Light Vocabulary

Light Vocabulary

Assessment

Flashcard

Science

4th Grade

Hard

Created by

Kimberly Wilson

FREE Resource

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17 questions

Show all answers

1.

FLASHCARD QUESTION

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 QUESTION

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 QUESTION

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 QUESTION

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 QUESTION

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 QUESTION

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 QUESTION

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.

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