1. It only took a few seconds for the drone to ignite and crash.

2. If you do it too slowly, you could ignite inflation.

3. It is behavior that can ignite road rage in nearby human drivers.

4. That effort seemed certain to ignite more political fireworks.

5. Brown dwarfs are bodies without enough mass to ignite nuclear fusion and become stars.

6. Democrats helped ignite the partisan warfare over judges that continues to this day.