(General)
All planets orbit around a ___________
... a star.
The sun is a ___________ .
Star
How many big planets are there in our solar system?
There are 8 big planets in our solar system.
Our planet Earth is the ______ from the sun.
A) 1st C) 3rd
B) 2nd D) 4th
C) Earth is the 3rd planet from the sun.
Which is the furthest planet from the sun?
Neptune
Name 2 things that planets are made out of.
Most planets are made out of rock, metal and/or gas. Some planets also have ice.
True or false?
The sun orbits the Earth
False. Earth orbits the sun.
How many dwarf planets are there in our solar system?
There are 5 small, dwarf planets in our solar system.
What are the inner planets mostly made of?
Rock and metal.
All gas giants have ________ made of mostly ice and dust.
Rings
Do planets create their own light?
No, they only reflect light from stars.
In our solar system, what keeps the planets from floating away?
Gravity. The pull of the sun's gravity holds the planets in orbit.
Name one dwarf planet.
Pluto, Eris, Ceres, MakeMake, or Haumea
Which planet is closest to the sun?
Mercury
Which planet has a hurricane that has been blowing for more than 400 years?
Jupiter. The hurricane forms "The Great Red Spot".
What do we call the smaller spheres that orbit planets?
Moons orbit planets.
How many Earths could fit inside the sun?
A) 10
B) 100
C) One million
C) One million Earths could fit inside the sun!
Create your own sentence to remember the order of the planets in our solar system, starting with the closest to the sun.
M... V... E... M... J... S... U... N...
M... V... E... M... J... S... U... N...
On which planet is our solar system's largest volcano, Olympus Mons?
Mars. Olympus Mons is as tall as 3 Mount Everests stacked up.
Which planet has more than 60 moons?
Jupiter
Have humans ever set foot on another planet?
No, only Earth and Earth's moon have been touched by humans.
More or less how much hotter is the sun than a hot summer day on Earth?
A) 10 times hotter
B) 100 times hotter
C) One million times hotter
B) The sun is about 100 times hotter than a hot day on Earth.
List all of the big planets in our solar system.
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune.
Which is our solar system's hottest planet?
Venus.
Venus is the hottest planet in our solar system, even though it is not the closest planet to the sun. It's very hot because it's surrounded by a thick layer of gas.
Which planet spins on its side, rolling like a barrel instead of a top?
Uranus