Words that start with R

Something is round if it has the same shape as a circle or a sphere. The hole in the piece of wood in the picture is round. Round is also a short form of around.

Things are in rows if they are in parallel lines, an equal distance apart. Things would be in a row if they are spaced equal distances apart, all facing the same way. When you take off your shoes outside someone's house, you line them up in a row.

Rubber is an interesting material that has some interesting properties, including of elasticity - it can be forced out of shape and will snap back to its original shape once you remove the force. Rubber can be made from either natural latex or manufactured synthetically in a factory.

Rubbish is another word for trash.

A Rubik's cube is a 3-dimensional puzzle invented in 1974. It has nine squares on each side. You can move parts of the cube around so that the colors get mixed up. When the puzzle is solved, each side will have all the squares the same color.