12-18 years

Where Are You? Locating by the Sun

Dificultad: ★

Studies on the Shadow of an Obelisk Used as Horizontal Sundial

Dificultad: ★

Measuring the diameter of the Sun

Dificultad: ★

Observations with a Pinhole Camera

Dificultad: ★

Let us measure the excentricity of the terrestrial orbit

Dificultad: ★ ★

Let us observe the daily path of the Sun

Dificultad: ★

Lisa Pathfinder paper model

Dificultad: ★ ★

Hubble Space paper model

Dificultad: ★ ★

Alma transporter paper model

Dificultad: ★ ★

Scale Models

Dificultad: ★ ★ ★ ★

The Sun above and below the local horizon

Dificultad: ★

Black hole

Dificultad: ★ ★ ★

Path of the North pole

Dificultad: ★ ★ ★

Teaching the origin of seasons

Dificultad: ★ ★ ★ ★ ★

Sunrise and sunset position change

Dificultad: ★ ★

Solar Motion Demonstrator

Dificultad: ★

Universal simulator of the solar approach movement

Dificultad: ★ ★ ★

Mirror, Mirror 

Dificultad: ★ ★ ★

Hot Air

Dificultad: ★ ★ ★

Delta, Delta, Delta

Dificultad: ★ ★ ★

Telescope Allocation Committee

Dificultad: ★ ★ ★

Astro-Madness

Dificultad: ★ ★ ★

Super Gelatin

Dificultad: ★

Telescope technology

Dificultad: ★