| A | B |
|---|
| Cylinder | key to internal combustion engine |
| Piston | forced down in engine from pressure |
| Combustion | happens when piston reaches the top of its upward stroke |
| Explosion | the burning of the mixture of fuel and air in an internal combustion engine |
| Weight | downward force that Earth's gravity exerts on all objects |
| Drag | resistance of air against anything that moves through it |
| Lift | an upward pull |
| Thrust | any force that moves a plane forward |
| Airfoil | wing's shape makes air moving above wing move faster than air passing below creating lift |
| Jet Engine | sucks air in the front and spits it out the back |
| Gasoline | burned and creates a tiny explosion inside the cylinder |
| Dashboard | a panel beneath the front window of a vehicle having various gauges and accessories for the use of the driver; instrument panel |
| Headlight | a light on the front of a vehicle |
| Friction | oil is used to reduce this in cars, which could cause damage or overheating |
| Hybrid | 2 types of power (like gas & electric) used to power vehicle |
| Propeller | used by some planes to generate thrust |
| Brake | a device for slowing or stoppng a vehicle |
| Pollution | burning fossil fuels like gasoline causes pollution |
| Gravity | force that pulls matter toward the center of the Earth |
| Assembly Line | used for mass production, in a factory |
| Air Pressure | the force exerted by air, whether compressed or unconfined, on any surface in contact with it. |
| Streamline | the path of a particle that is flowing steadily and without turbulence in a fluid past an object |
| Resistance | the act or power of resisting (drag) |
