EM I: Waves

Multiple Choice

What element in the third period has the smallest atomic radius? 

• Argon (Ar)

• Aluminum (Al

• Chlorine (Cl)
• Sodium (Na)

Reorder

Reorder the following elements in order of decreasing electronegativity: He, F, C, Be

• F

• C

• Be

• He

1

2

3

4

• 1
• 2
• 3
• 4

Multiple Choice

What is the element with the highest electronegativity value?

• Cesium

• Sulfur

• Calcium

• Fluorine

Reorder

Reorder the following elements in order of increasing atomic radius: F, H, Sr, Fr

• H

• F

• Sr

• Fr

1

2

3

4

• 1
• 2
• 3
• 4

Multiple Choice

Which of the following best describes the wave description of light?

• Light behaves as a continuous stream of particles.

• Light can be described as oscillating electric and magnetic fields.

• Light only travels in straight lines.

• Light does not interact with matter.

Open Ended

Why is understanding the emission spectrum of light important in science and technology?

Multiple Choice

Which of the following is NOT an example of electromagnetic radiation?

• Sound waves

• UV radiation

• Visible light

• Infrared

Multiple Choice

Which of the following types of electromagnetic radiation has the shortest wavelength?

• Radio waves

• Microwaves

• Ultraviolet

• Gamma rays

Drag and Drop

Radio waves have the ​

Placeholder

wavelength and the ​

Placeholder

energy among all types of electromagnetic radiation.

Drag these tiles and drop them in the correct blank above

longest

Lowest

Shortest

Highest

Multiple Select

Which of the following statements about microwaves is/are correct?

• They have low vibrational frequency.

• They have the highest energy in the electromagnetic spectrum.

• They have shorter wavelengths than radio waves.

Open Ended

Explain how we utilize our knowledge of electromagnetic radiation in real-world applications.

Multiple Select

Which of the following statements about X-rays are correct?

• They have high frequency.

• They cause ionization.

• They have the longest wavelength.

• They can penetrate materials like paper and aluminum foil.

Multiple Choice

Which type of electromagnetic radiation has the highest frequency?

• Infrared

• Visible light

• UV

• Gamma rays

Fill in the Blanks

A photon is a particle of electromagnetic radiation with

mass.

Multiple Choice

What is the speed of light in a vacuum?

• 3.00 × 10^6 m/s

• 3.00 × 10^8 m/s

• 3.00 × 10^10 m/s

• 3.00 × 10^12 m/s

Multiple Choice

What does the wavelength (λ) of a wave represent?

• The height of the wave from crest to trough

• The distance between corresponding points on adjacent waves

• The speed of the wave

• The frequency of the wave

Multiple Choice

Which of the following statements best describes the relationship between wavelength and frequency as shown in the diagrams?

• As wavelength increases, frequency increases.

• As wavelength decreases, frequency decreases.

• As wavelength increases, frequency decreases.

• Wavelength and frequency are not related.

Open Ended

After learning about the emission spectrum, what is one question you still have or something you would like to explore further about light?

Open Ended

Explain how the speed of light is related to wavelength and frequency, and provide the formula that connects these quantities.

Multiple Choice

What are the three main parts covered in the study of the emission spectrum as shown in the lesson outline?

• The Wave Description of Light, The Particle of Light, Principal Energy Levels (PEL)

• The Reflection of Light, The Refraction of Light, The Absorption of Light

• The Color Spectrum, The Sound Spectrum, The Heat Spectrum

• The Chemical Properties of Light, The Physical Properties of Light, The Biological Effects of Light