# Glencoe Science Level Red

## Chapter 12: The Atmosphere in Motion

### Solve a One-Step Equation

 1. Air moves from an area of high air pressure to an area of low pressure. The wind that is created travels a distance of 16 km in 2 h. What is the wind speed? A) 8 km/h B) 10 km/h C) 12 km/h D) 6 km/h 2. Air moves from an area of high air pressure to an area of low pressure. The wind that is created travels a distance of 75 km in 3 h. What is the wind speed? A) 25 km/h B) 22 km/h C) 21 km/h D) 29 km/h 3. Air moves from an area of high air pressure to an area of low pressure. The wind that is created travels a distance of 66 km in 4 h. What is the wind speed? A) 16.5 km/h B) 12.5 km/h C) 11.6 km/h D) 10.6 km/h 4. Air moves from an area of high air pressure to an area of low pressure. The wind that is created travels a distance of 82 km in 4 h. What is the wind speed? A) 2.05 km/h B) 3.05 km/h C) 3.66 km/h D) 1.22 km/h 5. Air moves from an area of high air pressure to an area of low pressure. The wind that is created travels a distance of 22 km in 2 h. What is the wind speed? A) 11 km/h B) 13 km/h C) 12.5 km/h D) 12.8 km/h 6. Air moves from an area of high air pressure to an area of low pressure. The wind that is created travels a distance of 28 km in 4 h. What is the wind speed? A) 7 km/h B) 5.5 km/h C) 7.5 km/h D) 5.2 km/h 7. Air moves from an area of high air pressure to an area of low pressure. The wind that is created travels a distance of 42 km in 3 h. What is the wind speed? A) 14 km/h B) 16.5 km/h C) 17 km/h D) 12 km/h 8. Air moves from a cool area to a warmer area. The wind that is created moves 26 km in 2 h. What is the wind speed? A) 13 km/h B) 15 km/h C) 11.5 km/h D) 10 km/h 9. Air moves from a cool area to a warmer area. The wind that is created moves 34 km in 8 h. What is the wind speed? A) 4.25 km/h B) 5.55 km/h C) 6.6 km/h D) 7 km/h 10. Air moves from a cool area to a warmer area. The wind that is created moves 88 km in 4 h. What is the wind speed? A) 22 km/h B) 26 km/h C) 28 km/h D) 18 km/h