# data[].attributes.body
How does ultraviolet light purify water?

# data[].attributes.body
Can light travel farther in space than on Earth? Why?

# data[].attributes.body
Explain and draw at least one diagram that helps you understand the concept!

# data[].attributes.body
How can astrophysicists tell whether a star is receding or approaching Earth?

# data[].attributes.body
Scientists have created a radar that can detect a bird 100 km away. But in water, no radar can detect a 10,000 ton submarine only 1 km away. WHY?

# data[].attributes.body
How does a projector display images?

# data[].attributes.body
what happens to your eyes when you look directly at the sun? Are the affects temporary or permanent?

# data[].attributes.body
How do microwave ovens prevent light waves from leaking into your house?

# data[].attributes.body
how does an X-ray work?

# data[].attributes.body
What will take longer for an echo to return ,Shallow water or deep? Why?

# data[].attributes.headline
Why does sound travel at different speeds in different media?

# data[].attributes.subject
Why does sound travel at different speeds in different media?

# data[].attributes.body
How does RADAR work? Is it like SONAR.

# data[].attributes.body
How does SONAR work?

# data[].attributes.headline
How are different wavelengths of light used in photosynthesis?

# data[].attributes.subject
How are different wavelengths of light used in photosynthesis?

# data[].attributes.body
What kind of waves are transmitted from Wifi? How do they work?

# data[].attributes.headline
How do solar panels absorb and convert sunlight into energy?

# data[].attributes.subject
How do solar panels absorb and convert sunlight into energy?

# data[].attributes.body
Steven Shine

# data[].attributes.body
Use a diagram to support your answer

# data[].attributes.headline
How do refracting and reflecting telescopes work

# data[].attributes.subject
How do refracting and reflecting telescopes work

# data[].attributes.body
Use a diagram (with labels) to support your answer!

# data[].attributes.headline
Why can radio waves pass through walls but visible light cannot?

# data[].attributes.subject
Why can radio waves pass through walls but visible light cannot?

# data[].attributes.body
Steve Gonzalez-Gordillo

# data[].attributes.body
How do dyes and pigments affect the colors of light we see?

# data[].attributes.body
What is the function of cartenoids in living organisms? (connect to waves!)

# data[].attributes.body
Is light made of particles or waves? How do we know?

# data[].attributes.body
What is the longest/shortest possible wavelength of light?

# data[].attributes.headline
What is echolocation and what can it be used for?

# data[].attributes.subject
What is echolocation and what can it be used for?

# data[].attributes.body
Kendyl Lowery

# data[].attributes.headline
Why can some sounds travel longer distances than other sounds?

# data[].attributes.subject
Why can some sounds travel longer distances than other sounds?

# data[].attributes.body
How do satellites transmit signals to our TVs?

# data[].attributes.headline
What causes transparent media to refract light waves as shown in the picture?

# data[].attributes.subject
What causes transparent media to refract light waves as shown in the picture?

# data[].attributes.body
Does color exist in pure darkness? Why or why not?

# data[].attributes.body
How do we know the size/age of the observable Universe?

# data[].attributes.body
Is it possible to stop the motion of light in a vacuum? Why or why not?

# data[].attributes.body
There's a cool (and short) Podcast

# data[].attributes.headline
Why do some objects appear shiny and others dull?

# data[].attributes.subject
Why do some objects appear shiny and others dull?

# data[].attributes.body
Include a diagram of light reflecting off of a shiny and a dull surface.

# data[].attributes.headline
What is the speed of sound?  What would it sound like to go faster than the speed of sound?

# data[].attributes.subject
What is the speed of sound?  What would it sound like to go faster than the speed of sound?

# data[].attributes.headline
What is infrasound and what effect can it have on people and animals?

# data[].attributes.subject
What is infrasound and what effect can it have on people and animals?

# data[].attributes.headline
How does ultrasound work and what is it used for?

# data[].attributes.subject
How does ultrasound work and what is it used for?

# data[].attributes.body
How can radio waves be used to treat cancer?

# data[].attributes.body
How do the different types of contact lenses or glasses lenses treat different eye problems?

# data[].attributes.headline
How do contact lenses or glasses work to correct vision?

# data[].attributes.subject
How do contact lenses or glasses work to correct vision?

# data[].attributes.body
Use a diagram to support your answer.

# data[].attributes.body
Be sure to include the terms wavelength and/or frequency in your answer!

# data[].attributes.headline
What is "Cosmic Background Radiation" and what does it tell us about the Universe

# data[].attributes.subject
What is "Cosmic Background Radiation" and what does it tell us about the Universe

# data[].attributes.headline
How do cells in your eyes cause your brain to percieve color?

# data[].attributes.subject
How do cells in your eyes cause your brain to percieve color?

# data[].attributes.body
What are gamma rays made out of and where do they come from?

# data[].attributes.headline
How is color produced in a plasma TV panel?

# data[].attributes.subject
How is color produced in a plasma TV panel?

# data[].attributes.headline
If you shine a rainbow of light into a prism what color(s) of light will come out of the other side?  WHY?

# data[].attributes.subject
If you shine a rainbow of light into a prism what color(s) of light will come out of the other side?  WHY?

# data[].attributes.headline
What can we conclude about light from the results of Thomas Young's double slit experiment?  What evidence supports this conclusion?

# data[].attributes.subject
What can we conclude about light from the results of Thomas Young's double slit experiment?  What evidence supports this conclusion?

# data[].attributes.body
Use a diagram or two to support your answer!

# data[].attributes.headline
How does a prism separate white light into the colors of the rainbow?

# data[].attributes.subject
How does a prism separate white light into the colors of the rainbow?

# data[].attributes.headline
How do noise-cancelling headphones cancel out noise?

# data[].attributes.subject
How do noise-cancelling headphones cancel out noise?

# data[].attributes.body
Use a diagram or two to support your answer!

# data[].attributes.headline
As we look out into space, what wavelengths of light can we observe from the surface of the Earth?  What happens to all the other wavelengths? 

# data[].attributes.subject
As we look out into space, what wavelengths of light can we observe from the surface of the Earth?  What happens to all the other wavelengths? 

# data[].attributes.headline
How does high-energy radiation affect DNA?

# data[].attributes.subject
How does high-energy radiation affect DNA?

# data[].attributes.headline
What can we learn about the Universe by observing it using radio wave, microwaves, infrared, UV, X-rays, and/or gamma rays?

# data[].attributes.subject
What can we learn about the Universe by observing it using radio wave, microwaves, infrared, UV, X-rays, and/or gamma rays?

# data[].attributes.headline
How does a telescope use mirrors and lenses to allow us to see distant objects?

# data[].attributes.subject
How does a telescope use mirrors and lenses to allow us to see distant objects?

# data[].attributes.body
Use a diagram or two to support your answer!

# data[].attributes.headline
Why does a sound coming toward you increase in pitch and a sound moving away from you decrease in pitch?

# data[].attributes.subject
Why does a sound coming toward you increase in pitch and a sound moving away from you decrease in pitch?

# data[].attributes.headline
How does the ear hear different frequencies of sound?

# data[].attributes.subject
How does the ear hear different frequencies of sound?

# data[].attributes.headline
What is going on with the straws in this picture?

# data[].attributes.subject
What is going on with the straws in this picture?

# data[].attributes.headline
Why do images look upside down or magnified when viewed though a convex lens?

# data[].attributes.subject
Why do images look upside down or magnified when viewed though a convex lens?

# data[].attributes.body
Use a diagram or two to support your answer!

# data[].attributes.headline
What are the causes and treatments of a condition known as myopia? 

# data[].attributes.subject
What are the causes and treatments of a condition known as myopia? 

# data[].attributes.body
Use a diagram or two to support your answer!

# data[].attributes.headline
How do we know the temperature of distant stars?

# data[].attributes.subject
How do we know the temperature of distant stars?

# data[].attributes.headline
Why does a red object look black when illuminated by blue light?

# data[].attributes.subject
Why does a red object look black when illuminated by blue light?