12-18 years

Where Are You? Locating by the Sun

Dificultate: ★

Studies on the Shadow of an Obelisk Used as Horizontal Sundial

Dificultate: ★

Measuring the diameter of the Sun

Dificultate: ★

Observations with a Pinhole Camera

Dificultate: ★

Let us measure the excentricity of the terrestrial orbit

Dificultate: ★ ★

Let us observe the daily path of the Sun

Dificultate: ★

Lisa Pathfinder paper model

Dificultate: ★ ★

Hubble Space paper model

Dificultate: ★ ★

Alma transporter paper model

Dificultate: ★ ★

Scale Models

Dificultate: ★ ★ ★ ★

The Sun above and below the local horizon

Dificultate: ★

Black hole

Dificultate: ★ ★ ★

Path of the North pole

Dificultate: ★ ★ ★

Teaching the origin of seasons

Dificultate: ★ ★ ★ ★ ★

The Sun and its daily and annual paths

Dificultate: ★

Sunrise and sunset position change

Dificultate: ★ ★

Solar Motion Demonstrator

Dificultate: ★

Universal simulator of the solar approach movement

Dificultate: ★ ★ ★

Mirror, Mirror 

Dificultate: ★ ★ ★

Hot Air

Dificultate: ★ ★ ★

Delta, Delta, Delta

Dificultate: ★ ★ ★

Telescope Allocation Committee

Dificultate: ★ ★ ★

Astro-Madness

Dificultate: ★ ★ ★

Super Gelatin

Dificultate: ★

Telescope technology

Dificultate: ★