Erosion is the process of constant disintegration of rocks and surfaces due to physical factors like wind, ice, water, and climate change. Weathering, on the other hand, is the constant decaying of rocks and surfaces due to various climatic changes that
Let’s take sand dunes in deserts for example. After a strong sand storm, you will find several new sand dunes standing on the place where there was not even an anthill before the storm. How does Erosion happen? Powerful winds and running water bodies erode the rock and sand that lie in...
Soil Pollution Lesson for Kids from Chapter 11 / Lesson 40 59K Learn about soil pollution and the different pollutants that contaminate the soil, such as trash, debris, medical waste, and toxic chemicals. Understand how pollutants get into the soil, their harmful effects, and how to address...
What does this mean? Let's take a look at the results of last month's survey. Among 1, 499 Junior 1 students from ten schools in Guangzhou, about 30 percent suffer from dental erosion (牙齿酸蚀症). Doctors say that this is related to (与……有关) the soda students ...
Does Uluru change color? How big is Uluru National Park? How long did it take for Uluru to form? How has Uluru been affected by weathering and erosion? How has Uluru changed over time? When did Uluru become a national park? Where is Uluru-Kata Tjuta National Park?
Many teenagers around the country have the same habit as Sun does.In 2009,Shandong University did a survey(调查)of nearly 10,000 kids aged 6-17 in seven big cities including Beijing.It found that more than 60 percent of middle school students drink soda at home.What does this mean?②Amon...
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That doesn’t mean kids run free all day, though at times it can look like that. “If you’re standing outside a Norwegian kindergarten or just passing through, I would think you are looking at chaos,” said Anne Karin Frivik, head of kindergartens in the Bjerke borough of north Oslo...
It fo un d that mor e than 60 percent of middl e scho ol students drink so d a at home.What does this mean? Let's tak e a look at th e results of th e survey. Among 1,490 Junior1 students from ten schools in Guangzhou, ab out 30% suffer from dental erosion(牙齿酸蚀症)...
Kids: You can't eat it, Nij Nij: Oh! How does it turn into hard rocks? Heather: When it's too hot, nothing can stick together. But as the magma cools down, the elements start joining together and they start to make…. Sounds: Crystals start snapping together in the liquid lava Kid...