Tag Archives: science and technology for kids

Boat is a vehicle also known as a watercraft. It has a hull which is the body, walls called bullheads, and deck which is the floor. Underneath the boat are the keel which keeps the boat from tipping sideways, and the rudder which helps to steer the boat. The boat …

Bus is a vehicle meant to carry many persons on the road. It is large with wheels and commonly used as public transport. The bus picks up passengers at a bus stop or a bus station. The bus comes in many types. A coach is used for driving long distances …

Car is a vehicle that carries a small number of passengers on the road. It has wheels, a steering system, an engine or a motor, a body made of steel, strong plastics or fiberglass, a chassis, and brakes. The car comes in many types. Most cars are closed but a …

Ship is a vehicle that is large and sturdy. It is a self-propelled watercraft or vessel that transports people and goods across seas, oceans and lakes. The word ship denotes a vessel of more that 500 tonnes of displacement. A ship may be designed to carry a specified weight of …

Submarine is a vehicle also called a watercraft that is used to travel deep under the ocean. It has huge ballast tanks that allow it to dive and to surface. The submarine uses engines, batteries, nuclear power sources, or a combination of these. It has propellers that push it through …