The 2nd term midterm for 1st-year junior high science is decided by light diagrams and density

In the second term of 1st-year junior high science, units begin that explain invisible phenomena, such as light and sound, ...
TES

Light Refraction: Spear Fishing Diagram Task

Interactive light refraction diagram using a spear-fishing context. Students label angles, media, and fish positions to show how refraction works. Full Description Engaging KS3/GCSE Science activity ...
BBC

Refraction and lenses

Light is refracted when it enters a material like water or glass. Depending on the density of the material, light will reduce in speed as it travels through, causing it to change direction. Ray ...
BBC

Refraction of waves - Higher

Watch this video to explore how refraction happens and how waves change direction as a result. A ray diagram showing refraction at the boundary between air and glass Refraction can cause optical ...