1. A car can travel 50 meters in 10 seconds. A fast motorbike can travel 5 met
cover 500 meters in 100 seconds. Which vehicle has the highest speed?
A. The bike has the highest speed because it has the shortest travel tim
B. The bus has the highest speed because it can travel the greatest dis
C. The car has the highest speed because it travels a great distance in
D) All their speed are equal.
2. Why are metals good conductors of heat and electricity?
I. It allows electricity to pass through
II. It prevents the flow of electricity
III. It blocks the flow of electricity
A. I only B. II only C. I and II D. II and III
Wearing light-colored clothes on a hot sunny day is more comfortable​