This early human invention allowed for cars and other objects to move around efficiently.
What is the wheel?
100
This is the amount of energy used per unit time.
What is power?
100
The sun's surface temperature is this. Answers within 2000 degrees will be accepted
What is 9000 degrees farenheit?
100
Electrical energy can be stored in this common object.
What are batteries?
100
If you measure race times and get 10 seconds, 15 seconds, 20 seconds and 15 seconds again, this is your average race time.
What is 15 seconds?
200
This part of the car connects the wheels to the body.
What is the axle?
200
This is where cars get energy from today.
What is petroleum or gasoline?
200
The places that gets the most sunlight are usually near this part of the world.
What is the equator or center?
200
This is the name for the flow of electrons. A big enough one through your body will kill you.
What is current?
200
This is 10^6 or 10 to the 6th power.
What is 1 million?
300
This part of the car gives it shape and form. It also holds everything together.
What is the body?
300
This term for power is used to measure the strength of an engine - it's based off the strength of a common farm animal
What is horsepower?
300
The sun produces energy through this "nuclear" process.
What is nuclear fusion?
300
Electricity can power this device in electric cars and let them move. It takes the places of engines in normal cars
What is the motor?
300
One gear has 90 teeth and another smaller one has 30 teeth. If the first one is spinning at 30 rotations per minute, the second is spinning this fast.
What is 90 rotations per minute or 3x as fast?
400
This part of the car is what gets it moving. In a US Navy ship it's a nuclear reactor. In a family car, it's the engine connected to the gas tank. In a solar car it's the solar panel.
What is the power source?
400
This is the part of a normal car that generates power. It burns gasoline to do so.
What is the engine?
400
This type of nuclear reaction is what is used in power plants on earth. It is not as powerful as fusion, and works in the opposite way - splitting atoms instead of bringing them together.
What is nuclear fission?
400
Voltage times Current equals this. The answer is in one of the category titles.
What is power?
400
If your motor operates at 10 volts and produces 5 amps of current this is how many watts of power it produces.
What is 50 watts?
500
This part of the car connects the power source to the wheels. It 'transmits' the energy.
What is the transmission?
500
This part of driving costs the most energy. Is it acceleration, maintaining speed, or braking?
What is acceleration?
500
This is the element that the sun uses for its fusion reaction to produce energy. It combines to form Helium.
What is Hydrogen?
500
This is the amount of voltage produced in US power sockets.
What is 120V?
500
The energy required to travel at a certain speed is 1/2 *mass * speed^2. if one car is going twice as fast as another it will require this many times more energy.