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Electromagnetic Spectrum, Waves, Sound, & Technology/Properties
Presentation
•
Science
•
8th Grade
•
Practice Problem
•
Easy
+2
Standards-aligned
Sorys Cepeda-Carvalho
Used 6+ times
FREE Resource
9 Slides • 17 Questions
1
Today, you will be completing 4 pre-selected tasks!
Task 1
Task 5
Task 7
Task 11
2
I will know I have succeeded when I am able to successfully able to move through 4 of the tasks on the choice board
I will be able to review over the Unit 7 objectives and gain a deeper understanding of the concepts in PS6a,b,c,d abd PS7a,b as well as review over past standards.
Learning Target
SOL: PS.6b,c & PS.7a
3
4
Open Ended
What is the electromagnetic spectrum?
5
Labelling
Label parts of the wave by matching the following
trough
wavelength
crest
amplitude
6
Open Ended
How is wavelength determined?
7
Drag and Drop
Shortest Wavelength:
8
Open Ended
From their discovery in 1887 to today, electromagnetic waves have been widely used in various applications such as communication, navigation, remote sensing and medical imaging. State one fact for each type.
9
10
11
Categorize
Sort the words and images into the first two columns.
12
Drag and Drop
1:
3:
13
Match
Match the word and definition
height of the wave from its resting position
lowest point in a wave
distance between two identical points in adjacent waves
highest point in a wave
amplitude
trough
wavelength
crest
amplitude
trough
wavelength
crest
14
15
Reorder
Rank the images based on the speed of sound within them from fastest (1) to slowest (4), assuming constant temperature.
Steel
Wood (Oak)
Water
Air
16
Open Ended
In the previous question you ranked the images based on the speed of sound within them from fastest (1) to slowest (4), assuming constant temperature.
Explain your ranking.
17
Reorder
Rank the images based on the speed of sound from fastest (1) to slowest (4).
18
Drag and Drop
Intrument 1 Pitch
Instrument 2 Pitch
19
20
21
Multiple Select
Which statements are true?
infrared waves are visible to the human eye
a fire gives off both infrared waves and visible light
thermal energy is converted to radiant energy when infrared waves strike an object
22
Multiple Choice
Which part of the room is the coolest according to the thermal image?
the windows and their frames
the heaters under the windows
the walls around the windows
23
Multiple Choice
Using the same image, which part of the room
emits the highest-energy infrared waves?
the windows and their frames
the heaters under the windows
the walls around the windows
24
Energy transformation occurs frequently when electromagnetic waves are used in technologies. Burning a fire outside on a cold day is a technology used today to take advantage of electromagnetic waves. Answer question 4 about starting a fire outside.
25
Multiple Choice
What energy transformation occurs when a person starts a fire outside on a cold day?
chemical --> thermal --> radiant
light--> thermal--> nuclear
solar--> chemical--> thermal
chemical--> mechanical--> radiant
26
Categorize
sonar
vehicle parking sensors
x-ray machine
ultrasonagraphy
wave power generator
freezer
solar calculator
electric dril
doorbell
Wave-based technologies have many applications in life. Select all the technologies
that use waves to operate.
Today, you will be completing 4 pre-selected tasks!
Task 1
Task 5
Task 7
Task 11
Show answer
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