Cross Sections of 3D Figures

Front

What is a cross section?

Back

A cross section is the intersection of a solid object with a plane, resulting in a 2D shape.

Front

What shape is the cross section of a cube when cut horizontally?

Back

Rectangle.

Front

What shape is the vertical cross section of a cube?

Back

Square.

Front

What shape is the horizontal cross section of a sphere?

Back

Circle.

Front

What is the cross section of a cylinder when cut parallel to the base?

Back

Circle.

Front

What is the cross section of a cone when cut parallel to the base?

Back

Circle.

Front

What is the cross section of a cone when cut vertically through the apex?

Back

Triangle.

Front

What is the cross section of a rectangular prism when cut diagonally?

Back

Trapezoid.

Front

What is the difference between 2D and 3D shapes?

Back

2D shapes have length and width, while 3D shapes have length, width, and height.

Front

What is an example of a 3D figure?

Back

Cube, sphere, cylinder, cone.