This 2-part simple machine made human transfer possible
What are a wheel and axle?
Thanks to chemical engineers you can drink your recommended 8 glasses per day of this liquid
What is water?
The substance flowing through the wires of a circuit.
What is Current?
The boiling temperature of water.
What is 100 degrees Celsius or 212 degrees Fahrenheit?
This alloy of iron and carbon was the precursor to many later mechanical engineering marvels
What is steel?
This non-Newtonian fluid is best known for its pairing with french fries
What is ketchup?
This device opens and closes an electric circuit
What is a switch?
Lift, drag, thrust, and weight
What are the 4 forces of flight?
This playground ride is an example of this simple machine

What is a lever?
The majority of this synthetic product was made for packing materials such as bubble wrap, packing peanuts and water bottles.
What is plastic?
This "color" energy is produced with little-to-no environmental impact and does not dispense greenhouse gases into the air
What is green?
The name for 4 bits of information to a computer. Hint: 8 bits is called a byte.
What is a nibble?
The force pulling down on objects.
What is a gravity?
A measure of the amount of matter.
What is Mass?
Copper, lithium, zinc and nickel are common metals in this "Energizing" energy source
What is a battery?
The Egyptians constructed more than 100 of these with the Great one taking 23 years to build
What are pyramids?
This simple machine enables us to raise the flag up a pole

What is a pulley? (fixed)
The 3 states of matter
What are liquid, solid and gas?
Any material can conduct an electric current but these materials do not allow a current to flow very easily
What is an insulator?
Equation for Newton's second law
F = m*a
He introduced letterpress printing to Europe with his movable-type printing press.
Who is Johannes Gutenberg?
The 3 forms of heat transfer
What are conduction, convection, and radiation?
A complete path of electrical energy
What is a circuit?
It was the Persians not the Dutch who invented this energy-producing machine to grind grain
What is a windmill?
This simple machine causes this classic teacup ride at Disneyland to spin

What are gears?
The measure of a substance's ability to dissolve in liquid, especially water
What is solubility?
These are tiny, negatively charged particles
What are electrons?
Land is taken away by water, ice, wind, or gravity.
What is erosion?
The force preventing objects from continuing to move forever when pushed.
What is Friction?
The primary ingredient in plastics
What are polymers?
Atoms are made up of Neutrons, ________, and Electrons.
What are Protons?
The ends of a magnet.
What are poles?