invention A creative solution to a problem. problem something that is difficult to fix. It needs a solution. solution This is how we fix a problem. wheel A car has four. A motorbike has two. useful This is something that helps us. It makes life easier batteries These store energy. Your phone has one. imagination When you think of ideas or pictures in your mind. creativity When you use your imagination to make something. idea When you think of something. You have an ______________. invent to create or produce (something useful) for the first time Electricity A form of energy caused by the movement of electrons. try I don't know if I can do it, but I'll .... fail She.... to finish the race. succeed You can ......school if you study hard Lift ....your hands to the sky! turn The Earth .... on its axis. use This machine is easy to.... design draw fashionable clothes or create machine