Read the question, and then use the drop-down menus to complete the paragraph. What is Earth’s atmosphere made of? The most abundant gas in Earth’s atmosphere is , followed by , which is needed to burn wood and fuel. The third-most abundant gas is . The amount of in the atmosphere is very small, making up just 0.033% of the atmosphere, but it is very important because plants use it to make simple sugars. Another important gas is water vapor, which condenses around in the atmosphere to form clouds and then rain.
argon ✔ oxygen nitrogen
✔ argon oxygen nitrogen
argon ✔ carbon dioxide nitrogen
✔ small particles ice crystals gas molecules
oxygen✔ watercarbon dioxide
✔ Sunground moon
Which statements correctly describe the properties of air? Select three options.
Which image shows the place where the pressure and density of the atmosphere would be lowest?
On a warm summer day, a severe storm happens, and a tornado forms.Which layer of the atmosphere is experiencing this storm?
During an evening hike, you see a shooting star just like the one pictured here.In which layer of the atmosphere does this shooting star occur?
One evening, you see the northern lights, which are shown in the image.In which layer of the atmosphere do the northern lights occur?
Use the drop-down menus to complete each sentence about the layers of the atmosphere. If the did not exist, Earth might be destroyed by chunks of rock from space. The is located 12 to 50 kilometers from Earth’s surface. Both the get colder as altitude increases. The ozone in the protects people from ultraviolet (UV) radiation. The has the highest temperature of any layer in Earth’s atmosphere.
mesosphere ✔ stratosphere ionosphere
thermosphere and troposphere stratosphere and mesosphere ✔ mesosphere and troposphere
thermosphere ✔ stratosphere troposphere
✔ thermosphere stratosphere troposphere
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