HAPPY
The planet we live on.
The star at the center of our solar system.
Bright objects in the night sky.
STARS
Water drops or ice floating in the air.
OBJECTS
The thin, outer layer of the Earth.
CRUST
Shaking of the ground caused by moving rocks under Earth.
EARTHQUAKE
The force that pulls things toward Earth.
GRAVITY
When Earth spins on its axis.
ROTATION
The layer of gases around Earth.
ATMOSPHERE
The condition of the air at a place and time.
WEATHER
The path an object takes around another object.
ORBIT
The thick rock layer under the crust.
MANTLE
An opening in Earth where lava comes out.
VOLCANO
The center part of Earth, very hot and dense.
CORE
Time when a part of Earth faces away from the Sun.
NIGHT
A space rock that lands on Earth.
METEORITE
A huge ocean wave caused by an earthquake under the sea.
TSUNAMI
A space object made of ice, dust, and rock.
COMET
A crack in Earth’s crust where movement happens.
FAULT
When Earth blocks sunlight from the Moon.
LUNAR ECLIPSE
The movement of Earth’s plates.
TECTONICS
A huge group of stars, planets, and gas.
GALAXY
The imaginary line Earth spins around.
AXIS
Melted rock found under Earth’s surface.
MAGMA
A large piece of Earth’s crust that moves slowly.
PLATE