Yes. Various air-powered vehicles have been tested, including some utilizing compressed air. Search for the name, AIRPod to find such a vehicle from Zero Pollution Motors to learn more.
A scientist uses the information as a beginning for solving a problem.
Scientists are still trying to determine the uses of buckyballs. Some think they could be used to improve photovoltaic cells and store hydrogen.
Since atoms make up all matter, including ourselves, everything that anyone makes or uses is composed of atoms. One way Scientists use atoms to make our lifes easier is by spliting them for lots of easy and potent power which we call Nuclear power. Well it may have some risks, it is considered to be even safer than flying.
Scientists
An example sentence could be: "Scientists are currently trying to find out why the Earth's mantle and plates are moving at a rapid rate".
Because the smoke detector uses power while trying to detect smoke.
scientists
A collecting net often is used by scientists to collect insects. It is a good tool to use for those who are trying to find different species for research and other uses.
better energy sources for the upcoming future. an example to further study in trying to save the earth
You can make cakes and bread, lots of things...
Both.
Scientists and kids for their work