The air on Earth contains only Oxygen (True/False)
False
It takes _____ hours for the Earth to go 1 round around itself
24
Earth is the only planet in the Solar system that has ______ on its surface
water
Some planet has many Moons, but Earth has only _____ Moon
one
Earth is the only planet in the Solar system inhabited by living things (True/False)
True
Earth is ________ years old
45 billion
45 million
4.5 million
4.5 billion
Earth is also called the _______
Blue planet
Big planet
Round planet
Small planet
Earth day reminds us to go green and reduce, reuse, and
redo
recycle
reread
rewrite
The Earth ______ around the Sun
revolves
97% of Earth's water is salt water (True/False)
True
Earth is the ______ largest planet in the Solar system
fifth
Earth is the _______ planet from the Sun
third
80% of life on Earth lives under the ocean (True/False)
True
Earth is about __________ away from the Sun
149 billion kitometers
1490 kilometers
149 kilometers
149 million kilometers
It takes _____ days for the Earth to go 1 round around the Sun
365
The Earth's shape is an oblate spheroid (True/False)
True