All About Light
When can you see an object? Choose all correct answers.
a) when it is dark
b) when an object gives off light
c) when light shines on the object
a) when an object gives off light
b) when light shines on an object
Which cup would allow the most light to pass through?
a) a coffee mug
b) a red and black Boonton water bottle
c) a water glass
c) a water glass
What happens to light when it hits a smooth, shiny piece of foil?
a) It will be taken in.
b) It will pass through.
c) It will be reflected
c) it will be reflected
Which objects give off their own light?
a) the sun
b) glow sticks
c) fires
a) sun
b) glow sticks
c) fires
Think about a window. How much light passes through the object?
a) no light passes through
b) some light passes through
c) all light passes through
c) all light passes through
What happens when light hits a cardboard box?
a) Light is taken in
b) Light reflects
c) Light passes through
a) Light is taken in
How could you test if an object gives off its own light?
a) Put it under a lamp.
b) Try to see it in the dark.
c) Shine a flashlight on it.
b) try to see it in the dark
What causes a shadow?
a) an object blocks light
b) a dark spot behind an object blocks light
c) light shines on an object
a) an object blocks light
What happens if light hits a smooth body of water?
a) Light is taken in.
b) Light reflects.
c) Light passes through.
b) Light reflects.
You can see only a few objects in a room. Why?
a) There are many lamps in the room.
b) There are no lamps in a room.
c) There is one lamp in the room.
c) there is one lamp in the room
What causes rainbows in the sky?
a) leprechauns
b) raindrops that bend sunlight
c) the clouds in the sky
b) raindrops that bend sunlight
Jacob builds a tool that uses light to communicate. How does Jacob know if the tool works?
a) Jacob can send a message and find out if someone understands it.
b) Jacob can observe if light comes out of the tool.
c) Jacob can plan a message to send using his tool.
a) Jacob can send a message and find out if someone understands it.
Campers can see a fire at night. Why can they see it?
a) a light shines on the fire
b) the space around the fire is dark
c) the fire gives off light
a) the fire gives off light
How will a book's shadow change if light moves closer to the book?
a) it will get smaller
b) it will get bigger
c) it will stay the same size
b) it will get bigger
Which shows ways to communicate with light over distances? Choose all the correct answers.
a) Lamp in a bedroom
b) Traffic Stoplight
c) Ambulance siren lights
b) Traffic Stoplight
c) Ambulance siren lights