1. A liquid used as fuel in car engines | p _ _ _ _ _ |
2. A ______ car is a car without drivers | d _ _ _ _ _ _ _ _ _ |
3. Energy from the sun | s _ _ _ _ |
4. An aircraft without wings that can fly straight up from the ground | h _ _ _ _ _ _ _ _ _ |
5. That travels, works or happens very fast | h _ _ _ - s _ _ _ _ |