12-18 years

Where Are You? Locating by the Sun

Difficulté: ★

Studies on the Shadow of an Obelisk Used as Horizontal Sundial

Difficulté: ★

Measuring the diameter of the Sun

Difficulté: ★

Observations with a Pinhole Camera

Difficulté: ★

Let us measure the excentricity of the terrestrial orbit

Difficulté: ★ ★

Let us observe the daily path of the Sun

Difficulté: ★

Lisa Pathfinder paper model

Difficulté: ★ ★

Hubble Space paper model

Difficulté: ★ ★

Alma transporter paper model

Difficulté: ★ ★

Scale Models

Difficulté: ★ ★ ★ ★

The Sun above and below the local horizon

Difficulté: ★

Black hole

Difficulté: ★ ★ ★

Path of the North pole

Difficulté: ★ ★ ★

Teaching the origin of seasons

Difficulté: ★ ★ ★ ★ ★

Sunrise and sunset position change

Difficulté: ★ ★

Solar Motion Demonstrator

Difficulté: ★

Universal simulator of the solar approach movement

Difficulté: ★ ★ ★

Mirror, Mirror 

Difficulté: ★ ★ ★

Hot Air

Difficulté: ★ ★ ★

Delta, Delta, Delta

Difficulté: ★ ★ ★

Telescope Allocation Committee

Difficulté: ★ ★ ★

Astro-Madness

Difficulté: ★ ★ ★

Super Gelatin

Difficulté: ★

Telescope technology

Difficulté: ★