Show:
Earth & Moon
Seasons
Scientific Vocabulary
Scientific Variables
Changing Sounds
100
How many days does it take for the Earth to complete one full orbit of the Sun?
365 1/4
100
Which hemisphere is now in Spring?
Southern Hemisphere
100
What is the scientific term for 'go around' when talking about planets?
Orbit
100
Which variable describes the one thing that changes in a fair test?
Independent variable
100
What are all sounds produced by?
Vibrations
200
How many days are there in 1 lunar month?
29.5
200
When the Northern Hemisphere is pointed away from the Sun, which season is the Southern Hemisphere in?
Summer
200
Which word do we use in place of 'spinning' when referring to the movements of planets?
Rotate
200
Which variable describes what stays the same in a fair test?
Controlled variables
200
How are the sounds different with tuning forks of various sizes?
Larger forks produce lower sounds and smaller forks produce higher sounds.
300
How many days does it take for the Moon to orbit the Earth once?
27.3 days
300
What is the name of the 2 days of year when day and night lengths are nearly the same?
Spring and Autumn Equinox
300
What is the term given for how loud or soft a sound is?
Volume
300
Which variable is what you measure/observe? (i.e. the outcome)
The dependent variable
300
What are the names of the 3 bones in your middle ear?
Hammer, anvil and stirrup
400
Which moon phase comes after a Waning Gibbous moon?
Last Quarter
400
During which season do we have the longest shadows?
Winter
400
What is the term for how high or low a sound is?
Pitch
400
If you were testing to see whether marble weight would affect the distance it travels after being rolled down a ramp, what would be your independent variable?
The size/weight of the marble
400
Describe how sound travels once it reaches the inner ear? What does it travel through and where does it end up?
It passes through the fluid in the cochlea and vibrates the cilia, which send nerve signals to the brain.
500
What is a lunar eclipse?
This occurs when the moon passes directly behind the Earth.
500
Why do we have seasons?
We have seasons because the Earth is on a tilted axis as it orbits the Sun.
500
What is the correct term for the outer ear?
Pinna or Auricle
500
If you were testing to see whether marble weight would affect the distance it travels after being rolled down a ramp, what would be 3 controlled variables?
The height and material of the ramp used, the material for the marble, the location tested, the force with which you roll it, etc.
500
What state of matter does sound travel through best and why?
Solids because their molecules are closest together