State the name of the cells at the back of the eye that receive light
Describe the role of the iris.
Define opaque.
What is the resolution of this thermometer?

Give the equation to calculate wave speed.
Explain why light waves can travel through a vacuum but sound waves cannot.
Name an object where specular reflection occurs.
Define specular reflection.
Which ray hits the surface of an object in a ray diagram?
How do we measure the angle of reflection?
When does specular reflection occur?
What is the light ray called that goes into a the surface?
What is the light ray called that travels from the surface away?
What is the normal?
What is the relationship between the angle of incidence and theangle of reflection?
How do we measure the angle of incidence?
How do we measure the angle of reflection?
When does specular reflection occur?
What is the light ray called that goes into a the surface?
What is the light ray called that travels from the surface away?
What is the normal?
What is the relationship between the angle of incidence and theangle of reflection?
How do we measure the angle of incidence?
How do we measure the angle of reflection?
Complete this diagram
What do the letters a-f represent

Complete the data for the table a-g and writ a conclusion for this experiment
Add the incident and reflection rays
Suggest what the student may have done during the investigation to cause each angle of reflection to have a range of values.
How many mistakes can you spot
