This is the smallest planet in our Solar System. It is also called a Dwarf planet.
Pluto
100
What is the asteroid belt?
Area between Mars and Jupiter where many asteroids travel around the sun.
100
Why can't you see stars during the day?
You cannot see stars during the day because it is too bright out.
100
How many hours are in a day?
24 hours
200
Earth spins like a top. The imaginary center line that the Earth spins around is called Earth's axis. Earth spinning around its axis is Earth's _________.
Rotation.
200
This planet is called "the red planet" because of the iron rich soil on its surface.
Mars
200
A ______ is a large body of ice and rock that orbit the sun. From earth, the gas and dust that follows the comet appears as a bright tail.
Comet
200
___________ are groups of stars that form patterns in the sky.
Constellations
200
How many days are in a year?
365 in a regular year - 366 in a leap year!
300
Earth moves around the sun in a regular, curved path called an ________.
Orbit
300
This is the biggest planet in our Solar System. It has a big, red storm that is in constant motion on its surface.
Jupiter
300
A ___________ are fragments from space that land on Earth. Hundreds of these fall to the Earth every year, but only a few are found.
Meteorite
300
Explain what temperature red stars, yellow stars and blue stars have.
Red stars have the coolest temperatures. Yellow stars have medium temperatures. Blue stars have the hottest temperatures.
300
If hundreds of meteorites fall to the Earth every year, then why are only a few of them found?
Earth is made up mostly of Oceans. Most of the meteorites fall into the Oceans and cannot be found.
400
The movement of the Earth around the Sun is called a ____________.
Revolution
400
This is the 6th planet from the Sun. It has several rings that are made up of ice and rock.
Saturn
400
What is the lunar cycle?
The rotation of the moon as it appears on Earth.
400
Name the three kinds of galaxies and describe their shape.
1. Elliptical Galaxy - shaped like a huge football or sphere.
2. Spiral Galaxy - shaped like a pin wheel
3. Irregular Galaxy - does not have a specific shape.
400
What Galaxy do you live in?
The Milky Way!
500
Why is Earth the only planet that has life?
Earth is the only planet that has life because we have oxygen , plants and water.
500
This is the 7th planet from the Sun. It has an atmosphere made of hydrogen, helium and methane.
Uranus
500
What causes Earth's seasons?
Earth's revolution around the sun causes the seasons.
500
What is fusion?
Fusion is when the temperatures rises in a star and the atoms begin to join together to form a star.
500
_______ is a round hole in the surface of the moon.
_______ mountainous areas on the moon.
_______ are dark and flat regions.