n. lizard-like animals that lived on Earth millions of years ago Dinosaurs became extinct 65 million years ago.
disaster
n. when something happens that causes big damage and problems
When the car crashed, it was a disaster.
Saturn
n. the planet in our solar system that is famous for its beautiful rings
The rings around Saturn are made of small particles.
Titan
n. The name of the largest moon of the planet Saturn
Saturn’s moon Titan, for example, has a lot of oxygen and is made of rock and ice, just like Earth.
humanity
n. all humans; mankind
Mother Theresa showed the world the power of humanity.
Jupiter
n. the largest planet in our solar system, famous for its giant red spot
There is a distinctive red spot on Jupiter.
Venus
n. the second planet from the Sun Venus is the nearest planet to Earth.
material
n. matter which can be used to make things
Brick is a good material for building houses.
oxygen
n. a gas we breathe that humans and other animals need to live
You need to have an oxygen tank to stay underwater.
planet
n. a large body in space that goes around a star
I think Saturn is an interesting planet.
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