the frost line?
The boundary where temperatures are low enough for gases to condense
The region where comets originate
The orbit of Jupiter
The area of the outer solar system
Where do long-period comets come from?
The Kuiper Belt
The Oort Cloud
The inner solar system
The rocky planets
What is an exoplanet?
A planet that orbits the Sun
A planet made up of rock and ice
A planet that orbits a star other than the Sun
A planet with a slow orbit
What are comets made of?
Rock and ice
Gas and dust
Hydrogen and helium
Metals
What are gas giants mostly composed of?
Rock and ice
Hydrogen and helium
Water and methane
Metals
Where is the Kuiper Belt located?
Inside Jupiter's orbit
Outside the frost line
Between Mars and Jupiter
Beyond Neptune's orbit
How do astronomers search for exoplanets?
By observing a dip in the light from the star
By studying the Oort Cloud
By analyzing the composition of comets
By measuring the temperature of gas giants
What unit do astronomers use to measure distances between stars and galaxies?
(a)
What is at the centre of most galaxies?
Dust
Stars
Supermassive black holes
Gas
How many kilometres is approximately equal to one light-year? (show 3 sig fig and in correct scientific notation)
(a)
Draw what the three types of galaxies look like... and name them!
