
Crest
What is an object called that allows some light to pass through?
Translucent
What happens when a light wave hits a dark colored object?
The light gets absorbed
What color on the visible spectrum has the most energy?
Violet
If a dog weighs two pounds and is 30 inches tall, what type of data is this?
Quantitative
What is the name for the bottom of a wave?
Trough
What type of object is a car window?
Transparent
What happens when a light ray hits a mirror?
It bounces back
When all of the colors from the visible spectrum are mixed, it creates ___________ light.
White light.
The class was separated into groups based on their eye color. What type of data would this be?
Qualitative
What is the distance from peak to peak, or trough to trough called?
Wavelength
What type of object does not let light pass through?
Opaque
When you put a fork in a glass of water, why does it look distorted and disconnected?
The light refracts or bends
What colors make up the visible spectrum?
Red, orange, yellow, green, blue, violet. (ROYGBV)
Johnny is doing an experiment to measure plant growth based on the amount of sunlight it receives. He puts one plant in direct sun outside, one in a closet, and one in his room. He waters each plant with 30mL of water each day and gives them the same amount of fertilizer. Johnny measures the plant growth every three days using a centimeter ruler. What is the independent variable?
The amount of light each plant gets.

Wavelength
Sunglasses are _____________.
Translucent
What happens when light strikes a metal object?
It reflects
What happens to white light when it goes through a prism?
It shows a rainbow which are all parts of the visible spectrum.
Sarah wants to see how far a car will go after changing the type of material it rolls over. She uses fleece, aluminum foil, and a piece of cotton ribbon. She keeps the height of the ramp, the car, and her amount of force to push the car the same. Sarah uses a meter stick to measure how far the car goes. What is the dependent variable?
How far the car travels
Light waves are also called __________.
Rays
Name one object that is transparent, one object that is translucent, and one object that is opaque.
Tree, wax paper, plastic bag, foggy window, glass, tissue paper, carpet, etc.
Name two items that will reflect light.
Mirror, water, metal spoon, metal pan, keys, jewelry
If a wave has wavelengths that are extremely close together, does it have more or less energy?
It has more energy.
Mitch decides he wants to see how many kernels are leftover after popping three different brands of popcorn. He put each bag in the microwave for 2 minutes and 30 seconds. After that, he counted the kernels and compared the totals. What is the independent variable in this experiment?
Popcorn brands