Imagine putting a pencil into a glass of water. Why might the pencil look like it bends?
As light passes from air to water, it bends. The pencil will look bent at the place where it passes from air to water.
100
What happens to light when it hits a smooth, shiny surface?
It bounces, or reflects, off the shiny surface
100
Would a dark blue or a light blue object absorb more light?
Dark blue
100
Light is a kind of... reflection, energy, color, or heat?
Energy
100
What three things do you need to make a shadow?
A light source, an object, and an area where the light cannot reach.
200
Define refraction
The bending of light when it moves through one kind of matter to another
200
Define reflection.
Light bouncing off a surface
200
Define absorption.
The taking in of light by a material
200
How does light travel through empty space? Straight but may change direction to avoid objects, straight line without stopping, changes direction often, or it comes to a stop after it travels a certain distance?
Straight line without stopping
200
When is the best time to create a shadow?
In the morning or early evening
300
What happens to light as it passes through a prism?
It bends (refracted)
300
What kind of line does light travel in- curved, diagonal, or straight?
Straight
300
You are outside in the sun in white clothes. You feel comfortable. Your friend is wearing black. He is complaining about being hot. What is happening?
Your friend's clothes are absorbing more light than your white clothes. As a result, his clothes are heating up faster, and he feels hot.
300
What is one reason our school may be cool in one place, but hot in another?
Some areas may be shaded
300
Why doesn't light travel through your hand when you make a shadow?
Light only travels in a straight line.
400
Does light refract when it hits a curved object?
No. Light regracts when it passes from air to water.
400
What happens to light after it hits a mirror?
It bounces off the mirror
400
Color is one factor that affects the absorption of light of an object. True or false?
True
400
Eric has a lizard in a tank with a light to keep it warm. How can Eric use observation to tell if the lizard likes the light or not.
Eric can check in on the lizard at different times of the day and notice the lizard's position to the light.