Light Vocabulary

Flashcard
•
Kimberly Wilson
•
Science
•
4th Grade
•
Hard
Student preview

17 questions
Show all answers
1.
FLASHCARD
Front
What is a form of energy you can see?
Back
Light Energy
Answer explanation
Light energy is the only form of energy that is visible to the human eye, allowing us to see colors and objects. In contrast, electrical, sound, and mechanical energy cannot be seen directly.
2.
FLASHCARD
Front
____________ is an energy transfer that happens by vibrations between electric fields and magnetic fields.
Back
Electromagnetic Waves
Answer explanation
Electromagnetic Waves are energy transfers that occur through the vibrations of electric and magnetic fields. This distinguishes them from other options like circuits, reflection, and refraction, which do not involve this specific energy transfer.
3.
FLASHCARD
Front
Radiation is
Back
the transfer of thermal energy through electromagnetic waves.
Answer explanation
Radiation is defined as the transfer of thermal energy through electromagnetic waves, making the first choice correct. The other options incorrectly describe different phenomena.
4.
FLASHCARD
Front
____________ happens when light energy bounces off the surface of something.
Back
Reflection
Answer explanation
Reflection occurs when light energy bounces off a surface, allowing us to see objects. This is different from refraction, which involves bending light, and radiation, which refers to energy emission.
5.
FLASHCARD
Front
The bending or redirection of light energy as it passes between different substances or types of matter is called ______________.
Back
refraction.
Answer explanation
The bending of light as it passes from one medium to another is known as refraction. This phenomenon occurs due to changes in light speed in different substances, unlike reflection, radiation, or absorption.
6.
FLASHCARD
Front
_____________ is when something is soaked up into another thing or becomes a part of something else.
Back
Absorbtion
Answer explanation
Absorption is the process where something is soaked up into another substance or becomes part of it. This definition aligns perfectly with the term 'absorption', making it the correct choice over the other options.
7.
FLASHCARD
Front
A prism is something that
Back
is triangular and transparent making it capable of bending light at an angle to separate white light into its colors.
Answer explanation
The correct choice describes a prism accurately as a triangular and transparent object that bends light, allowing it to separate white light into its constituent colors, which is a fundamental property of prisms.
8.
FLASHCARD
Front
Which of the following is a type of electromagnetic wave that is visible to the human eye?
- Ultraviolet Light
- Infrared Light
- Visible Light
- Microwaves
Back
Visible Light
Answer explanation
Visible Light is the only type of electromagnetic wave among the options that can be seen by the human eye. Ultraviolet Light, Infrared Light, and Microwaves are not visible to us.
9.
FLASHCARD
Front
What is the term for the phenomenon where light changes direction as it passes through a medium with a different density?
Back
Refraction
Answer explanation
The term for the phenomenon where light changes direction as it passes through a medium with a different density is refraction. This occurs due to the change in speed of light in different materials.
10.
FLASHCARD
Front
This image shows light being
Back
refracted.
Answer explanation
The image shows light being refracted, which occurs when light passes through different mediums and bends. This is distinct from reflection, absorption, or traveling in a straight line.
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