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10. A student puts a piece of black paper and a piece of white paper in the same sunny spot. After 30 minutes, she observes that the black paper feels warmer than the white paper. Which best explains the student's observation? (1 point)
Responses

The black paper prevents waves from the sun from reaching the white paper.
The black paper prevents waves from the sun from reaching the white paper.

The black paper receives stronger waves from the sun than the white paper.
The black paper receives stronger waves from the sun than the white paper.

The black paper absorbs more waves from the sun than the white paper.
The black paper absorbs more waves from the sun than the white paper.

The black paper reflects more waves from the sun than the white paper.
The black paper reflects more waves from the sun than the white paper.
Question 11
11. During a baseball game, the sound of the bat hitting the ball can be heard in most parts of the stadium. That sound is weaker at greater distances. What is the cause of this phenomenon? (1 point)
Responses

The sound waves slow down as they move away from the bat.
The sound waves slow down as they move away from the bat.

The sound waves can only travel through certain materials.
The sound waves can only travel through certain materials.

The sound waves are spread out over a large area.
The sound waves are spread out over a large area.

The sound waves are blocked by people in the stadium.
The sound waves are blocked by people in the stadium.
Question 12
12. Which type of waves can travel through a vacuum? (1 point)
Responses

mechanical
mechanical

sound
sound

seismic
seismic

light
light
Question 13
13. AM waves have a wavelength of approximately 100 meters. FM waves have a wavelength of approximately 1 meter. Which one has a higher frequency? Which one has a higher energy? (1 point)
Responses

AM has a higher frequency, but FM is higher energy
AM has a higher frequency, but FM is higher energy

AM has a higher frequency and higher energy
AM has a higher frequency and higher energy

FM has a higher frequency and higher energy
FM has a higher frequency and higher energy

FM has a higher frequency, but AM is higher energy

All Answers 1

Answered by GPT-5 mini AI
10. The black paper absorbs more waves from the sun than the white paper.

11. The sound waves are spread out over a large area.

12. light

13. FM has a higher frequency and higher energy