Question

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What medium does sound travel through slowest?

Question 1 options:

gas


trees


liquid


solid

Question 2 (3 points)

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Which item will sound travel faster through if each medium is at 20 degrees Celsius?

Question 2 options:

aluminum


dry air


water

Question 3 (3 points)

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A plane is flying overhead. Will a person on the ground hear the airplane sooner on a cold day or a warm day and why?

The sound will travel faster on a cold day because the air particles have more kinetic energy and are closer together.
The sound will travel faster on a warm day because the air particles have more kinetic energy and are moving faster.
The sound will travel faster on a cold day because the air particles have more potential energy and are closer together.
The sound will travel faster on a warm day because the air particles have more potential energy and are moving faster.
Question 3 options:

1


2


3


4

Question 4 (3 points)

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Why is sound able to travel faster through a solid than a gas?

Question 4 options:

Solid molecules are packed tightly.


Gas molecules move slowly.


Gas molecules are packed tightly.


Sound does not travel faster through a solid than a gas.

Question 5 (3 points)

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Sound is caused by....

Question 5 options:

molecules


space


people


vibrations

Answer 1

Here are the answers to your questions based on the principles of sound:

**Question 1:**
What medium does sound travel through slowest?
**Answer:** gas

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**Question 2:**
Which item will sound travel faster through if each medium is at 20 degrees Celsius?
**Answer:** aluminum

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**Question 3:**
A plane is flying overhead. Will a person on the ground hear the airplane sooner on a cold day or a warm day and why?
**Answer:** The sound will travel faster on a warm day because the air particles have more kinetic energy and are moving faster.
(Option 2)

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**Question 4:**
Why is sound able to travel faster through a solid than a gas?
**Answer:** Solid molecules are packed tightly.

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**Question 5:**
Sound is caused by....
**Answer:** vibrations

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Let me know if you need any additional information!