The Solar System
What are two kinds of patterns that planets move in?
Rotation and revolution
What is an object in the sky that produces its own light called?
A star.
What are patterns of stars in the sky called?
Constellations
What is the smallest planet and the one closest to the sun?
Mercury
Bonus: It rotates very slowly, so the side facing the sun gets very hot and the side facing away from the sun is very freezing.
What are the four outer planets made of?
They are made of gas, and are called gas giants because they are so large.
What is the name for the sun and the objects that revolve around it?
A solar system.
Is the sun a star? Why or why not?
Yes the sun is a star, because it makes its own light.
Who are the scientists that study the stars and planets?
astonomers
Which planet has just one moon?
Earth has just one moon. It takes 29 days for the moon to revolve around the earth.
What planet is known for its rings?
Saturn - The rings are made of ice and rocks! Saturn also has at least 62 moons!
What is a ball of rock or gas that revolves around a star?
A planet.
Is the moon a star? Why or why not?
The moon is not a star because it does not make its own light; it reflects light only from the sun.
What is one tool that you can use to study the stars and planets?
a telescope
What planet is the hottest in our solar system?
Venus. It has no water, and its clouds are made of acid. It also has plains, valleys, and volcanoes. The clouds surrounding the whole planet keep Venus very hot.
This planet is the biggest planet and also spins the fastest.
Jupiter - If earth were the size of a pea, Jupiter would be the size of a baseball. Jupiter spins so fast one rotation only takes 10 hours to complete one day. Jupiter has 63 moons!
What is the motion of one object around another called?
A revolution.
What are the characteristics of the sun?
The sun is the largest object in our solar system. It is a medium-sized star.
What causes one day on earth, and how long is one day? What causes one year on earth, and how long is one year?
One day is when the earth rotates one time, which takes 24 hours.
One year is how long it takes for the earth to revolve around the sun, which takes about 365 days.
What planet is covered with red dust?
Mars. Mars has two moon named Phobos and Deimos. It also has the highest mountain of any planet in our solar system, called Olympus Mons.
What planet is the farthest from the sun?
What is it called when a planet completes one spin?
A rotation.
Why is the sun important for earth?
It is earth's main source of energy. It gives light during the day. Plants use the sun's energy for photosynthesis. The sun affects our weather as it heats the air which causes the air to move. People use the sun's energy for heat and power.
In what ways did God perfectly design the earth for living things?
It is just the right distance away from the sun so that it is not too hot or too cold. It is the only planet with water to live on. It is the only planet with just the right kind of air to breathe.
What is the order of the planets from the sun?
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
What is something different about how Uranus moves?
Uranus is tilted completely sideways and rotates, or spins, on its side. The sun shines on its poles.