Street lighting for primary schools

LEARNING OBJECTIVES:„Street lighting for primary schools“ aids to stimulate thinking about the following areas:- The role of Mathematical skills in real life and value of creative and exact problem solving- The connection between various mathematical skills: graphing, using functions and formulas- Using mathematical skills to solve problems and team cooperation

Author: Mgr. Alena BuroňováSchool: ZŠ a MŠ Ostrava-Zábřeh, Kosmonautů 15, příspěvková organizaceCzech Republic

„Lighting" engineers, specialists on public lighting, claim that a streetlight can effectively lighten area withradius approximately 3 times greater than height.

18 m

6 m

radius

height

18 m

6 m

18 m

6 m 6 m

18 m

6 m

dark area

What happens if the lamp posts are far away from each other?

18 m

6 m

18 m

6 m

18 m

6 m

18 m

6 m

too much light

What happens if the lamp posts are close to each other?

house

18 m

6 m

18 m

6 m

The light gets in the rooms through the windows.

What happens if the lamp post is too close to the house?

How can we solve the problem with lighting the street but not the rooms in the house?

We need a good shape of a streetlight cover.

house

We need a good shape of a streetlight cover.