*Question*
An object has greater momentum if it has greater mass, greater velocity, or both. A larger boulder will roll down a hill faster or slower than a smaller one?
**Answer**
faster

*Question*
Air in the troposphere is warmer closer to Earths surface. Micah is entering the atmosphere, and is approaching the Earth's surface. As he's passing through the troposphere, the air is going to get warmer or colder?
**Answer**
warmer

*Question*
Less massive objects also have less gravity than more massive objects. The most massive objects have higher or lower gravity than less massive objects?
**Answer**
higher

*Question*
On a hot day, an endotherm may give off more heat by increasing blood flow to the surface of the body. Karen is feeling very warm, and starts to sweat. Her blood flow is increased, likely because the day is hot or cold?
**Answer**
hot