Name: ____________________________ Light Quiz 1. Match the words with its correct definition (1 mark each). Transparent Light created by people. Translucent Objects which produce light. Opaque Material which lets some light through. Artificial Light Materials that let all light shine through. Natural Light Objects which reflect light. Luminous Objects Materials that block all light. Nonluminous Objects Light created by nature. 2. True or False (1 mark each). a) Light does not travel in a straight line. _____ b) Transparent materials (glass, water) can bend light like a lens. _____ c) White light cannot be separated into a rainbow of colours called a spectrum. ______ d) The moon is a nonluminous object. _______ e) Black items reflect all the colours of the spectrum. _______ 3. Write the colours of the rainbow (spectrum) (1 mark each). _______________ , _______________ , _______________ , _______________ , _______________ , _______________ 4. Print A beside the artificial light sources and N beside the natural light sources (1 mark each). a) computer _______ b) sun _______ c) fireflies ________ d) neon signs _________ e) flashlight ________ f) cell phone _________ g) stars _________ h) magma (lava) _________ 5. Draw a diagram of how light travels in a straight line, hits a mirror and reflects off it in a straight line (label the sources, reflected beam of light and mirror (3 marks).