By using multiple stages, empty fuel containers could drop away. This reduced the mass of the rocket so that it could fly higher. What happens when you make a rocket heavier goes higher or falls down?
falls down

More particles inside the container means more collisions, and more collisions mean a higher pressure. Sara is in a container representing an object. Her container has 30 balls flying around, representing particles. Tyler is in another container, and his contains 5 balls. Which person's container likely would be under the least pressure Sara's or Tyler's?
Tyler's

Q: Less massive objects also have less gravity than more massive objects. Dan's larger globe will have this kind of gravity compared to his smaller globe: more or less?
A: more

Question: The hotter a main sequence star is, the brighter it is. Rachel was looking into the night sky. The darkest star is most likely: the hottest or the coldest?
Answer: the coldest

*Question*
The closer together the particles in a longitudinal wave are, the greater the amplitude. Causing particles in a longitudinal wave to come together causes the amplitude to decrease or increase?
**Answer**
increase

Q: Different types of rocks weather at different rates. More resistant types of rocks will remain longer. Carter puts two rocks outside; one is a soft pebble, the other is a solid stone. A year later, he checks on the rocks. The solid stone is still there because it has a resistance that is greater or lesser?
A: greater