WONDER #535: What Is a Sonic Boom?

Question 1 of 3

A sonic boom is a loud sound caused by shock waves created by any object that travels through the air faster than the speed of what?

1. light
2. sound
3. cheese
4. water

Question 2 of 3

If a plane is flying at the speed of sound, it is said to be going what?

1. Mach 1
2. Mach 2
3. Mach 3
4. Mach 4

Question 3 of 3

At an altitude of about 20,000 feet, sound travels at about how many miles per hour?

1. 350
2. 500
3. 660
4. 761

Check your answers online at https://wonderopolis.org/index.php/wonder/What-Is-a-Sonic-Boom.