Free Fall
What is Free Fall?
What is an object falling due to a planet's gravity?
What is the quietest sound a human can hear called?
What is the Threshold of Hearing?
What is the Weight Equation?
Weight = Mass x Gravity
What are the Three units of Temperature?
What is Celsius, Fahrenheit, and Kelvin?
What are all of the types of waves on the Electromagnetic Spectrum of Light?
What are Radiowaves, Microwaves, Infared(IR), Visible, Ultraviolet(UV), XRays, and Gamma Rays?
a 550 gram weight
a 1 gram Feather
Both objects will land at the same time in a vacuum.
When does a sound wave have a high pitch?
A: When the wave has a low frequency.
B: When the wave has a high frequency.
C: Frequency doesn't have an effect on pitch.
B: When the wave has a high frequency.
What is the Equation for Mechanical Energy?
Mechanical Energy = Potential Energy + Kinetic Energy
What is Absolute Zero?
What is 0 Kelvin or -273°C?
What is a Photon?
What is a particle of light that has the properties of a wave?
True or False: Earth's Free Fall Rate is about 10 m/s
True
True or False: Sound NEEDS a Medium to travel.
True
What is the Equation for Acceleration?
Acceleration = (Velocity(final) - Velocity(Initial))/Time
What are the three ways heat transfers?
What is the Speed of Light?
What is 186,000 Miles/Second or 300,000 Kilometers/Second?
True or False: An object's speed is increasing when it is thrown up into the air.
False
What is the hearing range for humans?
What is 20 - 20,000 Hz?
What is the Efficiency Equation?
eff(%) = (Output Energy/Input Energy) x 100%
True or False: Heat transfers from Coldest to Warmest.
False
What are all of the colors of Visible Light?
What is Red, Orange, Yellow, Green, Blue, Violet?
When graphing an object's position/time when thrown up into the air, what is the shape of the graph called?
What is a parabola?
What is a wave phenomenon that causes a higher pitch when it is moving towards an observer, and a lower pitch when moving away from an observer?
What is the equation to convert Celsius to Fahrenheit?
°F = ((9/5) x °C) + 32
What is Thermal Expansion?
What is substances expanding when being heated, and contracting when being cooled?
Which of the following waves has the shortest wavelength/highest frequency?
A: Ultraviolet(UV)
B: Yellow Light on the Visible Light Spectrum
C: X-Rays
D: Infrared(IR)
C: X-Rays