Light 1
Materials that allow all light to pass through
What are transparent materials?
What is an example of refraction?
Answers may vary.
What makes a pencil look broken when it is placed in a cup of water?
Refraction
Name 3 examples of natural light sources.
Answers will vary.
Fill in the blanks: Natural light comes from ________, and artificial light is _______ ____ _________.
nature, made by humans.
Light strikes some object and bounces back in a different direction
What is reflection?
Air, glass, and water are examples of ______________ objects.
What is transparent?
Light is energy that ____ ____ ____.
we can see.
What type of path does light travel?
straight
Name 3 sources of artificial light.
Answers will vary.
What are the colours of the rainbow in order?
Red, Orange, Yellow, Green, Blue, Indigo, Violet
Light waves slow down and change direction (appearing bent) when passing from one transparent material to another.
What is refraction?
True or false: The sun is an artificial source of light.
False.
The 2 types of light sources are __________ and ______________.
natural, artificial.
Which of these body parts are translucent?
Eyeball, Fingers, Nose
Fingers.
Materials that don't allow any light to pass through. Light is either reflected or absorbed.
What is opaque?
What can a prism do using the property of refraction?
Make a rainbow.
What is a reflection?
When light bounces.
Some light passes through by either scattering or being absorbed by the object.
What is translucent?
Which of these objects is the most reflective?
Wooden Plank, Mirror, Aluminum Foil
Mirror
Do light colours and smooth objects reflect or absorb light?
Reflect
Which colour is the first colour in a rainbow?
red
True or False: We can see objects from both direct sources of light and indirect sources of light.
True.
Light does not pass through or reflect from a material.
What is absorption?
How can we see the moon at night?
Sunlight reflects off the moon and towards earth.