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44 terms

3rd Grade Solar System

STUDY
PLAY
Solar System
the sun, eight planets, moons, asteroids, meteoroids, and meteors. Everything in the solar system orbits, or goes around the sun.
Orbit
to revolve, or go around, an object
Planet
a large body of rock or gas that orbit the sun
Asteroid
chunk of rock or metal that orbits the sun
Comet
large ball of ice and dust that orbits the sun
Rotation
the spinning of an object on its axis
Axis
an imagnary line that goes through the North Pole and the South Pole
Revolution
movement of one object around another object
Light year
the distance that light travels in one year.
Core
center of the sun, the sun's hottest layer
Radiation zone
the sun's thickest layer - (it may take millions of years for the energy from the core to make it's way through this layer)
Photoshpere
the inner layer of the sun's atmosphere - most of the light that reaches the planets is released from this layer
Chromosphere
large cells of gas called supergranular cells, middle layer of the sun's atmosphere
Corona
the outermost layer of the sun's atmoshphere
Sunspots
cooler darker areas on the sun
Sun
a star, everything in the solar system orbits, or goes around it. It is a big burning ball of gas. All of our heat and light comes from it.
Mercury
is the planet closest to the sun. It is a rocky planet. it is very hot during the day and very cold at night. There is no water or weather on Mercury.
Venus
is the second planet from the sun. It is the hottest and brightest planet in the solar system.
Earth
the third planet from the sun. Seventy percent of the Earth is covered in water. It is the only planet that has life on it.
Mars
the fourth planet from the sun. It is called the "Red Planet". It has mountains, valleys, and canyons.
Jupiter
is the fifth planet from the sun. It is a gas planet. It is the largest planet. It has big storms, one is called the "Great Red Spot".
Saturn
is the sixth planet from the sun. It is a gas planet. It has many rings made of ice, rocks, and dust .
Uranus
is the seventh planet from the sun. it is a gas planet. it is the coldest planet in the solar system.
Neptune
is the eight planet from the sun. It is a gas planet. It is very cold and stormy.
How many planets are in our Solar System?
8 planets are in our Solar System
_________ is the third planet from the sun.
Earth
Astronaut
A person who travels to space
Shadow
The size of our shadow changes,
The Sun is also a ________
Star
Milky Way
the galaxy our solar system is in
How many planets are in the solar system?
8
The Earth is the _______planet from the sun.
Third (3rd)
What is the name of a person who travels to space?
Astronaut
The sun is also a ________.
Star
The bright part of the moon is what is facing _____ us.
toward
Everything in our solar system orbits around the ______.
sun
70% of the earth is covered by ____________.
water
The _________moon is when you can see the whole moon.
full
Saturn is ____________ than the Sun.
smaller
____________ is the hottest and brightest planet in the solar system.
Venus
__________ is the only planet with life.
Earth
The moon goes through different stages called ____________.
phases
The moon is made of __________ and __________.
rock , dust
_______________ is known as the red planet.
Mars