| A | B |
|---|
| Find the speed of a runner that travels a distance of 50 meters in 40 seconds. | 1.25 m/s |
| Velocity is the measurement that combines both the speed and the ___. | direction |
| Which of the following is a force? | buoyancy |
| Sir Isaac Newton wrote ___ laws of motion. | three |
| ___ makes it difficult to slide on rough surfaces. | friction |
| Bobby had a piece of crumpled paper, and and Sally had a piece of flat paper. If both Bobby and Sally allowed them to drop at the same time, which would land on the floor first and why? | The crumpled paper would land first because of drag force. |
| A force that causes an object to change its motion is ___. | unbalanced force |
| Newton's third law says there are two forces. One is an action force and the other is a(n) ___ force. | reaction |
| Any push or pull from one object is called ___. | force |
| The ability to perform work or to change and object is ___. | energy |
| The energy an object possesses due to its position above Earth's surface is ___. | gravitational potential energy |
| The law of conservation of energy states that energy cannot be ___ or ___. | created/destroyed |
| Energy that is stored in the position or structure of an object is called ___ energy. | potential |
| ___ energy can take many forms. One example of this is heat energy in the vibrations of particles. | Kinetic |
| Which object has only potential energy? | a stretched rubber band |
| ___ is transfered by electromagnetic rays. | Radiation |
| Infrared cameras are best used to take pictures during ___. | the night |
| A(n) ___ conductor is a material which can transfer heat easily. | thermal |
| A material's heat capacity partly depends on how its ___ hold together. | particles |
