What is thought to be the age of the eight planets relating to each other?
The inner planets formed together first and the outer planets formed together later.
The outer planets formed together first and the inner planets formed together later.
They all formed at roughly the same time.
They formed sequentially from the Sun outward with Neptune forming last.
How many planets are there in our solar system?
8
9
10
11
Which planet rotates on its side?
Mars
Jupiter
Neptune
Uranus
Which one of the following is a small celestial body revolving around a planet?
Meteor
Satellite
Comet
Star
Which statement provides the best evidence that the Earth has nearly spherical shape?
The Sun has a spherical shape.
The altitude of polaris changes with the observer's latitude in the Northern Hemisphere.
Star trails photographed over a period of time show a circular path.
The length of noontime shadows change throughout the year.
What are made of solid materials?
Stars
Planets
Sky
Comets
Which planet is known as the Earth's twin?
Venus
Which is the closest planet to the Sun?
Mercury
Saturn
Which is the center of the solar system?
Sun
Earth
Which is the largest planet in the solar system?
