Air masses, fronts and the weather they bring

Grade 6 Science Worksheet - Building Confidence

Circle the best answer.

1. 1.

   Ari's weather map shows an air mass forming over snowy northern Canada. What kind of air does it hold?

   • Cold, dry air
   • Hot, dry air
   • Warm, humid air
   • Cold, moist air like ocean air
2. 2.

   Warm ocean". An air mass forms over the warm Gulf of Mexico. What kind of air does Bo expect it to hold?

   • Warm, humid air
   • Cold, dry air
   • Warm, dry air
   • Cold, moist air
3. 3.

   Weather map with a blue line whose triangles point east. On Jun's weather map, a blue line has triangles pointing toward the east. What does the line show?

   • A high-pressure center
   • A cold front
   • A stationary front
   • A warm front
4. 4.

   Weather map with a red line whose half-circles point north. A red line with half-circles crosses Luz's weather map. What does it show?

   • The edge of a cloud
   • A warm front
   • A line of low pressure
   • A cold front
5. 5.

   Weather map with a line of alternating blue triangles (one side) and red half-circles (other side), pointing opposite ways. A line on Milo's map has blue triangles on one side and red half-circles on the other, pointing opposite ways. What is it?

   • A state border
   • A stationary front
   • A warm front
   • A cold front
6. 6.

   A big blue H sits over Noah's town on the weather map. What weather is most likely?

   • Heavy snowstorms
   • Clouds and steady rain
   • Mostly clear and calm
   • A cold front passing
7. 7.

   An L at the ground with arrows left blank above it. Under a low-pressure center, which way does the air move, by Ren's notes?

   • Up, cooling and forming clouds
   • Nowhere; the air stays still
   • Down, drying out the sky
   • Up, but no clouds can form
8. 8.

   Map with an arrow from northern Canada down into Minnesota, labeled continental polar. In winter, a continental polar air mass moves into Minnesota. What weather does Tala expect?

   • Cold, very damp days
   • Warm, humid days
   • Cold, dry, clear days
   • Hot, dry days
9. 9.

   Map with an arrow from the North Pacific Ocean into Washington State, labeled maritime polar. Air from over the cool North Pacific Ocean blows into Seattle. What is that air like, says Zee?

   • Hot and dry
   • Cool and very dry
   • Cool and moist
   • Hot and moist
10. 10.

    In summer, maritime tropical air flows north from the Gulf into Georgia. What does Esme feel outside?

    • Warm, sticky, humid air
    • Warm, very dry air
    • Cool, crisp air
    • Cold, dry air