The layers of the air
Grade 6 Science Worksheet

Circle the best answer.
Ari lists the layers from the ground up. Which list is in the right order?
- Troposphere, stratosphere, thermosphere, mesosphere, exosphere
- Stratosphere, troposphere, mesosphere, thermosphere, exosphere
- Troposphere, mesosphere, stratosphere, thermosphere, exosphere
- Troposphere, stratosphere, mesosphere, thermosphere, exosphere
Which layer lies between the stratosphere and the thermosphere, Bo?
- Exosphere
- Troposphere
- Mesosphere
- Ozone layer
Which layer is the outermost one, fading away into space, Esme?
- Stratosphere
- Mesosphere
- Thermosphere
- Exosphere
Read this first
Use this
Cross-section of the atmosphere, not to scale.
Using the cross-section, about how high is the top of layer B, Jun?
- About 10,000 km
- About 50 km
- About 80 to 85 km
- About 10 to 12 km
A weather balloon climbs above the clouds to about 35 km before it bursts. Which layer is it in then, Kira?
Use the picture in question 4.
- Stratosphere
- Thermosphere
- Troposphere
- Mesosphere
A small research rocket samples the air about 70 km up. Which layer is that, Luz?
Use the picture in question 4.
- Stratosphere (layer B)
- Mesosphere (layer C)
- Exosphere (layer E)
- Thermosphere (layer D)
A weather balloon carries a thermometer up through the stratosphere. What happens to the air temperature around it, Milo?
- It stays at 0 °C
- It falls to the coldest on Earth
- It rises
- It falls, as in the troposphere
Brrr! Near the top of which layer is the coldest air in the atmosphere, Noah?
- Mesosphere: about −85 to −90 °C
- Troposphere, as it touches the ground
- Thermosphere, as it is higher up
- Exosphere, as it is the highest
Astronauts live on the International Space Station. In which layer does the station orbit, Tala?
- Thermosphere
- Troposphere
- The ozone layer
- Mesosphere
Noctilucent clouds, the highest clouds of all, glow after sunset near the poles. In which layer do they form, Zee?
- Exosphere
- Troposphere, where most clouds form
- Mesosphere
- Stratosphere

