3rd Grade - Solar System Flashcards
What are the inner planets?
Mercury, Venus, Earth, Mars
What are the outer planets?
Jupiter, Saturn, Uranus, Neptune, Pluto
Which planet is a dwarf planet?
Pluto
Explain why your shadow changes at different times of the day.
The Earth is always rotating. Which makes the sun’s light come from a different part of the sky. This makes your shadow move and change in length.
Compare Earth to Saturn - show similarities and differences - Size?
Solid or Gas?
Order from Sun. Any other interesting facts?
Earthy is Rocky. Saturn is Gaseous.
Earth is closer 3rd planet from Sun. Saturn is 6th.
Saturn has rings. Earth has no rings.
Both have moons.
A sun and all the objects that move around it
Solar System
One complete trip around the sun
Revolution
A large solar system object that orbits the sun
Planet
An object in space that produces its own heat and light
Star
The force that pulls objects toward each other
Gravity
The only known location for life in the solar system
Earth
The path that one object in space takes around another object in space
Orbit
A natural satellite that orbits a planet
Moon
The spinning of an object on its axis
Rotation
The group of rocks that separates the inner from the outer planets.
Asteroid Belt
Why is it colder at night?
The Earth’s rotation and the way it turns away from the Sun’s light and heat at night
How long does it take for the Moon to Revolve around the Earth?
One Month
How long does it take for the Earth to revolve around the sun?
One Year
How long does it take for the Earth to rotate on its axis?
One day (24 hours)
24 hours to make one rotation on Earth’s _____
Axis. (24 hours in a day)
365 days to make one revolution around the ____
Sun (365 days in a year)
The ______ revolves around the Earth in a month.
Moon - 30 Days in a Month
The word revolution is longer than the word rotation
Same with the amount of time it takes to complete one.
What are the phases of the Moon?
Full, Crescent, New, Gibbous