WorksheetsElectromagnetic Radiation
Total questions: 45
Worksheet time: 23mins
What kind of electromagnetic wave has the highest frequency?
¿Qué tipo de onda electromagnética tiene la frecuencia más alta?
Visible light.
X-rays.
Gamma rays.
Radio waves.
All electromagnetic waves have the same...
Todas las ondas electromagnéticas tienen el mismo ...
speed.
frequency.
energy.
wavelength.
Which statement is true about light?
¿Qué afirmación es verdadera sobre la luz?
Light demonstrates only particle-like properties.
Light demonstrates wavelike and particle-like characteristics.
Light is not like a wave or a particle.
Light demonstrates only wavelike properties.
What is visible light?
¿Qué es la luz visible?
A small section of the electromagnetic spectrum that our eyes can detect.
A broad section of the electromagnetic spectrum that our eyes can detect.
Electromagnetic waves that specifically travel at light speed, which we can see.
Electromagnetic waves whose amplitude is above a certain level and can be seen.
Which waves have the longest wavelength?
¿Qué ondas tienen la longitud de onda más larga?
Gamma rays.
Infrared waves.
Radio waves.
Visible light.
If we shine light on the surface of a metal, we can knock electrons out of the metal. This is called the photoelectric effect.
What does the photoelectric effect tell us about the nature of light?
Light travels at high speeds.
Light is made of particles.
Light acts like a wave.
Light is made of electrons.
Complete the sentence.
Light travels in __________ at a speed of __________.
Completa la oración. La luz viaja en __________ a una velocidad de __________.
all materials; 3.00 × 10^8 m/s
vacuum; 3.00 × 10^12 m/s
vacuum; 3.00 × 10^8 m/s
all materials; 3.00 × 10^12 m/s
X-rays have very short wavelengths.
Which statements about X-rays are correct?
Los rayos X tienen longitudes de onda muy cortas. ¿Qué afirmaciones sobre los rayos X son correctas?
They carry a lot of energy.
They carry little energy.
They have high frequency.
They have low frequency.
What is a photon?
¿Qué es un fotón?
A small particle with mass that makes up light.
A small particle of energy that makes up light.
The frequency of a wave that is light.
The amplitude of a wave that is light.
What process forms an image in a mirror?
¿Qué proceso forma una imagen en un espejo?
Refracting light.
Transmitting light.
Absorbing light.
Reflecting light.
Why does a leaf look green in the summer?
¿Por qué una hoja se ve verde en verano?
The leaf absorbs green light.
The leaf reflects green light and absorbs other colors of sunlight.
The leaf uses green light to make food in its cells.
The leaf produces green light in its cells.
What property do the colorless lenses of eyeglasses exhibit?
¿Qué propiedad exhiben las lentes incoloras de los anteojos?
Scattering.
Translucence.
Transparency.
Reflection.
How does light get through the lenses of eyeglasses and to the eyes?
¿Cómo pasa la luz a través del cristalino de los anteojos y llega a los ojos?
Absorption.
Reflection.
Luminosity.
Transmission.
How is a light wave likely to react when it hits a shiny, opaque object?
¿Cómo es probable que reaccione una onda de luz cuando golpea un objeto brillante y opaco?
The light wave will be reflected.
The light wave will be transmitted.
The light wave will be absorbed.
The light wave will scatter.
Joan performed a shadow puppet play for her younger brother by shining a flashlight on paper cutouts behind a curtain. What happens to the light from the flashlight?
The light is absorbed by the curtain.
The light is transmitted through the curtain.
The light is transpired through the curtain.
The light is diffused by the curtain.
Which property is not exhibited by opaque objects?
¿Qué propiedad no exhiben los objetos opacos?
Reflecting light waves.
Transmitting light waves.
Diffusing light waves.
Absorbing light waves.
When a light wave is absorbed by an object, what happens to the absorbed light energy?
Cuando un objeto absorbe una onda de luz, ¿qué sucede con la energía luminosa absorbida?
The absorbed energy transforms to compression waves.
The absorbed energy transforms to a different frequency.
The absorbed energy transforms to vibrational motion.
The absorbed energy transforms to color.
Blue light is shined on a green book.
What will happen to the light?
La luz azul se ilumina en un libro verde. ¿Qué pasará con la luz?
It will be transmitted through the book.
It will be partly reflected, and it will be partly transmitted through the book.
It will be mostly absorbed.
It will be partly reflected and partly absorbed.
What takes place as a light wave enters a denser medium?
¿Qué ocurre cuando una onda de luz entra en un medio más denso?
It is compressed.
It is absorbed.
It is reflected.
It is refracted.
Objects appear different in size and shape when placed in a container of water due to...
Los objetos parecen diferentes en tamaño y forma cuando se colocan en un recipiente con agua debido a ...
refraction of light waves.
interference of light waves.
polarization of light waves.
diffraction of light waves.
Which statement about refraction is true?
¿Qué afirmación sobre la refracción es verdadera?
The speed of light does not depend on what medium it is traveling through.
Refraction is due to changes in the wavelength of light waves.
Charges within a material can speed up light.
Light bends when it passes from one medium to another.
What occurs when light bends while passing from one medium to another?
¿Qué ocurre cuando la luz se dobla al pasar de un medio a otro?
Radiation.
Refraction.
Reflection.
Diffraction.
If a straight stick is partially submerged at an angle in water in a clear glass, how will the stick look from the side of the glass?
The stick will look straight.
The stick will look bent.
The stick will disappear.
Nothing will change about the look of the stick.
Which examples involve refraction?
¿Qué ejemplos involucran refracción?
Glass of water.
Mirrors.
Rainbows.
Lenses.
Which is an example of refraction?
¿Cuál es un ejemplo de refracción?
Light waves shift in direction as they pass from one material to another.
Light waves are absorbed as they hit an object.
Light waves pass through an object, and images are clearly visible on the other side.
Light waves pass through an object, but images are not clearly visible on the other side.
Study the image.
The image shows a light ray coming from the air and hitting a water medium.
What will happen to the light ray?
It will continue without changing direction.
It will bend closer to the normal line.
It will be absorbed by the new medium.
It will bend away from the normal line.
Study the image.
The image shows a ray of light entering medium 2 from medium 1.
Which statement is true based on this image?
Light travels faster in medium 2.
Light may travel at different speeds in the mediums or at the same speed. We need more information.
Light travels faster in medium 1.
Light travels at the same speed in both mediums.
Study the image.
The image shows a ray of light entering medium 2 from medium 1.
Which statement is true based on this image?
Both mediums have the same density.
Medium 1 and medium 2 may have different densities or the same density. We need more information.
Medium 1 is denser than medium 2.
Medium 2 is denser than medium 1.
Complete the sentence.
A light ray entering a new medium from air may bend. A __________ medium will bend the light more.
denser
less dense
more transparent
less transparent
How does the color of an object affect the amount of energy it receives from sunlight?
¿Cómo afecta el color de un objeto a la cantidad de energía que recibe de la luz solar?
Dark-colored objects reflect more light and become warmer than lighter objects.
Dark-colored objects absorb more light and become warmer than lighter objects.
Light-colored objects reflect more light and become warmer than darker objects.
Light-colored objects absorb more light and become warmer than darker objects.
Which of the following visible colors has the shortest wavelength?
¿Cuál de los siguientes colores visibles tiene la longitud de onda más corta?
Orange.
Red.
Violet.
Blue.
What determines the color we see from a light wave?
¿Qué determina el color que vemos en una onda de luz?
The normal.
Visible light.
The angle of the light wave.
The frequency of the light wave.
When do we perceive an object to be the color black?
¿Cuándo percibimos que un objeto es de color negro?
When the object scatters all color frequencies.
When the object absorbs all color frequencies.
When the object reflects all color frequencies.
When the object transmits all color frequencies.
When do we perceive an object to be the color white?
¿Cuándo percibimos que un objeto es de color blanco?
When the object absorbs all color frequencies.
When the object scatters all color frequencies.
When the object reflects all color frequencies.
When the object transmits all color frequencies.
What determines the brightness of a light wave?
¿Qué determina el brillo de una onda de luz?
The frequency of the light wave.
The speed of the light wave.
The color of the light wave.
The amplitude of the light wave.
Which color in the visible spectrum has the longest wavelength?
¿Qué color del espectro visible tiene la longitud de onda más larga?
Blue.
Orange.
Green.
Red.
Tanya is looking at two gas burners. The first burner has an orange-red flame. The second burner has a blue flame.
What can we say about these flames?
The blue flame is hotter.
The orange-red flame is hotter.
The flames have the same temperature because both burners burn gas.
The flames may have different temperatures or the same temperature. We need more information.
An electromagnetic wave consists of...
Una onda electromagnética consta de ...
vibrating electric and magnetic fields.
electric fields.
magnetic fields.
electrons.
Which is NOT a type of electromagnetic wave?
X-ray.
Radio wave.
Microwave.
Sound wave.
Electromagnetic waves are sometimes demonstrated by rippling waves in water. However, electromagnetic waves are different from water waves. Which is a characteristic that makes electromagnetic waves and water waves different?
All water waves have higher frequencies.
All electromagnetic waves can travel in a vacuum.
All electromagnetic waves are transverse waves.
All water waves have longer wavelengths.
A mechanical wave is different from an electromagnetic wave because it...
Una onda mecánica es diferente de una onda electromagnética porque ...
carries energy.
needs a medium to move through.
diffracts around corners.
interferes.
Which statement about waves is accurate?
¿Qué enunciado sobre las olas es exacto?
Traveling waves are measured in different ways.
Sound waves travel faster than light waves.
Light waves travel faster than sound waves.
Light waves and sound waves travel at the same speed.
Which statement about waves is accurate?
¿Qué enunciado sobre las olas es exacto?
All waves are compression waves.
All waves are transverse waves.
Light is a transverse wave, and sound is a longitudinal wave.
Light is a longitudinal wave, and sound is a transverse wave.
What type of waves do not require a medium for the wave to travel?
¿Qué tipo de olas no requieren un medio para que la ola viaje?
Light waves.
Seismic waves.
Ocean waves.
Sound waves.
A clock is in a transparent jar. All the air is pumped out from inside the jar. The alarm of the clock goes off.
What will be true about this situation?
The clock cannot be seen but can be heard.
The clock cannot be seen or heard.
The clock cannot be heard, but it can be seen.
The clock can both be seen and heard.
