
Unit 4 Test
Flashcard
•
Science
•
4th Grade
•
Practice Problem
•
Hard
+4
Standards-aligned
Wayground Content
FREE Resource
Student preview

15 questions
Show all answers
1.
FLASHCARD QUESTION
Front
What is the electromagnetic spectrum?
Back
The electromagnetic spectrum is a range of light waves arranged by wavelengths and frequency, including radio waves, visible light, and gamma rays.
Tags
NGSS.HS-PS4-3
NGSS.HS-PS4-4
2.
FLASHCARD QUESTION
Front
What is a laser beam?
Back
A laser beam is a type of light that contains a single wavelength and is focused in one direction, making it different from light from a bulb.
3.
FLASHCARD QUESTION
Front
What happens to light when it is refracted?
Back
When light is refracted, it bends as it passes through different mediums, which can make objects appear broken or distorted.
Tags
NGSS.MS-PS4-2
4.
FLASHCARD QUESTION
Front
What is energy?
Back
Energy is the ability to make something move, happen, or change.
Tags
NGSS.MS-PS3-4
NGSS.MS-PS3-5
5.
FLASHCARD QUESTION
Front
What is frequency in terms of waves?
Back
Frequency is the number of vibrations or cycles that occur during a unit of time, usually measured in Hertz (Hz).
Tags
NGSS.HS-PS4-1
6.
FLASHCARD QUESTION
Front
What is the difference between reflection and refraction?
Back
Reflection is when light bounces off a surface, while refraction is when light bends as it passes through a different medium.
Tags
NGSS.MS-PS4-2
7.
FLASHCARD QUESTION
Front
What are radio waves?
Back
Radio waves are a type of electromagnetic wave used for communication, such as in radios and televisions.
Access all questions and much more by creating a free account
Create resources
Host any resource
Get auto-graded reports

Continue with Google

Continue with Email

Continue with Classlink

Continue with Clever
or continue with

Microsoft
%20(1).png)
Apple
Others
Already have an account?