Can you find these words about Earth Day? ……

About 97% of Earth’s water is saltwater (盐水). ……

比恐龙还老！Turtles lived on the Earth before the dinosaurs (恐龙). ……

There is enough gold in the ocean for each person on the Earth to have 1kg. ……

The moon is about 384,400 km away from Earth. It would take about three years to ride a bike from Earth to the moon.The moon is about 384,400 km away from Earth. It would take about three years ……

地球一小时。DID you turn off the lights in your house on Saturday? The Earth Hour of 2010 started at 8:30 pm on March 27. Earth Hour started in 2007. People turn off lights for an hour in March every year ……

地球一小时。DID you turn off the lights in your house on Saturday? The Earth Hour of 2010 started at 8:30 pm on March 27. Earth Hour started in 2007. People turn off lights for an hour in March every year ……

我们一起来爱护地球We live on a beautiful planet. But how much do you know about it?Fun facts about the Earth 地球小秘密The Earth is about 4.6 billion (十亿) years old! It’s younger than the sun. The sun is about 5 ……

Miss Earth 2016, Ecuador’s Katherine Espin, is crowned by last year’s winner, Angelia Ong of the Philippines. The 16th Miss Earth pageant, held on Oct 29 at the Mall of Asia Arena in Pasay City ……

How oldThe moon is about 4.5 billion (十亿) years old. That’s about the same age as the Earth.How bigIf the Earth is a basketball, the moon is a tennis ball (网球). ……

Can you find the following words about Earth Day in the box?earth energy (能源) recycle (再循环) pollution (污染)green protect (保护) reuse (再利用) environment (坏境) ……

地球日April 22 is Earth Day. Earth Day is 40 years old this year. The first Earth Day was on April 22... more and more people care for Earth and the environment2. How much do you know about Earth? Please ……

About 500 smallmeteorites(陨石) fall to Earth every year. (But most of them fall into the sea and remote areas.) ……

In this puzzle, you have to find your way through the solar system, from Earth to Pluto. Can you do it? ……

Bloodiest killerMosquitoes transmitting countless diseases kill more animals - including humans - than any other animal (or plant) on Earth. ……