Electromagnetic waves are made by ________.

Electromagnetic waves are at ________ angle to each other.

Electromagnetic waves are what type of waves?

In which of these substances does light move slowest?

The energy carried by an electromagnetic wave is called ________ energy.

In which of the following materials will light travel the fastest?

As the frequency of an electromagnetic wave increases, the wavelength ________.

As the frequency of an electromagnetic wave decreases, the wavelength _______.

If an object is emitting electromagnetic waves and it gets hotter, what can be said about the wavelength of the electromagnetic waves emitted?

To determine the energy of an electromagnetic wave we need to look at _______.

Electromagnetic waves are made up of ________.

Electromagnetic waves exhibit properties of waves and particles.

In the double slit experiment when we observed the photons, the photons behaved as?

In the double slit experiment when we didn't observe the photons, the photons behaved as?

The entire range of the electromagnetic wave frequencies is known as ________.

Electromagnetic waves with wavelengths between about 1 cm and 20 cm are called _______.

Which of the following devices uses infrared waves?

Which of the following electromagnetic waves enables your body to make vitamin D?

Which of the following electromagnetic waves can destroy cancer cells?

Electromagnetic waves with wavelengths shorter than 100 trillionths of a meter are

Electromagnetic waves with wavelengths longer than 10 cm are

Electromagnetic waves with wavelengths from 400 billionths to 10 billionths of a meter are known as:

Electromagnetic waves with wavelengths from 10 billionths to 10 trillionths of a meter are known as:

Electromagnetic waves with wavelengths from 1 thousandth to 700 billionth of a meter are known as:

The range of electromagnetic waves that you detect with your eyes, which have a wavelength of 700 billionths to 400 billionths of a meter, is called:

This technique involves the emitting of Electromagnetic waves and detecting the waves that bounce off the object(s) to measure the distance, speed, and size of an object. It is known as:

When a police officer checks your speed he is using which technique?

Which will take the longest for a microwave to heat up due to the substance's inability for atoms to rotate freely in the presence of an electromagnetic wave?

What helps protect us from the sun's harmful UV rays?

The specific frequency of the electromagnetic wave that a radio station is assigned is called the ______.

________ are small, portable radio receivers used by restaurants to alert customers that their tables are ready.

A(n) ________ transmits a radio signal at one frequency and receives radio signals at a different frequency.

The Global Positioning System is a system of satellites, ground monitoring stations and receivers that ________.

The bottom waves show ____________.

________ is an electrical signal where there are only 2 possible values. On or Off.

The process of adding the signal wave to the carrier wave is called _______.

_______ is a system of satellites, ground monitoring stations, and receivers that determine your exact location at or above earth's surface.

Electronic signals whose values change smoothly over time are called _______.

Type of radio signal where the amplitude is modulated

Type of radio signal where the frequency is modulated

____ are the type of electromagnetic waves that are used in radar and MRI

If you stay outdoors too long, your skin might be burned by exposure to ______ from the Sun.

Transverse waves that are produced by vibrating electric charges and consist of vibrating electric and magnetic fields are ______.

Which of the following produces electromagnetic waves?

The frequency of an electromagnetic wave has which unit?

Which explains how interference is avoided between the signals that cordless phones receive and the signals that they broadcast?

Which person explained how light can behave as a particle, called a photon, whose energy depends on the frequency of light?

Which of the following has the shortest wavelength?

The warmth that you feel from a fire is thermal energy transmitted to you by which type of electromagnetic waves?

______ materials only absorb and reflect light.

Which of these types of material transmits light without scattering it?

Which of these types of material transmits light but also scatters it?

The angle which light strikes a surface is ______ the angle at which it is reflected.

Why can't you see your reflection in a brick wall?

Reflection of light waves from a smooth, mirror-like surface is called ________.

What property of a material indicates how much light slows down when traveling through it?

If the handle of your aquarium net appears to be bent more when it is placed into a glass aquarium full of water than it does when the tank is empty, which of the following statements is true?

A glass prism ______ light, producing the individual colors of visible light.

When visible light passes through a prism, why does red light bend the least?

an image of a distant object produced by the refraction of light through air layers of different densities

Why is it that smooth pot does not show a reflection?

What refracts light to create rainbows?

A ray of light hits a mirror at 27 degrees from the normal. What is the angle between the reflected ray and the normal?

A ray of light strikes mirror at an able of 42 dress from the surface of the mirror. What angle does the reflected ray make with the normal?

Which of the following colors of visible light has the longest wavelength?

Which of the following colors of visible light has the shortest wavelength?

What determines the color of an object?

A green leaf absorbs all colored light but what?

If a transparent blue filter is placed over a camera lens, what happens to visible light entering it?

The part of the eye that focuses the light is called the __________.

The part of the eye that contains rods and cones __________.

Which of the following types of cells is located in the retina?

Which of the following cells is most useful at night?

A ________ is a colored material that absorbs some colors and reflects others.

Which cone cells absorb yellow light?

The three primary colors of pigment appear ______ when they are mixed.

What are the primary colors of light (check all that apply)?

What are the primary colors of pigment?

If light reflected from an object passes through a green filter, then a red filter, and finally a blue filter, what color will the object appear to be?

Which of the following best describes an incandescent light?

What makes a neon light glow?

____ light is light of only one wavelength that travels in one direction with a constant distance between corresponding crests.

____ light is light that can have more than one wavelength, can travel in more than one direction, and does not travel with a constant distance between the corresponding crests of the waves.

What type of light bulb uses phosphors to convert ultraviolet radiation into visible light?

_____ is a tube that contains a mixture of neon gas, a small amount of argon gas, and a small amount of sodium metal.

_____ is a light that has a tungsten filament inside a quartz bulb or tube. The tube is filled with a gas that contains one of the halogen elements.

About 90% of the energy is given off as thermal energy by which type of light bulb?

These lights are glass tubes filled with gas often neon. When there is an electric current through the tube, electrons collide with the gas molecules and emit visible light. What are these lights called?

Which of the following produces a narrow, intense beam of coherent light?

Which of the following does not use lasers?

Which consume 1/5 the energy of the other and is thus more energy efficient?

Is this an example of coherent light or incoherent light? A flashlight

Is this an example of coherent light or incoherent light? A laser

Is this an example of coherent light or incoherent light? Light coming in through polarized sunglasses

Light waves whose magnetic fields vibrate in only one direction is called ______ light.

A(n) ________ is an image of a three-dimensional object produced without using a lens.

________ is the complete reflection of light at the boundary between two surfaces.

Highspeed internet is available because the lines that transmit the information take advantage of?

Supermarket cashiers use ______ to read bar codes.

Two polarizing filters at right angles will transmit ______ that strikes them.

Light waves in which the magnetic field vibrate in any direction are called ______.

To have total internal reflection we need ______.

If you were wearing sunglasses could you tell if the light coming off a lake was polarized by tilting your head sideways; rotate the lenses by 90 degrees. If the lake appeared noticeably darker or brighter, then you could say the light is polarized.

Which type of cells in your eyes allows you to see the color violet?

What do you see when you note the color of an object?

Which term best describes the light from a laser?

Which property of material indicates how much light slows down when traveling in material?

Which event explains why a prism separates white light into the colors of the rainbow?

In which situation is light refracted?