________ used to be a planet in our solar system, but now it is a "dwarf planet."
Pluto
100
Stars and planets are similar because:
a) they are both round
b) they are both part of a solar system
c) they come in different colors
d) all of the above
d) all of the above
100
The ________ provides the light and heat for our solar system.
Sun
100
Sun, Mercury, ________
Venus
100
The Earth's tilt causes
a) day and night
b) the seasons
c) Earth Day
b) the seasons
200
________ is the planet that is closest to the Sun.
Mercury
200
Why can't you see stars during the day?
The sun is too bright.
200
The only planet in our solar system that supports life is ________.
Earth
200
Sun, Mercury, Venus, Earth, Mars, ________
Jupiter
200
The Earth's rotation causes
a) day and night
b) the seasons
c) Earth Day
a) day and night
300
Earth is the ________ planet from the Sun.
third
300
What is a constellation?
A constellation is a group of stars that make an imaginary shape in the night sky.
300
The inner planets are
a) Mercury, Venus, Earth, Mars
b) Jupiter, Saturn, Uranus, Neptune
a) Mercury, Venus, Earth, Mars
300
Sun, Mercury, Venus, ________
Earth
300
A group of stars that forms a pattern is called a ________.
constellation
400
________ is called the "Red Planet."
Mars
400
The Sun is a
a) planet
b) moon
c) dwarf planet
d) star
d) star
400
The outer planets are
a) Mercury, Venus, Earth, Mars
b) Jupiter, Saturn, Uranus, Neptune