Shadows
What do you need to make a shadow?
A light source an an opaque object.
Name something that makes its own light.
Sun, flashlight, candle, lamp, etc.
What part of your body receives light so you can see?
Your eyes.
What kind of material lets all light pass through?
Transparent.
What happens when you block light with your hand?
It creates a shadow behind your hand.
Can shadows appear when there is no light? Why or why not?
No, shadows need light; they form when something blocks light.
Is the Moon a light source? Why or why not?
Is a mirror a light source or something that reflects light?
It reflects light, so it is a light receiver.
Which one only lets some light through: glass or wax paper?
Wax paper - it's translucent!
What would make a darker shadow, a basketball or a piece of paper?
A basketball.
What happens to a shadow when the light moves closer to the object?
The shadow gets bigger.
What do we call things that give off light?
A light source.
Can a wall reflect light like a mirror can?
No, it absorbs light.
What kind of material blocks all the light?
Opaque.
Name a tool that helps people see in the dark.
A flashlight or headlamp.
Imagine a flashlight is shining from the right - where will the shadow be?
On the left side of the object.
Something that gives off light is called a light ______.
Source.
What happens when light hits a shiny object like a mirror or metal?
It bounces off the shiny surface, making a reflection.
Name one thing in our classroom that is transparent.
Window, water bottle, plastic pouch, etc.
If I shined a flashlight, would more light go through a window or wax paper?
A window.
Why do shadows outside change shape and size during the day?
Because the sun changes position in the sky during the day.
What makes something a light source?
Something that gives off its own light.
Can you see anything in a completely dark room? Why?
No, because there's no light to help your eyes see.
Why do we use curtains or blinds on windows? Think about how they block or change light.
To block or reduce light from entering the room.
What would you see if you went on the playground at night with a flashlight?
Swings, play structure, wall, etc.