Light Sources
Name 4 natural sources of light
The Sun, Northern lights, lightning, volcanoes, fire, fireflies, (some stars)
Which direction does light travel?
In a STRAIGHT line
A straw looks bent in water, is that reflection or refraction?
Refraction
How many colors are usually named in a rainbow?
seven
What are the 3 states of matter?
Solid, liquid, gas
Name 6 artificial sources of light
(different answers)
If Amy has a flashlight and 3 cards with small holes, how can she test the direction of light?
By putting all the cards in a straight line.
True or false.
We can use a mirror and a flashlight to refract the light.
False!
Mirror and flashlight can reflect the light.
Name the rainbow colors in order.
Red, orange, yellow, green, blue, indigo, violet.
Whats the largest animal on the earth?
The Blue Whale
The Moon looks bright at night.
Is the Moon actually a light source?
No.
The Moon does not produce its own light; it reflects light from the Sun.
What is a sundial used for?
To tell the time in ancient days
What is the difference between reflection and refraction?
Reflection happens when light hits a surface and it bounces back.
Refraction happens when light travels from one material to another, and it changes direction of the object.
What happens if we shine light into a white prism?
White light is separated, breaks into its different colors.
How many bones are in the human body?
206
Explain what is a light source.
Anything that produces/ Gives off its own light.
How can William tell time using the sundial?
He must look at the shadow cast by pole (gnomon)
True or false:
The material of an object matters to refract the light? Like, plastic, metal, wood
False.
It doesn’t matter.
Explain how rainbows are formed
Sunlight is refracted and spread into different colors inside water droplets.
I can be solid, liquid or gas. You use me every day. what am I?
Water
A mirror looks bright when a flashlight shines on it.
Why is a mirror NOT a light source.
The mirror REFLECTS, not produces its own light
Why do we wear sunglasses during the day?
To protect our eyes from the bright rays of the sun
What happens when an object is placed standing up in water. Does it bend?
It doesn’t bend, but it looks bigger.
Other than in the sky after the rain, name 3 other ways we can see the rainbow?
Waterfalls, sprinkler, using a prism...
I have feathers and wings but I cannot fly, but I can swim.
What am I ?
A Penguin