Sounds
What determines the pitch of a sound?
The frequency of vibrations.
Where do sound vibrations enter our ears?
The outer ear.
What planet is known as the red planet?
Mars
What do all planets in the Solar System orbit?
The Sun
What unit is used to measure sound volume?
Decibels (dB)
What connects the ear and brain to interpret sound?
The auditory nerve.
Which planet is the largest in the Solar System?
Jupiter
How many days does the Moon take to orbit Earth?
Approximately 27 days
What is the name of the part of the ear that vibrates like a drum?
The eardrum.
What does the eardrum do with sound vibrations?
It amplifies the vibrations.
Which rocky planet is covered with volcanoes and yellow clouds?
Venus
What are constellations?
Groups of stars that form patterns in the sky
Name two examples of high-pitched sounds.
A whistle and a referee's whistle.
What part of the ear converts vibrations into signals sent to the brain?
The auditory nerve.
What makes Uranus different in its orbit around the Sun?
It orbits on its side
What holds the planets in their orbits around the Sun?
The Sun’s gravity