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WorksheetsLight Energy Lesson
Total questions: 25
Worksheet time: 25mins
The energy which must present to make our eyes able to see the objects around us,is ..............energy.
sound
electric
light
magnetic
Fishing cat can see at night, as follows…………….
light falls on the eyes, then reflected to the objects.
light falls on the objects, then reflected into the eyes.
sound falls on the eyes, then reflected to the objects.
sound falls on the objects, then reflected into the eyes.
Both light energy and sound energy,…………….
can be seen.
cannot be seen
the light energy can be seen, while sound energy cannot be seen.
the sound energy can be seen, while light energy cannot be seen.
Light is the only form of energy that is needed to see the surroundings.
True
False
The glow sticks produce light for a short amount of time. The light from the glow stick is a conversion from what to what?
thermal to light
gravitational to potential
radiant to electrical
chemical to light
What happens if ….?
light doesn't bounce off an object into our eyes.
we cannot see this object.
we can see this object.
The function of tapetum lucidum, looks like the function of
night vision goggles
white paper.
black paper
radio.
Light energy that can be collected with solar panels and converted into electricity is evidence that
Light is traveling in a straight line
Light is a mixture of different colors
A wave is a state of mater
Light transfers energy
A laser used by scientist is an example of
Light energy
Medical Projects
Solar panels converting
Colors separating with a prism
Light rays are ________ lines that light travels in
Straight
Wavy
Horizontal
Vertical
Light is a wave vibrating ________ and ________ energy is
Energy and Magnetic
Solar and Magnetic
Electric and Magnetic
Heat and Magnetic
A mixture of all the colors of the light spectrum is
White light from the snow
White light from the sun
Light from a light bulb
Light from a power device
A photon is emitted from the sun is the ________ order the path of a photon from the sun to the usable electricity.
First
Second
Third
Fourth
You are looking at a yellow banana. Which of the following statements is true?
You see yellow because yellow light is absorbed by the banana
You see yellow because yellow light is refracted by the banana
You see yellow because all of the other colors are reflected by the banana
You see yellow because yellow light is reflected by the banana
Kim will do an experiment to collect information about light reflecting. Which equipment should she use for his experiment?
a flashlight and a lens
a flashlight and a mirror
a laser beam and a prism
a prism and a curved piece of glass
What is the bending of light as it travels from one transparent material to another?
Reflection
Refraction
Converge
Diverge
When light rays bounce back it's called?
Reflection
Refraction
Converge
Diverge
What is a transparent object that bends and separates white light into the colors of the rainbow?
Spectrum
Refraction
Reflection
Prism
What kind of material doesn't let light to pass through?
transparent
translucent
opaque
reflection
What kind of materials allow light to pass through?
transparent
translucent
opaque
reflection
What is the primary source of light energy on Earth?
The Moon
The Sun
Electric Bulbs
Fire
Which of the following phenomena explains why a pencil looks bent when placed in a glass of water?
Reflection
Refraction
Diffraction
Absorption
What is the term for materials that allow some light to pass through but not all, making objects appear blurry?
Transparent
Translucent
Opaque
Reflective
Which color of light has the highest energy?
Red
Green
Blue
Violet
In a solar panel, light energy is converted into what type of energy?
Thermal Energy
Chemical Energy
Electrical Energy
Mechanical Energy
