Astronomy
The Sun
Motion
Energy
Pop Culture
100
What element are stars mostly made of?
hydrogen
100
About how long is the sun's solar cycle?
11 years (10-12)
100
What are the two qualities that a vector must have?
magnitude (size) and direction
100
As a ball rolls up a hill, is potential energy increasing or decreasing
potential energy is increasing
100
Who voiced both Darth Vader (star wars) and Mufasa (lion king)?
James Earl Jones
200
What is the process that fuels stars called?
nuclear fusion
200
Which layer of the sun is nuclear fusion located in?
the core
200
What are the units of Force? Units of Gravity
N
m/s^2
200
You drop a golf ball from the top of a cliff, how does the kinetic energy and potential energy of the ball change as the ball falls?
potential energy decreases
kinetic energy increases
200
Who does Michael Scott hit on company property with a car in the show: The Office?
Meredith Palmer
300
When hydrogen fuses in stars, which element is formed?
helium, next on the PT
300
What is the trend of density in the sun? which layers are most dense? which layers are least dense?
core = most dense
surface = least dense
300
Name one scenario where two opposing forces are balanced?
many possible answers
300
A car is travelling with a velocity 100 m/s. It has a mass of 700kg. What is the kinetic energy of the ball?
3,500,000 J
300
Eminem's 8 mile is named after a street in which city?
Detroit
400
What are the two forces that keep a star at its certain size?
gravity (inward force) vs fusion (outward force)
400
What is a solar minumim and a solar maximum in terms of sun spots and the solar cycle?
solar min = lowest sunspots in the cycle
solar max = highest sunspots in the cycle
400
What is the net force on the object? (give a number and a direction)?
5 Newtons (N) right
400
A microwave sits top of a cabinet that is 3 meters tall. it has a mass of 15kg. It is on planet earth and acceleration from gravity is 9.8m/s2. What is the potential energy of your classmate?
441 Joules
400
How many times did Ross Geller get divorced in Friends?
3
500
Which type of star shown on the HR diagram would result in a supernova?
red supergiant
500
What type of star has a luminosity of 1 and a temperature of 10,000K? what is its color?
main sequence, yellow
500
What is the resulting force of an object that has a mass of 30 kg and an acceleration of 50 m/s?
1500 newtons (N)
500
A ball is rolling along the ground with a kinetic energy of 45,000 J. It has a mass of 15kg. What is the velocity of the ball?
77.45 m/s
500
Who did Forbes name as the youngest self made billionaire in 2019?
Kylie Jenner