Fill in the blanks with the correct answer. Choose from the words below.
1. _______________ pass through certain materials like different kinds of lenses.
2. Refraction is the _______________ of light at is travels from one type of material to another.
3. The pencil looked _______________ when submerged in a glass of water.
4. A lens _______________ light.
5. The light travels _______________ in the water and the glass than in the air.

bending     
light      
waves   
slower     
refracts     
bent/broken​