The Earth's layers are caused by what the Earth is made of and how it formed. The core is made of metal (mostly iron), while the rest of the Earth is made of rock, and metal and rock don't mix (kind of like oil and water). So back when the Earth was first forming, the met...
Earth's atmosphere (大气) is made of the layers of air that is around Earth. Thanks to the O2 found in the atmosphere, humans and other animals can breathe. The atmosphere has four layers. The closest layer to Earth is the troposphere. The troposphere reaches from Earth to about 8 to ...
The earth is made up of several layers(地层). The top layer of the earth is called the earth’s crust . The crust is vided into sections which are called plates. When two plates push against each other, or when two plates rub against each other, an earthquake happens. An earthquake ...
There are many ways in which large pieces of rock break into smaller ones.Wind,water,heat and cold help to break up rocks.When winds blow grains of sand against a large rock for a long time,the softer layers of the rock are slowly worn away.These leave holes and cracks in the rock,...
When winds blow grains of sand against a large rock for a long time the softer layers of the rock are slowly worn away. These leave holes and cracks (裂缝) in the rock which become bigger and finally the rock breaks up into smaller pieces. The moving water of streams and rivers also ...
What is the Earth Made of Thiswhat is the Earth made oflesson is a fun, hands-on earth science unit for preschoolers, kindergartners, grade 1, grade 2, and grade 3 students. We will explore the4 layers of the Earthusing a fun, informational, and easy-to-read book. Then we will di...
When winds blow grains of sand against a large rock for a long time, the softer layers of the rock are slowly worn away. These leave holes and cracks (裂缝) in the rock, which become bigger and finally the rock breaks up into smaller pieces. The moving water of streams and rivers ...
There are many ways in which large pieces of rock break into smaller ones.Wind,water,heat and cold help to break up rocks.When winds blow grains of sand against a large rock for a long time,the softer layers of the rock are slowly worn away.These leave holes and cracks in the rock,...
Earth's atmosphere (大气) is made of the layers of air that is around Earth. Thanks to the O2 found in the atmosphere, humans and other animals can breathe. The atmosphere has four layers. The closest layer to Earth is the troposphere. The troposphere reaches from Earth to about 8 to ...
Earth's atmosphere (大气) is made of the layers of air that is around Earth. Thanks to the O2found in the atmosphere, humans and other animals can breathe. The atmosphere has four layers. The closest layer to Earth is the troposphere. The troposphere reaches from Earth to about 8 to 15...