1) 1. Light Travels.  You can move in circles. You can zigzag. You can wiggle. But light is different. Look at the light from the lighthouse. It does not bend or curve. Light travels in straight lines. 🔦 Is the light from the lighthouse bending or traveling in a straight line? a) It's bending. b) It's traveling in a straight line. 2) A light bulb can help you see things in a room. The light travels in all directions from the light bulb. You see the rug on the floor and the pictures on the table. The light travels in all directions. 💡 Which direction does the light from a light bulb travel? a) It travels in all directions. b) It travels in a straight line. 3) A flashlight beams light in one direction. You see the things the light hits. 🔦 Which direction does the light from a flashlight travel? a) It travels in one direction. b) It travels in all directions. 4) 2. Light and Different Materials. The lid to the toy chest is closed. You cannot see inside. Light does not travel through wood. Materials like wood block light from coming through. 📦 Can light travel through wood? a) Yes, light can travel through wood. b) No, light can not travel through wood. 5) A window does not block light. It lets sunlight through. You can see things in the room. Light can travel through clear glass. Materials like clear glass let light through them. 🪟 Can light travel through clear glass? a) No, light can not travel through clear glass. b) Yes, light can travel through clear glass. 6) If you don't want so much light in a room, close a curtain. Now a little light enters the room. Materials like curtains let some light through them. ☀️ Can light travel through curtains? a) Yes. Some light can travel through curtains. b) No. Light can not travel through curtains.  7) Click on all of the objects that light can travel through. a) Brick b) Rock c) Ice d) Water 8) I want a lot of light to come through the window. Which window should the child pick? a) b) c) 9) I want no light to come through the window. Which window should the student pick? a) b) c) 10) I want some light to come through the window. Which window should the student pick? a) b) c) 11) 3. Mirrors and Light. What happens to light when it hits a mirror? You can find out. Point a flashlight at a mirror. The light bounces off the mirror. It goes another direction. Can you see the light on the wall? Mirrors change the direction of light. What can mirrors do to light? a) They can make the light jump up and down. b) They can change the direction of light. 12) Solve the riddle. I am made of glass. I can make light change direction. What am I? a) a flashlight b) a mirror c) a light bulb 13) Solve the riddle. I help you read at night. I move in all directions but only in straight lines. What am I? a) a flashlight b) a mirror c) a light bulb 14) Lesson Summary. Light travels in a straight line. Some materials block light. Some materials let light through. Mirrors change the direction of light. Which direction does light travel? a) in a curvy line. b) in a circle c) in a straight line

TCI Science Gr1: U2-L2

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