Practice Vacuum Myth Busting (2.2) - Chapter 7 : Sound

Practise this section

8 questions

Flashcard drill
2 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
Sign up to start the exercise
Quiz
2 questions · about 1 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
What does sound need to travel?
Show hintHide hint
Think about solids, liquids, and gases.
Question 2.
Can sound travel in a vacuum?
Show hintHide hint
Consider outer space.
3Question 3.
Why can’t sound travel in space?
- It needs a medium
- It travels faster in space
- It is blocked by stars
Show hintHide hint
Think about what sound needs to travel.
4Question 4.
True or False: You can hear an explosion in a vacuum.
- True
- False
Show hintHide hint
Consider the conditions of space.
Question 5.
Consider a spaceship idling close to a planet's atmosphere. Discuss the differences in how sound is communicated between inside the ship and outside in space.
Show hintHide hint
Think about mediums present and absent.
Question 6.
Evaluate how sound in different environments (under water, in air, and in outer space) affects the perceived loudness of an event.
Show hintHide hint
Consider the properties of sound in relation to mediums.

4 more questions in this section. Enroll free to practise them all.