
Bell Ringer Quiz 4 (Unit2 Week1) – TEKS 7.7A: Real-World Segment Data: Average Speed
Quiz by Grade 7 Science - Texas Education Agency
Track each student's skills and progress in your Mastery dashboards
At a Science Olympiad relay, three teammates move a sensor cart:
• Student A: 120 m in 20 s
• Student B: 80 m in 15 s
• Student C: 100 m in 25 s
What is the overall average speed of the cart?
A school bus travels 3.0 km in 5 min, waits in traffic for 2 min (no movement), then goes 2.5 km in 4 min. What is the average speed for the entire trip (in km/min)?
A swimmer’s workout is recorded in a table of segment distances:
• 0–2 min: 150 m
• 2–6 min: 300 m
• 6–7 min: 50 m
What is the average speed for the whole 7 minutes (in m/min)?