1) Which of the following is a source of light? a) Mirror b) Candle c) Ring 2) What is the most important source of light on Earth? a) Fire b) The Sun c) Torch 3) Which of these objects reflects light rather than producing it? a) Mirror b) Candle c) Torch 4) Why do we need to protect ourselves from sunlight? a) It helps us stay warm b) It can burn our skin c) It is too dim 5) Which object would produce the brightest light? a) Sun b) Small torch c) Candle 6) What material would help you see best in dim light? a) Wood b) Reflective fabric c) Paper 7) Which of these is a nocturnal animal? a) Dog b) Bat c) Rabbit 8) What happens to light when it reflects off a surface? a) It bends b) It bounces back c) It disappears 9) What kind of animal can make its own light? a) Owl b) Firefly c) Snake 10) Why do drivers use reflectors at night? a) They generate light b) They bounce light back to make objects visible c) They change the color of light 11) Which of the following sources of light is the weakest? a) Sun b) Floodlight c) Nightlight 12) What kind of surface reflects the most light? a) Shiny surface b) Rough surface c) Dark surface 13) Which of the following would make the best reflector? a) Cardboard b) Mirror c) Wood 14) Which object can bend light? a) Torch b) Tree stump c) A prism 15) Why do fireflies glow in the dark? a) To scare away predators b) To attract mates or food c) To warm themselves 16) How does light travel? a) It moves in circles b) It travels in straight lines c) It zigzags 17) What is a ray of light? a) A type of shadow b) A straight line of light c) A bent beam of light 18) Which material would best reflect light? a) A mirror b) A wooden block c) A piece of paper 19) Which of these objects makes light? a) A torch b) A mirror c) A shoe 20) What happens to light when it hits a smooth surface like a lake? a) It reflects in the same direction b) It gets absorbed c) It bends 21) What does a periscope use to reflect light? a) Two mirrors at 45 degrees b) A single lens c) Water 22) Why do shadows form? a) Because of reflections b) Because an object blocks light c) Because light bends around the object 23) How can you make a silhouette? a) By casting a shadow and tracing around it b) By drawing the face directly c) By shining light through the object 24) What happens when light is blocked by an object? a) It reflects back b) A shadow forms c) The object glows 25) What kind of light travels out from a torch? a) Curved beams b) A beam made of rays in straight lines c) Wavy light 26) What is the angle of light reflection if the angle of incidence is 45 degrees? a) 30 degrees b) 45 degrees c) 90 degrees 27) Which of the following can create its own light? a) A firefly b) A stone c) A tree 28) When you shine a torch through a comb, what do you observe? a) The light spreads out in circles b) Straight lines of light pass through the gaps c) The light disappears 29) What do smooth surfaces do to light? a) Reflect light in the same direction b) Absorb all the light c) Scatter light in all directions 30) What happens if you look at light through a small hole in a shoebox? a) The light will bend around the box b) You will see a straight beam of light c) The light will disappear 31) What is the main purpose of shadow puppetry? a) To create music b) To display colors c) To tell stories through shadows 32) How are shadow puppets usually performed? a) Puppets are placed behind the audience b) Puppets are placed between a light source and a screen c) Puppets are placed in front of the audience 33) What happens when parts of the shadow puppet are cut out? a) The puppet becomes heavier b) Light passes through the cut-out parts, adding details to the shadow c) The puppet disappears

Unit 3 Light

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