The Little Guys
This rocky planet has the biggest temperature swings (hot and cold).
Mercury
Which gas giant rotates almost completely on its side?
Uranus
What causes tides?
The moon's gravity.
What was the first animal to go into space?
A dog.
Name the planets in order.
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
This planet is the only one with liquid water on its surface.
Earth
This gas giant is so light that scientists believe it could float on water.
Saturn
What are the names of Mars' two moons?
Phobos and Deimos
Galileo was the first person to study the stars using what instrument?
A telescope
The asteroid belt lies between which two planets?
Mars and Jupiter
What makes Venus the hottest planet?
Its thick atmosphere.
Which gas giant is the windiest planet?
Neptune
Which two planets in our solar system do not have a moon?
Mercury and Venus
Who was the first astronaut to walk on the moon?
Neil Armstrong
Why does Earth have seasons?
Because it tilts slightly on its axis.
This planet's day is almost the same length as the Earth's, but it's year is almost twice as long.
Mars
Which gas giant has the shortest day?
Jupiter
What word is used to describe the phase of the moon as it's becoming darker?
Waxing
Can you see the International Space Station from Earth without a telescope?
Yes, you can.
What is the difference between a meteoroid and a meteoroite?
A meteoroid is in space; a meteorite has hit the earth.
What is the name of the tallest mountain in our solar system? HINT: It is on Mars.
Olympus Monds
What three things does a dwarf planet need to pass to become a full planet?
Orbit the sun, enough mass to be round, clear its neighborhood.
Name one moon that is larger than the planet Mercury.
Ganymede (Jupiter) or Titan (Saturn) are larger.
The astronomer Copernicus believed what about the solar system?
The sun was at the center, and the planets revolved around it.
Which is hotter, a white star or a red star?
A white star.