12-18 years

Where Are You? Locating by the Sun

Kesulitan: ★

Studies on the Shadow of an Obelisk Used as Horizontal Sundial

Kesulitan: ★

Measuring the diameter of the Sun

Kesulitan: ★

Observations with a Pinhole Camera

Kesulitan: ★

Let us measure the excentricity of the terrestrial orbit

Kesulitan: ★ ★

Let us observe the daily path of the Sun

Kesulitan: ★

Lisa Pathfinder paper model

Kesulitan: ★ ★

Hubble Space paper model

Kesulitan: ★ ★

Alma transporter paper model

Kesulitan: ★ ★

Scale Models

Kesulitan: ★ ★ ★ ★

The Sun above and below the local horizon

Kesulitan: ★

Black hole

Kesulitan: ★ ★ ★

Path of the North pole

Kesulitan: ★ ★ ★

Teaching the origin of seasons

Kesulitan: ★ ★ ★ ★ ★

The Sun and its daily and annual paths

Kesulitan: ★

Sunrise and sunset position change

Kesulitan: ★ ★

Solar Motion Demonstrator

Kesulitan: ★

Universal simulator of the solar approach movement

Kesulitan: ★ ★ ★

Mirror, Mirror 

Kesulitan: ★ ★ ★

Hot Air

Kesulitan: ★ ★ ★

Delta, Delta, Delta

Kesulitan: ★ ★ ★

Telescope Allocation Committee

Kesulitan: ★ ★ ★

Astro-Madness

Kesulitan: ★ ★ ★

Super Gelatin

Kesulitan: ★

Telescope technology

Kesulitan: ★