Planets
The 2nd planet from the sun
Venus
The moon starts as a
New Moon
Earth rotates around on an invisible line
Axis
This pulls objects down towards the center of the Earth
Gravity
Our Solar System started with
One big bang
This planet is also known as the Red Planet
Mars
Full Moon
How do we have day and night in 24 hours?
We get day and night because the earth spins (or rotates) on an its axis and different parts of the planet are facing towards the sun or away from it.
What is a force?
Force is either a push or a pull. It can make things speed up, slow down, change direction or change shape (like pulling gum).
The study of Earth and everything in our Solar System is called what?
Astronomy
Is Saturn a gas giant or a rocky planet
Gas giant
The first quarter moon is after what phase?
The waxing cresent
Why do we have seasons?
How the Earth is titing towards the sun during it's orbit
What is friction?
Occurs when two surfaces touch each other. Can slow things down, gives us grip, and can make heat.
Is light year a measured distance?
What are the 4 inner planets
Mercury, Venus, Earth, Mars
When the moon appears to be growing smaller
Waning
What is the difference between rotation and reveolution?
When an object turns around an internal axis (like the earth turns its axis) it is called a rotation. When an object circles an external axis( like the earth circles the sun) it is called a revolution.
What is air resistance?
Slows down moving objects. Like air going into an open parachute to slow you down.
The sun is actually a giant, close by what?
A star
After the 4 inner planets and before the 4 outer planets, what is there in between them?
Astroid Belt
The moon's light comes from what?
The sun reflecting off it
Every 4 years we have a leap year. This means there are 366 days in a year instead of 365 days. Why is this?
There is actually 365 and 1/4 days in a year so we added all those 1/4 days to make one whole day that we have every 4 years.
What allows the moon to go around the Earth or the Earth to go around the Sun without ever crashing?
Gravitational Force
We are able to have a closer look at objects in our solar system through what?
a telescope