1. What is the line in the picture below? (Reflection, Refraction, Diffraction, Absorption) Explain your answer.

Question

Type Answer HERE:This line is a reflection line because it reflects off the surface of the water.
2. How does the phenomenon of refraction differ from that of reflection, and what are the key factors that influence the behavior of light in each process?
Type Answer HERE:
3. What happens to the Angle of Refraction as the medium becomes denser?
Type Answer HERE:

Sound Waves Lab
Instructions: Carefully read the directions to complete the virtual tasks in order. Then answer each of the questions given.

IV. Sound Waves: Pitch & Loudness Videos:
Watch the following Videos, Read the given information on wavelength, frequency, and amplitude, & then answer the questions following it. If you would like to try some of the labs given in the video, go for it.
Click Here for Video on Low & High Pitch
Click Here for Video on Loudness of Sound

→ Wavelength, Frequency, & Amplitude
In the realm of waves, such as light or sound, the relationship between wavelength, frequency, and amplitude plays a crucial role in understanding their characteristics. Wavelength refers to the distance between two consecutive points in a wave that are in phase, meaning they have the same position in their respective cycles. Frequency, on the other hand, represents the number of complete cycles or oscillations that a wave completes in a given time interval, typically measured in hertz (Hz). The higher the frequency, the shorter the wavelength, and vice versa. Amplitude, on the other hand, describes the maximum displacement of a wave from its equilibrium position. It determines the intensity or strength of the wave, with greater amplitudes conveying more energy. Consequently, these three properties are interconnected; a higher frequency wave will have a shorter wavelength and can carry more energy, resulting in a larger amplitude. Understanding the relationship between wavelength, frequency, and amplitude allows us to comprehend the behavior and characteristics of various waves in different contexts.

V. Sound Waves: Pitch & Loudness Questions:

4. Look at the following two sound waves. How would you describe their frequency and amplitude in comparison to one another? Make sure to explain both of the sound waves.

Type Answer HERE:
5. At a school play in the auditorium, they decided to use 2 speakers for the audience to hear. When doing this, how does it affect the sound in the auditorium? Use the image below to support your answer.

Type Answer HERE:
6. A student was investigating the difference in wavelength of a bass guitar and a whistle. The student noticed that the frequency of the whistle was high, and the bass guitar had a low frequency. Given the students' information and the model below, what is the difference in wavelength for each instrument and explain how frequency affects the wavelength?

Type Answer HERE:

VI. Analyzing the Data:
7. The pictures show three objects.

Which of the following correctly matches the letters with the names of the objects?
Type Answer HERE:

b.
c. d.

8. The table shows the densities of four substances.

Substance
Density (grams/centimeter3)
air
0.00123
water
1.00
steel
7.87
copper
8.96

Based on this information, in which substance is the speed of sound waves likely the greatest?

Type Answer HERE:
Air
Water
Steel
Copper

9. The table shows the speed of sound in three states of matter.

Material
Speed of Sound (meters/second)
air
330
water
1,500
glass
5,100

What happens to the speed of sound as it travels through a gas and into a solid?

Type Answer HERE:
The speed increases.
The speed decreases.
The speed increases and then decreases.
The speed decreases and then increases.
10. The diagram below shows a portion of the electromagnetic spectrum.

Which of the following statements correctly explains the relationship between FM and AM radio waves?
Type Answer HERE:
FM radio waves carry less energy than AM radio waves. This is supported by the fact that FM radio waves have a shorter wavelength compared to AM radio waves.
FM radio waves carry less energy than AM radio waves. This is supported by the fact that FM radio waves have a longer wavelength compared to AM radio waves.
FM radio waves carry more energy than AM radio waves. This is supported by the fact that FM radio waves have a shorter wavelength compared to AM radio waves.
FM radio waves carry more energy than AM radio waves. This is supported by the fact that FM radio waves have a longer wavelength compared to AM radio waves.

READING & EVIDENCE IN SCIENCE
Instructions: Read the following and then complete the Reading & Evidence Table, using evidence from the text & your own research. Make sure answers use your own words.
The Electromagnetic Spectrum & Our Everyday Lives (KEEP LOOKING BELOW)

In our everyday lives, we use various applications of the electromagnetic spectrum without even realizing it! For starters, think about how we stay connected with our friends and family through our cell phones. These handy devices use radio waves to transmit our calls and messages, allowing us to communicate over long distances. Not only that, but radio waves also bring us our favorite tunes through radio stations. Moving on to something closer to home, consider how we use microwaves to heat up our food quickly and efficiently. Microwaves, a type of electromagnetic wave, vibrate water molecules in our food, generating heat and making our meals ready to eat in no time. Additionally, when it comes to our entertainment, television broadcasts rely on electromagnetic waves, like infrared and visible light, to deliver colorful images and sound to our screens. Even further, X-rays, which are another type of electromagnetic wave, help doctors see inside our bodies, aiding in diagnosing injuries or illnesses. As you can see, the applications of the electromagnetic spectrum are all around us, making our lives easier, more enjoyable, and even helping to keep us healthy!

VII. Reading & Evidence Table:

Part of Electromagnetic Spectrum
Frequency (Hz)
(Found in the Image of the Text)
Energy Level
(Put either Lowest, Low, Highest, High/
Anything above 1015 for Hz is high)
Practical Use-List 2
Radio

Microwaves

Infrared

Visible

Ultraviolet

X-Ray

Gamma Ray

Answer 1

Part of Electromagnetic Spectrum
Frequency (Hz)
(Found in the Image of the Text)
Energy Level
(Put either Lowest, Low, Highest, High/
Anything above 1015 for Hz is high)
Practical Use-List 2
Radio
900,000,000 Hz to 3,000,000,000 Hz
Low
1. Used for various communication purposes, such as radio stations and cell phone signals.
2. Used for radar systems in aviation and weather forecasting.

Microwaves
300,000,000 Hz to 300,000,000,000 Hz
High
1. Used in microwave ovens to heat up food quickly.
2. Used for wireless communication, such as Wi-Fi and satellite communication.

Infrared
300,000,000,000 Hz to 400,000,000,000,000 Hz
High
1. Used in remote controls for TVs, DVD players, etc.
2. Used in heat lamps and night vision equipment.

Visible
400,000,000,000,000 Hz to 800,000,000,000,000 Hz
High
1. Used in photography and video cameras.
2. Used in fiber optic communication and digital displays.

Ultraviolet
800,000,000,000,000 Hz to 30,000,000,000,000,000 Hz
High
1. Used for sterilizing and disinfecting surfaces and water.
2. Used in tanning beds and some medical treatments.

X-Ray
30,000,000,000,000,000 Hz to 300,000,000,000,000,000 Hz
High
1. Used in medical imaging for diagnosing injuries and illnesses.
2. Used in airport security scanners to detect hidden objects.

Gamma Ray
Above 300,000,000,000,000,000 Hz
Highest
1. Used in cancer treatment, specifically radiation therapy.
2. Used in studying nuclear reactions and the structure of atoms.