A stop sign is an octagon, which has eight sides and eight angles.

The sky is blue because of the way sunlight interacts with the Earth's atmosphere.

A pizza is typically round, which is a circle.

Bananas are typically yellow when they are ripe.

A basketball is a sphere, which is a three-dimensional shape that is round.

Fire trucks are typically red because red is a color that is easily visible from a distance.

Books are typically rectangular in shape.

Leaves in the fall often turn orange because of the breakdown of chlorophyll, which is a green pigment.

Stoplights are typically circular in shape.

Lemons are typically yellow when they are ripe.

A baseball is a sphere, which is a three-dimensional shape that is round.

Roses are typically red, although they can also be other colors such as pink, yellow, or white.

A pyramid is a three-dimensional shape that has a triangular base and four triangular sides.

Blueberries are typically blue or purple in color.

A cube is a three-dimensional shape that has six square sides.