Week 18 beginning April 28

 Grade 7-

Homework -in your notebook  briefly explain how a natural light phenomenon uses refraction: choose one of a) rainbow, b) solar halo or light pillar c) mirage

Grade 8 - if you ever visit 'Suomen keskipiste', remember to send me a photo!

Grade 9 (Long) -

Grade 9 (short) - 30 minutes on the exoplanet project