SPEED TEST

Jermaine and Josh observed an anthill for their science project. They observed that an ant moved 45.0 millimeters (mm) in 85.0 seconds (s). How fast was the ant moving?

• 0.53 mm/s

• 1.8 mm/s

• 130.0 mm/s

• 4225.0 mm/s

A swimmer is moving at a speed of 2.0 meters/second. How long will it take for the swimmer to go 100 meters?

• 20 seconds

• 50 seconds

• 100 seconds

• 200 seconds

In a competition, an athlete threw a flying disk 139 meters through the air. While in flight, the disk traveled at an average speed of 13.0 m/s. How long did the disk remain in the air?

• 0.09 seconds

• 1,807 seconds

• 10.69 seconds

• 139 seconds

If you shout into the Grand Canyon, your voice travels at the speed of sound (340 m/s) to the bottom of the canyon and back, and you hear an echo. How deep is the Grand Canyon at a spot where you can hear your echo 5.2 seconds after you shout?

• 1,768 meters

• 65.38 meters

• 0.02 meters

• 345 meters

What two measurements are necessary for calculating speed?

• Mass and time
• Temperature and mass
• Mass and distance
• Distance and time

A hot air balloon traveled 2.5 hours at a speed of 450 km/hr. What distance did it travel?

• 87 m/s
• 1300 m/s
• 180 km
• 1,125 km

What is the average speed of a walker who walks 500 m in 400 seconds?

• 1.25 m/s
• 100 m/s
• 0.8 m/s
• 200,000 m/s

A truck travels down the highway at a speed of 110 km/hr.  How long does the trip last if the truck covered 2200 km?

• 0.05 hours
• 20 hours
• 2,090 hours
• 242,000 hours

You are traveling at 100 km/hr to make it to work on time.  You have to be to work in .25 hours or you will be late.  You have 16 km to travel.  Will you make it to work on time?

• Yes
• No

A bird flies at a speed of 4 m/s.  It flies for 2160 seconds from its nest to the field.  How much distance did the bird cover?

• 540 meters
• 8,640 meters
• 2164 meters
• 2156 meters