Medical Imaging
Give an example of a medical imaging technique that is not an x ray
MRI, CT, PET, Ultrasound
During the experiment, what did most groups use their newspaper to build?
A parachute
What is electricity?
A form of energy
What is bigger, the Earth or the Sun?
Sun
What were some of the important Physics concepts when building the car?
Weight, aerodynamics, wheels, power
When you are getting an x-ray, why does the radiographer sit behind a scree?
To protect themselves from radiation
Name one Physics/Mechanics concept involved in the egg drop
Gravity, acceleration, air resistance, shock absorption, mass
What are the two types of charges involved with electricity?
Positive and negative charges
What is the speed of light? (in km/s or m/s)
300,000 km/s or 3x108 m/s
Why were the size of the wheels so important?
The bigger the body of the car, the bigger the wheels needed to be
What does MRI stand for?
Magnetic Resonance Imaging
How did we increase the air resistance?
Increase surface area of parachute
True or false: If you increase the length of an electric circuit that has a bulb in it, the light of the bulb will get dimmer
False
What is a black hole?
An object so dense that light cannot escape it.
What is thrust?
A force generated by accelerating a mass of gas
What is the radiation dose limit for a human adult per year? (Hint: units are m/sv)
1 m/sv
What was the force acting in the opposite direction to gravity?
Air resistance
What does it mean if a circuit is connected in parallel?
There is more than one path for current to flow through.
What is a Schwarzschild radius?
The size something needs to be for it to turn into a black hole
What could we have used for wheels instead of cardboard?
Bottle caps, CDs
What does PET stand for?
Proton Emission Tomography.
What is the value of acceleration due to gravity? (Hint: units are in metres per second squared)
9.8 m/s2
What does LED stand for?
Light Emitting Diode
In the Evacuate Earth activity, which planet was most suitable to send the human population if Earth was destroyed?
Kepler-186f
In the video I showed of the rocket-testing, what was the name of the company who owned the rocket?
SpaceX