WorksheetsOur Universe Chapter 35
Total questions: 15
Worksheet time: 30mins
A celestial body is ...
An object that orbits a star
A naturally made object outside the Earth's atmosphere
A small rocky body orbiting a star
A natural satellite of a planet
Stars can be different colours. True or false.
True
False
Choose the planet(s) in the list below (there may be more than one answer!)
Mercury
Io
Triton
Neptune
What is the colour of our Sun?
Red
Orange
Yellow
Green
A galaxy is ...
A celestial body that generates its own heat
Large round space object that circles a star in its own orbit
Natural satellite of a planet
Collection of many millions of stars
Our galaxy is called the
Solar system
Sun
Milky Way
Pluto
Select the planet(s) in the list below that are mostly made of rock (there may be more than one answer!)
Mercury
Earth
Jupiter
Uranus
Select the planet(s) below that are mostly made of gas. (there may be more than one answer!)
Venus
Saturn
Uranus
Mars
Select the characteristic(s) that planets and dwarf planets share (there may be more than one answer!)
They have not cleared their own orbit
Round shape
Orbit the Sun
Pluto is a ...
Planet
Dwarf planet
Approximately how many moon have been found in our solar system?
50
780
140
360
A satellite is ...
Any object that orbits a smaller object or planet
Any object that orbits the Earth
Any object that orbits the Sun
Any object that orbits a larger object or planet
Select the characteristic asteroids and comets share.
Made of ice and dust
Made of rock
Orbit the Sun
Form a tail of dust
Asteroids have a ___________ shape.
Irregular
Round
Astronomers have based on the Big Bang Theory on what two observations.
Other galaxies are moving away from ours at great speed
Other universes are moving away from ours at great speed
The galaxies that are furthest away are moving away faster
The galaxies that are furthest away are moving away slower
