Vocabulary
What do we call the energy that travels in waves and can be seen by the human eye?
What is visible light?
What happens to light when it hits a mirror?
What is it reflects?
This part of the eye focuses light onto the retina.
What is the lens?
What is one way scientists use models to study light?
What is to explain how light travels?
Why do sunglasses help protect your eyes?
What is they block harmful light (UV)?
This is the term for the bending of light as it passes from one material to another.
What is refraction?
Why does a pencil look bent in a glass of water?
What is refraction?
Where in the eye do light-sensitive cells detect light?
What is the retina?
This tool helps demonstrate how light behaves when it passes through lenses.
What is a ray diagram or simulation?
Why is skin cancer more common in areas with high UV light and light skin populations?
What is less melanin = more UV damage?
This is the bouncing of light off a surface.
What is reflection?
What does it mean when an object is opaque?
What is no light passes through?
What do we call the nerve that sends signals from the eye to the brain?
What is the optic nerve?
What does a simulation allow you to do in a scientific investigation?
What is test ideas in a virtual model?
Why is light important for seeing objects?
What is it reflects off objects into our eyes?
What is the word for materials that let light pass through them completely?
What is transparent?
This process causes shadows to form.
What is light being blocked?
Why do we see things as a certain color?
What is the color of light they reflect?
In the Amplify simulation, how does light behave in materials with different densities?
What is it refracts differently?
Why do we use sunscreen?
What is to block or absorb UV rays?
The part of the eye that controls how much light enters.
What is the pupil (or iris)?
The three main things that can happen when light hits an object.
What are reflection, absorption, transmission?
This model helps us understand how light enables vision.
What is the ray diagram or light model?
True or False: All models perfectly match the real world.
What is False?
How does the ozone layer help protect life on Earth?
What is it absorbs UV radiation?