This simple device determines the angle of elevation of any object. With some simple math you can use it to determine the height of a building, the altitude of a model rocket even your latitude.

This activity is contained in 5 separate pages, follow the  links at the bottom of each page.


Cut a rectangular piece of Bristol board or stiff card 15 cm X 20 cm

Draw lines on the card as indicated.

Classroom Support
Images of ruler positions.

Cut as shown.

Remove piece as shown.

Fold remaining piece over and tape in place.

Cut the angle template.

Open and print this page:

Adobe Acrobat: PDF file for angle template.

Glue the angle template to the card base.
It is important that the angle template is aligned accurately with
the edges of the card.

Draw a line from the 60 degree mark to 8 cm from end of card.

Cut as shown.

Link to Next Construction Steps:

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