Planets have different sizes and shapes.

Meaning: Planets are not all the same size or shape.

Choice of Words: Planets are large objects that orbit stars. Different means not the same. Sizes refers to how big or small something is. Shapes refers to the form or outline of something.

Alternative Expressions

Planets have different sizes.

Meaning: This means that not all planets are the same size. Some are really big, like Jupiter, and some are really small, like Mercury.

Choice of Words: Planets are big round balls that move around the sun. Sizes means how big or small something is. When we say "Planets have different sizes," we mean that some planets are bigger than others.

Planets have different shapes.

Meaning: This means that not all planets look the same. Some are round like Earth, and some are more oval-shaped, like Mars.

Choice of Words: Shapes describe the outside of something. Planets can be round like a ball, or they can be flat like a disc. When we say "Planets have different shapes," we mean that they don't all look the same.

Related Expressions