Quick answer: Average speed is the total distance an object travels divided by the total time it takes, written v = d ÷ t. This grade 6 science test on average speed has 9 questions worth 20 marks, to do in 45 minutes: key words, ferry crossing and unit change. The mark scheme is on a separate page; free printable PDF.
This test lasts 45 minutes and is worth 20 points. Show your working for every calculation and write units with all your answers. A calculator is allowed. Read each question carefully before you start.
Level: Grade 6 science (Year 7 · Class 6) · Curriculum: MS-PS2-2
Question 2 Ferry crossing (2 marks)
A ferry crosses a bay of width 15 km in 0.75 h. Calculate its average speed in km/h.Question 3 Unit change (2 marks)
A train travels at 144 km/h. Calculate its speed in m/s.Question 4 Tram graph (4 marks)
The graph shows the journey of a tram along a straight track.- State what the tram does between 20 s and 40 s. (1 mark)
- Calculate its speed during the first 20 s. (1 mark)
- Calculate its speed during the last 20 s. (1 mark)
- Calculate its average speed over the whole 60 s. (1 mark)
Question 5 Marathon pace (2 marks)
Kofi runs at a steady 5.5 m/s for 20 minutes. Calculate the distance he covers in metres.Question 6 Moving or not? (3 marks)
A passenger sits on a plane that flies at 250 m/s relative to the ground. Explain why she can be described as at rest and as moving at the same time.Question 7 Faster or slower? (2 marks)
Bilal says that a car moving at 30 m/s is slower than a car moving at 90 km/h. Decide whether he is right and show your working.Question 8 Freight train (2 marks)
A freight train covers 450 km at an average speed of 75 km/h. Calculate the time taken.Question 9 SI unit (1 mark)
State the SI unit of speed.
