*Question*
Q: What can be calculated by multiplying an object's mass in kilograms (kg) by its velocity in meters per second (m/s)? Choices: - energy - height - ground speed - momentum A:
**Answer**
momentum

*Question*
Q: When the sun is below the horizon and thus not visible on a direct line, the light path will bend slightly and thus make the sun visible by what? Choices: - reflection - thermal - infrared - refraction A:
**Answer**
refraction

*Question*
Q: What is the process of moving air into and out of the lungs called? Choices: - naturalization - hydration - insulation - ventilation A:
**Answer**
ventilation

*Question*
Q: Materials that can be magnetized are called? Choices: - atoms materials - iron materials - inclusions materials - ferromagnetic materials A:
**Answer**
ferromagnetic materials